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1. Under isothermal condition, a gas at 300 K expands from 0.1 L to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is
Wrong
Score: 0 / 4
(Given that 1 L bar = 100 J)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | –30 J | |
![]() | ![]() | 5 kJ | |
![]() | ![]() | 25 J | |
![]() | ![]() | 30 J |
2. A compound is formed by cation C and anion A. The anions form hexagonal close packed (hcp) lattice and the cations occupy 75% of octahedral voids. The formula of the compound is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | C2A3 | |
![]() | ![]() | C3A2 | |
![]() | ![]() | C3A4 | |
![]() | ![]() | C4A3 |
3. pH of a saturated solution of
Wrong
Score: 0 / 4
Ca(OH)2 is 9. The solubility product (Ksp) of Ca(OH)2 is:
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 0.5 × 10–15 | |
![]() | ![]() | 0.25 × 10–10 | |
![]() | ![]() | 0.125 × 10–15 | |
![]() | ![]() | 0.5 × 10–10 |
4. The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber's process is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 10 | |
![]() | ![]() | 20 | |
![]() | ![]() | 30 | |
![]() | ![]() | 40 |
5. For an ideal solution, the correct option is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | `Delta_"mix"`S = 0 at constant T and P | |
![]() | ![]() | `Delta_"mix"`V `!=` 0 at constant T and P | |
![]() | ![]() | `Delta_"mix"`H = 0 at constant T and P | |
![]() | ![]() | `Delta_"mix"`G = 0 at constant T and P |
6. For a cell involving one electron
Wrong
Score: 0 / 4
E°cell = 0.59 Vat 298 K, the equilibrium constant for the cell reaction is :
`["Given that" (2.303RT)/F=0.059" V at T = 298 K"]`
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 1.0 × 102 | |
![]() | ![]() | 1.0 × 105 | |
![]() | ![]() | 1.0 × 1010 | |
![]() | ![]() | 1.0 × 1030 |
7. Among the following, the one that is not a green house gas is
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Nitrous oxide | |
![]() | ![]() | Methane | |
![]() | ![]() | Ozone | |
![]() | ![]() | Sulphur dioxide |
8. The number of
Wrong
Score: 0 / 4
sigma (`sigma`) and pi (`pi`) bonds in pent-2-en-4-yne is
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 10 `sigma` bonds and 3 `pi` bonds | |
![]() | ![]() | 8 `sigma` bonds and 5 `pi` bonds | |
![]() | ![]() | 11 `sigma` bonds and 2 `pi` bonds | |
![]() | ![]() | 13 `sigma` bonds and no `pi` bonds |
9. Which of the following diatomic molecular species has only
Wrong
Score: 0 / 4
`pi` bonds according to Molecular Orbital Theory?
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | O2 | |
![]() | ![]() | N2 | |
![]() | ![]() | C2 | |
![]() | ![]() | Be2 |
10. Which of the following reactions are disproportionation reaction?
Wrong
Score: 0 / 4
2Cu+ Cu2+ + Cu0
`3M"n"O_4^"2-" + 4H^+` `2M"n"O_4^"-" + M"n"O_2 + 2H_2O`
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (a) and (b) only | |
![]() | ![]() | (a), (b) and (c) | |
![]() | ![]() | (a), (c) and (d) | |
![]() | ![]() | (a) and (d) only |
11. Among the following, the narrow spectrum antibiotic is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Penicillin G | |
![]() | ![]() | Ampicillin | |
![]() | ![]() | Amoxycillin | |
![]() | ![]() | Chloramphenicol |
12. The correct order of the basic strength of methyl substituted amines in aqueous solution is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (CH3)2NH > CH3NH2 > (CH3)3N | |
![]() | ![]() | (CH3)3N > CH3NH2 > (CH3)2NH | |
![]() | ![]() | (CH3)3N > (CH3)2NH > CH3NH2 | |
![]() | ![]() | CH3NH2 > (CH3)2NH > (CH3)3N |
13. Which mixture of the solutions will lead to the formation of negatively charged colloidal
Wrong
Score: 0 / 4
[Agl]l– sol ?
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 50 mL of 1 M AgNO3 + 50 mL of 1.5 M KI | |
![]() | ![]() | 50 mL of 1 M AgNO3 + 50 mL of 2 M KI | |
![]() | ![]() | 50 mL of 2 M AgNO3 + 50 mL of 1.5 M KI | |
![]() | ![]() | 50 mL of 0.1 M AgNO3 + 50 mL of 0.1 M KI |
14. Conjugate base for
Wrong
Score: 0 / 4
acids H2O and HF are :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | OH– and H2F+, respectively | |
![]() | ![]() | H3O+ and F–, respectively | |
![]() | ![]() | OH– and F–, respectively | |
![]() | ![]() | H3O+ and H2F+, respectively |
15. Which will make basic buffer?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 50 mL of 0.1 M NaOH + 25 mL of 0.1 MCH3COOH | |
![]() | ![]() | 100 mL of 0.1 M CH3COOH + 100 mL of 0.1 MNaOH | |
![]() | ![]() | 100 mL of 0.1 M HCl + 200 mL of 0.1 MNH4OH | |
![]() | ![]() | 100 mL of 0.1 M HCl + 100 mL of 0.1 MNaOH |
16. The compound that is most difficult to protonate is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() |
17. The most suitable reagent for the following conversion, is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Na/liquid NH3 | |
![]() | ![]() | H2, Pd/C, quinoline | |
![]() | ![]() | Zn/HCl | |
![]() | ![]() | Hg2+/H+, H2O |
18. Which of the following species is not stable?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | [SiF6]2– | |
![]() | ![]() | [GeCl6]2– | |
![]() | ![]() | [Sn(OH)6]2– | |
![]() | ![]() | [SiCl6]2– |
19. Which of the following is an amphoteric hydroxide?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Sr(OH)2 | |
![]() | ![]() | Ca(OH)2 | |
![]() | ![]() | Mg(OH)2 | |
![]() | ![]() | Be(OH)2 |
20. The structure of intermediate A in the following reaction, is
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() |
21. The manganate and permanganate ions are tetrahedral, due to :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | The `pi`-bonding involves overlap of p-orbitals of oxygen with d-orbitals of manganese | |
![]() | ![]() | There is no `pi`-bonding | |
![]() | ![]() | The `pi`-bonding involves overlap of p-orbitals of oxygen with p-orbitals of manganese | |
![]() | ![]() | The `pi`-bonding involves overlap of d-orbitals of oxygen with d-orbitals of manganese |
22. For the second period elements the correct increasing order of first ionisation enthalpy is:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Li < Be < B < C < N < O < F < Ne | |
![]() | ![]() | Li < B < Be < C < O < N < F < Ne | |
![]() | ![]() | Li < B < Be < C < N < O < F < Ne | |
![]() | ![]() | Li < Be < B < C < O < N < F < Ne |
23. If the rate constant for a first order reaction is k, the time (t) required for the completion of 99% of the reaction is given by:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | t = 0.693/k | |
![]() | ![]() | t = 6.909/k | |
![]() | ![]() | t = 4.606/k | |
![]() | ![]() | t = 2.303/k |
24. Identify the incorrect statement related to
Wrong
Score: 0 / 4
PCl5 from the following:
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Three equatorial P–Cl bonds make an angle of 120° with each other | |
![]() | ![]() | Two axial P–Cl bonds make an angle of 180° with each other | |
![]() | ![]() | Axial P–Cl bonds are longer than equatorial P–Cl bonds | |
![]() | ![]() | PCl5 molecule is non-reactive |
25. 4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 5f > 6p > 5p > 4d | |
![]() | ![]() | 6p > 5f > 5p > 4d | |
![]() | ![]() | 6p > 5f > 4d > 5p | |
![]() | ![]() | 5f > 6p > 4d > 5p |
26. The biodegradable polymer is:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Nylon-6,6 | |
![]() | ![]() | Nylon-2-Nylon 6 | |
![]() | ![]() | Nylon-6 | |
![]() | ![]() | Buna-S |
27. Match the Xenon compounds in Column-I with its structure in Column-II and assign the correct code:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (i) (ii) (iii) (iv) | |
![]() | ![]() | (ii) (iii) (iv) (i) | |
![]() | ![]() | (ii) (iii) (i) (iv) | |
![]() | ![]() | (iii) (iv) (i) (ii) |
28. Which is the correct thermal stability order for
Wrong
Score: 0 / 4
H2E (E = O, S, Se, Te and Po)?
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | H2S < H2O < H2Se < H2Te < H2Po | |
![]() | ![]() | H2O < H2S < H2Se < H2Te < H2Po | |
![]() | ![]() | H2Po < H2Te < H2Se < H2S < H2O | |
![]() | ![]() | H2Se < H2Te < H2Po < H2O < H2S |
29. The correct structure of tribromooctaoxide is
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() |
30. An alkene "A" on reaction with
Wrong
Score: 0 / 4
O3 and Zn–H2O gives propanone and ethanal in equimolar ratio. Addition of HCl to alkene "A" gives "B" as the major product. The structure of product "B" is:
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() |
31. Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Be | |
![]() | ![]() | Mg | |
![]() | ![]() | Ca | |
![]() | ![]() | Sr |
32. Which one is malachite from the following?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | CuFeS2 | |
![]() | ![]() | Cu(OH)2 | |
![]() | ![]() | Fe3O4 | |
![]() | ![]() | CuCO3.Cu(OH)2 |
33. Which of the following series of transitions in the spectrum of hydrogen atom fall in visible region?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Lyman series | |
![]() | ![]() | Balmer series | |
![]() | ![]() | Paschen series | |
![]() | ![]() | Brackett series |
34. The mixture that forms maximum boiling azeotrope is:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Water + Nitric acid | |
![]() | ![]() | Ethanol + Water | |
![]() | ![]() | Acetone + Carbon disulphide | |
![]() | ![]() | Heptane + Octane |
35. For the cell reaction
Wrong
Score: 0 / 4
`2Fe^"3+" (aq)+2I^"-"(aq)-> 2Fe^"2+" (aq)+I_2 (aq)`
`E_"Cell"^Theta`=0.24 V at 298 K. The standard Gibbs
energy `(Delta_rG^Theta)` of the cell reaction is :
[Given that Faraday constant F = 96500 C mol-1]
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | – 46.32 kJ mol–1 | |
![]() | ![]() | – 23.16 kJ mol–1 | |
![]() | ![]() | 46.32 kJ mol–1 | |
![]() | ![]() | 23.16 kJ mol–1 |
36. In which case change in entropy is negative?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Evaporation of water | |
![]() | ![]() | Expansion of a gas at constant temperature | |
![]() | ![]() | Sublimation of solid to gas | |
![]() | ![]() | 2H(g) `->` H2(g) |
37. Match the following :
Wrong
Score: 0 / 4
(a) Pure nitrogen (i) Chlorine
(b) Haber process (ii) Sulphuric acid
(c) Contact process (iii) Ammonia
(d) Deacon’s process (iv) Sodium azide or Barium azide
Which of the following is the correct option?
(a) (b) (c) (d)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (i) (ii) (iii) (iv) | |
![]() | ![]() | (ii) (iv) (i) (iii) | |
![]() | ![]() | (iii) (iv) (ii) (i) | |
![]() | ![]() | (iv) (iii) (ii) (i) |
38. Which of the following is incorrect statement?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | PbF4 is covalent in nature | |
![]() | ![]() | SiCl4 is easily hydrolysed | |
![]() | ![]() | GeX4(X = F, Cl, Br, I) is more stable than GeX2 | |
![]() | ![]() | SnF4 is ionic in nature |
39. The non-essential amino acid among the following is:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Valine | |
![]() | ![]() | Leucine | |
![]() | ![]() | Alanine | |
![]() | ![]() | Lysine |
40. A gas at 350 K and 15 bar has molar volume 20 percent smaller than that for an ideal gas under the same conditions. The correct option about the gas and its compressibility factor (Z) is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Z > 1 and attractive forces are dominant | |
![]() | ![]() | Z > 1 and repulsive forces are dominant | |
![]() | ![]() | Z < 1 and attractive forces are dominant | |
![]() | ![]() | Z < 1 and repulsive forces are dominant |
41. Among the following, the reaction that proceeds through an electrophilic substitution, is:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() |
42. The major product of the following reaction is:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() |
43. For the chemical reaction
Wrong
Score: 0 / 4
`N_2(g)+3H_2(g)``2NH_3(g)`
The correct option is:
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | `-1/3("d"[H_2])/("dt")=-(1)/(2)("d"[NH_3])/("dt")` | |
![]() | ![]() | `-("d"[N_2])/("dt")=2("d"[NH_3])/("dt")` | |
![]() | ![]() | `-("d"[N_2])/("dt")=(1)/(2)("d"[NH_3])/("dt")` | |
![]() | ![]() | `3("d"[H_2])/("dt")=2("d"[NH_3])/("dt")` |
44. What is the correct electronic configuration of the central atom in
Wrong
Score: 0 / 4
K4 [Fe(CN)6] based on crystal field theory?
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | `t_"2g"^4e_"g"^2` | |
![]() | ![]() | `t_"2g"^6e_"g"^0` | |
![]() | ![]() | `e^3t_"2"^3` | |
![]() | ![]() | `e^4t_"2"^2` |
45. The method used to remove temporary hardness of water is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Calgon's method | |
![]() | ![]() | Clark's method | |
![]() | ![]() | Ion-exchange method | |
![]() | ![]() | Synthetic resins method |
46. In which of the following processes, heat is neither absorbed nor released by a system?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Isothermal | |
![]() | ![]() | Adiabatic | |
![]() | ![]() | Isobaric | |
![]() | ![]() | Isochoric |
47. Increase in temperature of a gas filled in a container would lead to :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Increase in its mass | |
![]() | ![]() | Increase in its kinetic energy | |
![]() | ![]() | Decrease in its pressure | |
![]() | ![]() | Decrease in intermolecular distance |
48. The total energy of an electron in an atom in an orbit is –3.4 eV. Its kinetic and potential energies are, respectively:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | –3.4 eV, –3.4 eV | |
![]() | ![]() | –3.4 eV, –6.8 eV | |
![]() | ![]() | 3.4 eV, –6.8 eV | |
![]() | ![]() | 3.4 eV, 3.4 eV |
49.
Wrong
Score: 0 / 4
The correct Boolean operation represented by the circuit diagram drawn is :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | AND | |
![]() | ![]() | OR | |
![]() | ![]() | NAND | |
![]() | ![]() | NOR |
50. A block of mass 10 kg is in contact against the inner wall of a hollow cylindrical drum of radius 1 m. The coefficient of friction between the block and the inner wall of the cylinder is 0.1. The minimum angular velocity needed for the cylinder to keep the block stationary when the cylinder is vertical and rotating about its axis, will be :
Wrong
Score: 0 / 4
(g 10 m/s2)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | `sqrt(10) " rad/s"` | |
![]() | ![]() | `10/(2pi)" rad/s"` | |
![]() | ![]() | 10 rad/s | |
![]() | ![]() | `10pi " rad/s"` |
51. Body A of mass 4m moving with speed u collides with another body B of mass 2m, at rest. The collision is head on and elastic in nature. After the collision the fraction of energy lost by the colliding body A is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | `1/9` | |
![]() | ![]() | `8/9` | |
![]() | ![]() | `4/9` | |
![]() | ![]() | `5/9` |
52. The speed of a swimmer in still water is 20 m/s. The speed of river water is 10 m/s and is flowing due east. If he is standing on the south bank and wishes to cross the river along the shortest path, the angle at which he should make his strokes w.r.t. north is given by :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 30° west | |
![]() | ![]() | 0° | |
![]() | ![]() | 60° west | |
![]() | ![]() | 45° west |
53. A mass m is attached to a thin wire and whirled in a vertical circle. The wire is most likely to break when:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | The mass is at the highest point | |
![]() | ![]() | The wire is horizontal | |
![]() | ![]() | The mass is at the lowest point | |
![]() | ![]() | Inclined at an angle of 60° from vertical |
54. The displacement of a particle executing simple harmonic motion is given by
Wrong
Score: 0 / 4
y = A0 + Asin`w`t + Bcos`w`t
Then the amplitude of its oscillation is given by :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | `A_0+sqrt(A^2+B^2)` | |
![]() | ![]() | `sqrt(A^2+B^2)` | |
![]() | ![]() | `sqrt(A_0^2+(A^2+B^2))` | |
![]() | ![]() | A+B |
55. A 800 turn coil of effective area 0.05
Wrong
Score: 0 / 4
m2 is kept perpendicular to a magnetic field 5 × 10–5 T. When the plane of the coil is rotated by 90° around any of its coplanar axis in 0.1 s, the emf induced in the coil will be:
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 2 V | |
![]() | ![]() | 0.2 V | |
![]() | ![]() | 2 × 10–3 V | |
![]() | ![]() | 0.02 V |
56. Average velocity of a particle executing SHM in one complete vibration is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | `(Aw)/2` | |
![]() | ![]() | `Aw` | |
![]() | ![]() | `(Aw^2)/2` | |
![]() | ![]() | Zero |
57. A soap bubble, having radius of 1 mm, is blown from a detergent solution having a surface tension
Wrong
Score: 0 / 4
of 2.5 × 10–2 N/m. The pressure inside the bubble equals at a point Z0 below the free surface of water in a container. Taking g = 10 m/s2, density of water = 103 kg/m3, the value of Z0 is :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 100 cm | |
![]() | ![]() | 10 cm | |
![]() | ![]() | 1 cm | |
![]() | ![]() | 0.5 cm |
58. A copper rod of 88 cm and an aluminium rod of unknown length have their increase in length independent of increase in temperature. The length of aluminium rod is :
Wrong
Score: 0 / 4
(`alpha_"cu"``alpha_"cu"` = 1.7 × 10–5 K–1 and `alpha_"AI"``alpha_"AI"` = 2.2 × 10–5 K–1)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 6.8 cm | |
![]() | ![]() | 113.9 cm | |
![]() | ![]() | 88 cm | |
![]() | ![]() | 68 cm |
59. The unit of thermal conductivity is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | J m K–1 | |
![]() | ![]() | J m–1 K–1 | |
![]() | ![]() | W m K–1 | |
![]() | ![]() | W m–1 K–1 |
60. When a block of mass M is suspended by a long wire of length L, the length of the wire becomes (L + l). The elastic potential energy stored in the extended wire is :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Mgl | |
![]() | ![]() | MgL | |
![]() | ![]() | `1/2Mgl ` | |
![]() | ![]() | `1/2MgL` |
61. A disc of radius 2 m and mass 100 kg rolls on a horizontal floor. Its centre of mass has speed of 20 cm/s. How much work is needed to stop it?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 3 J | |
![]() | ![]() | 30 kJ | |
![]() | ![]() | 2 J | |
![]() | ![]() | 1 J |
62. In an experiment, the percentage of error occurred in the measurement of physical quantities A, B, C and D are 1%, 2%, 3% and 4% respectively. Then the maximum percentage of error in the measurement X, where
Wrong
Score: 0 / 4
`X=(A^2B^"1/2")/(C^"1/3"D^3)` will be
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | `(3/13)%` | |
![]() | ![]() | 16% | |
![]() | ![]() | -10% | |
![]() | ![]() | 10% |
63. A body weighs 200 N on the surface of the earth. How much will it weigh half way down to the centre of the earth ?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 150 N | |
![]() | ![]() | 200 N | |
![]() | ![]() | 250 N | |
![]() | ![]() | 100 N |
64. Which colour of the light has the longest wavelength?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Red | |
![]() | ![]() | Blue | |
![]() | ![]() | Green | |
![]() | ![]() | Violet |
65. A solid cylinder of mass 2 kg and radius 4 cm is rotating about its axis at the rate of 3 rpm. The torque required to stop
Wrong
Score: 0 / 4
after 2`pi` revolutions is
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | × 10–6 N m | |
![]() | ![]() | 2 × 10–3 N m | |
![]() | ![]() | 12 × 10–4 N m | |
![]() | ![]() | 2 × 106 N m |
66. The radius of circle, the period of revolution, initial position and sense of revolution are indicated in the fig.
Wrong
Score: 0 / 4
y - projection of the radius vector of rotating particle P is :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | y(t) = –3 cos2`pi`t, where y in m | |
![]() | ![]() | y(t) 4sin`((pi"t")/(2)),`where y in m | |
![]() | ![]() | y(t) 3cos`((3pi"t")/(2)),`where y in m | |
![]() | ![]() | y(t) 3cos`((pi"t")/(2)),`where y in m |
67. A hollow metal sphere of radius R is uniformly charged. The electric field due to the sphere at a distance r from the centre
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Increases as r increases for r < R and for r > R | |
![]() | ![]() | Zero as r increases for r < R, decreases as r increases for r > R | |
![]() | ![]() | Zero as r increases for r < R, increases as r increases for r > R | |
![]() | ![]() | Decreases as r increases for r < R and for r > R |
68. In which of the following devices, the eddy current effect is not used?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Induction furnace | |
![]() | ![]() | Magnetic braking in train | |
![]() | ![]() | Electromagnet | |
![]() | ![]() | Electric heater |
69. Six similar bulbs are connected as shown in the figure with a DC source of emf E and zero internal resistance.
Wrong
Score: 0 / 4
The ratio of power consumption by the bulbs when (i) all are glowing and (ii) in the situation when two from section A and one from section B are glowing, will be :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 4 : 9 | |
![]() | ![]() | 9 : 4 | |
![]() | ![]() | 1 : 2 | |
![]() | ![]() | 2 : 1 |
70. At a point A on the earth’s surface the angle of dip,
Wrong
Score: 0 / 4
`delta` = +25°. At a point B on the earth’s surface the angle of dip, `delta` = –25°. We can interpret that:
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | A and B are both located in the northern hemisphere. | |
![]() | ![]() | A is located in the southern hemisphere and B is located in the northern hemisphere. | |
![]() | ![]() | A is located in the northern hemisphere and B is located in the southern hemisphere. | |
![]() | ![]() | A and B are both located in the southern hemisphere. |
71. A force F = 20 + 10 y acts on a particle in ydirection where F is in newton and y in meter. Work done by this force to move the particle from y = 0 to y = 1 m is
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 30 J | |
![]() | ![]() | 5 J | |
![]() | ![]() | 25 J | |
![]() | ![]() | 20 J |
72. Pick the wrong answer in the context with rainbow.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | When the light rays undergo two internal reflections in a water drop, a secondary rainbow is formed | |
![]() | ![]() | The order of colours is reversed in the secondary rainbow | |
![]() | ![]() | An observer can see a rainbow when his front is towards the sun | |
![]() | ![]() | Rainbow is a combined effect of dispersion refraction and reflection of sunlight |
73. A cylindrical conductor of radius R is carrying a constant current. The plot of the magnitude of the magnetic field. B with the distance d from the centre of the conductor, is correctly represented by the figure :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() | ||
![]() | ![]() |
74. Two particles A and B are moving in uniform circular motion in concentric circles of
Wrong
Score: 0 / 4
radii rA and rB with speed vA and vB respectively. Their time period of rotation is the same. The ratio of angular speed of A to that of B will be :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | rA : rB | |
![]() | ![]() | vA : vB | |
![]() | ![]() | rB : rA | |
![]() | ![]() | 1 : 1 |
75. Two similar thin equi-convex lenses, of focal length f each, are kept coaxially in contact with each other such that the focal length of the combination is
Wrong
Score: 0 / 4
F1. When the space between the two lenses is filled with glycerine (which has the same refractive index (`mu` = 1.5) as that of glass) then the equivalent focal length is F2. The ratio F1 : F2 will be :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 2 : 1 | |
![]() | ![]() | 1 : 2 | |
![]() | ![]() | 2 : 3 | |
![]() | ![]() | 3 : 4 |
76. In total internal reflection when the angle of incidence is equal to the critical angle for the pair of media in contact, what will be angle of refraction?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 180° | |
![]() | ![]() | 0° | |
![]() | ![]() | Equal to angle of incidence | |
![]() | ![]() | 90° |
77. Two parallel infinite line charges with linear charge densities
Wrong
Score: 0 / 4
+`lambda`C/m and –`lambda` C/m are placed at a distance of 2R in free space. What is the electric field mid-way between the two line charges?
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Zero | |
![]() | ![]() | `(2lambda)/(piepsi_0R`N/C | |
![]() | ![]() | `(lambda)/(piepsi_0R`N/C | |
![]() | ![]() | `(lambda)/(2piepsi_0R` N/C |
78. For a p-type semiconductor, which of the following statements is true ?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Electrons are the majority carriers and trivalent atoms are the dopants. | |
![]() | ![]() | Holes are the majority carriers and trivalent atoms are the dopants. | |
![]() | ![]() | Holes are the majority carriers and pentavalent atoms are the dopants. | |
![]() | ![]() | Electrons are the majority carriers and pentavalent atoms are the dopants. |
79. Which of the following acts as a circuit protection device?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Conductor | |
![]() | ![]() | Inductor | |
![]() | ![]() | Switch | |
![]() | ![]() | Fuse |
80. A parallel plate capacitor of capacitance 20
Wrong
Score: 0 / 4
`mu`F is being charged by a voltage source whose potential is changing at the rate of 3 V/s. The conduction current through the connecting wires, and the displacement current through the plates of the capacitor, would be, respectively.
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Zero, 60 `mu`A | |
![]() | ![]() | 60 `mu`A, 60 `mu`A | |
![]() | ![]() | 60 `mu`A, zero | |
![]() | ![]() | Zero, zero |
81. In the circuits shown below, the readings of the voltmeters and the ammeters will be
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | V2 > V1 and i1 = i2 | |
![]() | ![]() | V1 = V2 and i1 > i2 | |
![]() | ![]() | V1 = V2 and i1 = i2 | |
![]() | ![]() | V2 > Vv and i1 > i2 |
82. a-particle consists of :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 2 protons and 2 neutrons only | |
![]() | ![]() | 2 electrons, 2 protons and 2 neutrons | |
![]() | ![]() | 2 electrons and 4 protons only | |
![]() | ![]() | 2 protons only |
83. An electron is accelerated through a potential difference of 10,000 V. Its de Broglie wavelength is, (nearly) :
Wrong
Score: 0 / 4
(me = 9 × 10–31 kg)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 12.2 × 10–13 m | |
![]() | ![]() | 12.2 × 10–12 m | |
![]() | ![]() | 12.2 × 10–14 m | |
![]() | ![]() | 12.2 nm |
84. When an object is shot from the bottom of a long smooth inclined plane kept at an angle 60° with horizontal, it can travel a distance x1 along the plane. But when the inclination is decreased to 30° and the same object is shot with the same velocity,
Wrong
Score: 0 / 4
it can travel x2 distance. Then x1 : x2 will be:
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | `1:sqrt2` | |
![]() | ![]() | `sqrt2:1` | |
![]() | ![]() | `1:sqrt3` | |
![]() | ![]() | `1:2sqrt3` |
85. A small hole of area of cross-section
Wrong
Score: 0 / 4
2 mm2 is present near the bottom of a fully filled open tank of height 2 m. Taking g = 10 m/s2, the rate of flow of water through the open hole would be nearly
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 12.6 × 10–6 m3/s | |
![]() | ![]() | 8.9 × 10–6 m3/s | |
![]() | ![]() | 2.23 × 10–6 m3/s | |
![]() | ![]() | 6.4 × 10–6 m3/s |
86. Two point charges A and B, having charges +Q and –Q respectively, are placed at certain distance apart and force acting between them is F. If 25% charge of A is transferred to B, then force between the charges becomes :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | F | |
![]() | ![]() | `(9F)/16` | |
![]() | ![]() | `(16F)/9` | |
![]() | ![]() | `(4F)/3` |
87. Ionized hydrogen atoms and -particles with same momenta enters perpendicular to a constant magnetic field, B. The ratio of their radii of their paths
Wrong
Score: 0 / 4
rH : r`alpha` will be :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 2 : 1 | |
![]() | ![]() | 1 : 2 | |
![]() | ![]() | 4 : 1 | |
![]() | ![]() | 1 : 4 |
88. A particle moving with velocity
Wrong
Score: 0 / 4
`vecV` is acted by three forces shown by the vector triangle PQR. The velocity of the particle will :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Increase | |
![]() | ![]() | Decrease | |
![]() | ![]() | Remain constant | |
![]() | ![]() | Change according to the smallest force `vec"QR"` |
89. The work done to raise a mass m from the surface of the earth to a height h, which is equal to the radius of the earth, is:
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | mgR | |
![]() | ![]() | 2mgR | |
![]() | ![]() | `1/2"mgR"` | |
![]() | ![]() | `3/2"mgR"` |
90. In a double slit experiment, when light of wavelength 400 nm was used, the angular width of the first minima formed on a screen placed 1 m away, was found to be 0.2°. What will be the angular width of the first minima, if the entire experimental apparatus is immersed in water?
Wrong
Score: 0 / 4
(`mu_"water"` = 4/3)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 0.266° | |
![]() | ![]() | 0.15° | |
![]() | ![]() | 0.05° | |
![]() | ![]() | 0.1° |
91. Which of the following statements is incorrect?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Viroids lack a protein coat. | |
![]() | ![]() | Viruses are obligate parasites. | |
![]() | ![]() | Infective constituent in viruses is the protein coat. | |
![]() | ![]() | Prions consist of abnormally folded proteins. |
92. Purines found both in DNA and RNA are
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Adenine and thymine | |
![]() | ![]() | Adenine and guanine | |
![]() | ![]() | Guanine and cytosine | |
![]() | ![]() | Cytosine and thymine |
93. Which of the following glucose transporters is insulin-dependent?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | GLUT I | |
![]() | ![]() | GLUT II | |
![]() | ![]() | GLUT III | |
![]() | ![]() | GLUT IV |
94. Identify the cells whose secretion protects the lining of gastro-intestinal tract from various enzymes.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Chief Cells | |
![]() | ![]() | Goblet Cells | |
![]() | ![]() | Oxyntic Cells | |
![]() | ![]() | Duodenal Cells |
95. Which one of the following equipments is essentially required for growing microbes on a large scale, for industrial production of enzymes?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | BOD incubator | |
![]() | ![]() | Sludge digester | |
![]() | ![]() | Industrial oven | |
![]() | ![]() | Bioreactor |
96. Which of the following is true for Golden rice?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | It is Vitamin A enriched, with a gene from daffodil | |
![]() | ![]() | It is pest resistant, with a gene from Bacillus thuringiensis | |
![]() | ![]() | It is drought tolerant, developed using Agrobacterium vector | |
![]() | ![]() | It has yellow grains, because of a gene introduced from a primitive variety of rice |
97. Which one of the following is not a method of in situ conservation of biodiversity?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Biosphere Reserve | |
![]() | ![]() | Wildlife Sanctuary | |
![]() | ![]() | Botanical Garden | |
![]() | ![]() | Sacred Grove |
98. Under which of the following conditions will there be no change in the reading frame of following mRNA?
Wrong
Score: 0 / 4
5'AACAGCGGUGCUAUU3'
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Insertion of G at 5th position | |
![]() | ![]() | Deletion of G from 5th position | |
![]() | ![]() | Insertion of A and G at 4th and 5th positions respectively | |
![]() | ![]() | Deletion of GGU from 7th, 8th and 9th positions |
99. Which of these following methods is the most suitable for disposal of nuclear waste?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Shoot the waste into space | |
![]() | ![]() | Bury the waste under Antarctic ice-cover | |
![]() | ![]() | Dump the waste within rocks under deep ocean | |
![]() | ![]() | Bury the waste within rocks deep below the Earth's surface |
100. Match the following organisms with the products they produce
Wrong
Score: 0 / 4
(a) Lactobacillus (i) Cheese
(b) Saccharomyces (ii) Curd cerevisiae
(c) Aspergillus niger (iii) Citric Acid
(d) Acetobacter aceti (iv) Bread
(v) Acetic Acid
Select the correct option.
(a) (b) (c) (d)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (ii) (iv) (v) (iii) | |
![]() | ![]() | (ii) (iv) (iii) (v) | |
![]() | ![]() | (iii) (iv) (v) (i) | |
![]() | ![]() | (ii) (i) (iii) (v) |
101. What map unit (Centimorgan) is adopted in the construction of genetic maps?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | A unit of distance between two expressed genes representing 10% cross over. | |
![]() | ![]() | A unit of distance between two expressed genes representing 100% cross over. | |
![]() | ![]() | A unit of distance between genes on chromosomes, representing 1% cross over. | |
![]() | ![]() | A unit of distance between genes on chromosomes, representing 50% cross over. |
102. Select the hormone-releasing Intra-Uterine Devices.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Vaults, LNG-20 | |
![]() | ![]() | Multiload 375, Progestasert | |
![]() | ![]() | Progestasert, LNG-20 | |
![]() | ![]() | Lippes Loop, Multiload 375 |
103. Which of the following can be used as a biocontrol agent in the treatment of plant disease?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Trichoderma | |
![]() | ![]() | Chlorella | |
![]() | ![]() | Anabaena | |
![]() | ![]() | Lactobacillus |
104. Expressed Sequence Tags (ESTs) refers to :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Genes expressed as RNA | |
![]() | ![]() | Polypeptide expression | |
![]() | ![]() | DNA polymorphism | |
![]() | ![]() | Novel DNA sequences |
105. Colostrum the yellowish fluid, secreted by mother during the initial days of lactation is very essential to impart immunity to the new born infants because it contains
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Natural killer cells | |
![]() | ![]() | Monocytes | |
![]() | ![]() | Macrophages | |
![]() | ![]() | Immunoglobulin A |
106. Select the incorrect statement.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Inbreeding increases homozygosity | |
![]() | ![]() | Inbreeding is essential to evolve purelines in any animal. | |
![]() | ![]() | Inbreeding selects harmful recessive genes that reduce fertility and productivity | |
![]() | ![]() | Inbreeding helps in accumulation of superior genes and elimination of undesirable genes |
107. Select the correct sequence for transport of sperm cells in male reproductive system.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Testis `->` Epididymis `->` Vasa efferentia `->` Rete testis `->` Inguinal canal `->` Urethra | |
![]() | ![]() | Seminiferous tubules `->` Rete testis `->` Vasa efferentia `->` Epididymis `->` Vas deferens v Ejaculatory duct `->` Urethra `->` Urethral meatus | |
![]() | ![]() | Seminiferous tubules `->` Vasa efferentia `->` Epididymis `->` Inguinal canal `->` Urethra | |
![]() | ![]() | Testis `->` Epididymis `->` Vasa efferentia `->` Vas deferens `->` Ejaculatory duct `->` Inguinal canal `->` Urethra `->` Urethral meatus |
108. A gene locus has two alleles A, a. If the frequency of dominant allele A is 0.4, then what will be the frequency of homozygous dominant, heterozygous and homozygous recessive individuals in the population?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 0.36(AA); 0.48(Aa); 0.16(aa) | |
![]() | ![]() | 0.16(AA); 0.24(Aa); 0.36(aa) | |
![]() | ![]() | 0.16(AA); 0.48(Aa); 0.36(aa) | |
![]() | ![]() | 0.16(AA); 0.36(Aa); 0.48(aa) |
109. Match the following organisms with their respective characteristics :
Wrong
Score: 0 / 4
(a) Pila (i) Flame cells
(b) Bombyx (ii) Comb plates
(c) Pleurobrachia (iii) Radula
(d) Taenia (iv) Malpighian tubules
Select the correct option from the following :
(a) (b) (c) (d)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (iii) (ii) (i) (iv) | |
![]() | ![]() | (iii) (iv) (ii) (i) | |
![]() | ![]() | (ii) (iv) (iii) (i) | |
![]() | ![]() | (iii) (ii) (iv) (i) |
110. The shorter and longer arms of a submetacentric chromosome are referred to as
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | s-arm and l-arm respectively | |
![]() | ![]() | p-arm and q-arm respectively | |
![]() | ![]() | q-arm and p-arm respectively | |
![]() | ![]() | m-arm and n-arm respectively |
111. What is the site of perception of photoperiod necessary for induction of flowering in plants?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Lateral buds | |
![]() | ![]() | Pulvinus | |
![]() | ![]() | Shoot apex | |
![]() | ![]() | Leaves |
112. Which part of the brain is responsible for thermoregulation?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Cerebrum | |
![]() | ![]() | Hypothalamus | |
![]() | ![]() | Corpus callosum | |
![]() | ![]() | Medulla oblongata |
113. Which of the following pair of organelles does not contain DNA?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Mitochondria and Lysosomes | |
![]() | ![]() | Chloroplast and Vacuoles | |
![]() | ![]() | Lysosomes and Vacuoles | |
![]() | ![]() | Nuclear envelope and Mitochondria |
114. What is the genetic disorder in which an individual has an overall masculine development gynaecomastia, and is sterile ?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Turner's syndrome | |
![]() | ![]() | Klinefelter's syndrome | |
![]() | ![]() | Edward syndrome | |
![]() | ![]() | Down's syndrome |
115. Xylem translocates.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Water only | |
![]() | ![]() | Water and mineral salts only | |
![]() | ![]() | Water, mineral salts and some organic nitrogen only | |
![]() | ![]() | Water, mineral salts, some organic nitrogen and hormones |
116. Which of the following pairs of gases is mainly responsible for green house effect?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Ozone and Ammonia | |
![]() | ![]() | Oxygen and Nitrogen | |
![]() | ![]() | Nitrogen and Sulphur dioxide | |
![]() | ![]() | Carbon dioxide and Methane |
117. Which of the following protocols did aim for reducing emission of chlorofluorocarbons into the atmosphere?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Montreal Protocol | |
![]() | ![]() | Kyoto Protocol | |
![]() | ![]() | Gothenburg Protocol | |
![]() | ![]() | Geneva Protocol |
118. In some plants, the female gamete develops into embryo without fertilization. This phenomenon is known as
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Autogamy | |
![]() | ![]() | Parthenocarpy | |
![]() | ![]() | Syngamy | |
![]() | ![]() | Parthenogenesis |
119. Which of the following sexually transmitted diseases is not completely curable?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Gonorrhoea | |
![]() | ![]() | Genital warts | |
![]() | ![]() | Genital herpes | |
![]() | ![]() | Chlamydiasis |
120. Which of the following immune responses is responsible for rejection of kidney graft?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Auto-immune response | |
![]() | ![]() | Humoral immune response | |
![]() | ![]() | Inflammatory immune response | |
![]() | ![]() | Cell-mediated immune response |
121. Which of the following factors is responsible for the formation of concentrated urine?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Low levels of antidiuretic hormone | |
![]() | ![]() | Maintaining hyperosmolarity towards inner medullary interstitium in the kidneys. | |
![]() | ![]() | Secretion of erythropoietin by Juxtaglomerular complex | |
![]() | ![]() | Hydrostatic pressure during glomerular filtration |
122. Which of the following features of genetic code does allow bacteria to produce human insulin by recombinant DNA technology?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Genetic code is not ambiguous | |
![]() | ![]() | Genetic code is redundant | |
![]() | ![]() | Genetic code is nearly universal | |
![]() | ![]() | Genetic code is specific |
123. Which of the following statements is not correct?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Lysosomes have numerous hydrolytic enzymes | |
![]() | ![]() | The hydrolytic enzymes of lysosomes are active under acidic pH | |
![]() | ![]() | Lysosomes are membrane bound structures | |
![]() | ![]() | Lysosomes are formed by the process of packaging in the endoplasmic reticulum |
124. The concept of “Omnis cellula-e cellula” regarding cell division was first proposed by
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Rudolf Virchow | |
![]() | ![]() | Theodor Schwann | |
![]() | ![]() | Schleiden | |
![]() | ![]() | Aristotle |
125. Use of an artificial kidney during hemodialysis may result in :
Wrong
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(a) Nitrogenous waste build-up in the body
(b) Non-elimination of excess potassium ions
(c) Reduced absorption of calcium ions from gastro-intestinal tract
(d) Reduced RBC production
Which of the following options is the most appropriate?
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (a) and (b) are correct | |
![]() | ![]() | (b) and (c) are correct | |
![]() | ![]() | (c) and (d) are correct | |
![]() | ![]() | a) and (d) are correct |
126. What is the direction of movement of sugars in phloem?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Non-multidirectional | |
![]() | ![]() | Upward | |
![]() | ![]() | Downward | |
![]() | ![]() | Bi-directional |
127. Which of the following muscular disorders is inherited?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Tetany | |
![]() | ![]() | Muscular dystrophy | |
![]() | ![]() | Myasthenia gravis | |
![]() | ![]() | Botulism |
128. Consider following features
Wrong
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(a) Organ system level of organisation
(b) Bilateral symmetry
(c) True coelomates with segmentation of body
Select the correct option of animal groups which possess all the above characteristics
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Annelida, Arthropoda and Chordata | |
![]() | ![]() | Annelida, Arthropoda and Mollusca | |
![]() | ![]() | Arthropoda, Mollusca and Chordata | |
![]() | ![]() | Annelida, Mollusca and Chordata |
129. The frequency of recombination between gene pairs on the same chromosome as a measure of the distance between genes was explained by :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | T.H. Morgan | |
![]() | ![]() | Gregor J. Mendel | |
![]() | ![]() | Alfred Sturtevant | |
![]() | ![]() | Sutton Boveri |
130. Following statements describe the characteristics of the enzyme Restriction Endonuclease. Identify the incorrect statement.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | The enzyme cuts DNA molecule at identified position within the DNA. | |
![]() | ![]() | The enzyme binds DNA at specific sites and cuts only one of the two strands. | |
![]() | ![]() | The enzyme cuts the sugar-phosphate backbone at specific sites on each strand. | |
![]() | ![]() | The enzyme recognizes a specific palindromic nucleotide sequence in the DNA. |
131. Which of the following statements is incorrect?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Morels and truffles are edible delicacies. | |
![]() | ![]() | Claviceps is a source of many alkaloids and LSD. | |
![]() | ![]() | Conidia are produced exogenously and ascospores endogenously. | |
![]() | ![]() | Yeasts have filamentous bodies with long thread-like hyphae. |
132. Placentation in which ovules develop on the inner wall of the ovary or in peripheral part, is
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Basal | |
![]() | ![]() | Axile | |
![]() | ![]() | Parietal | |
![]() | ![]() | Free central |
133. Which of the following is the most important cause for animals and plants being driven to extinction?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Habitat loss and fragmentation | |
![]() | ![]() | Drought and floods | |
![]() | ![]() | Economic exploitation | |
![]() | ![]() | Alien species invasion |
134. Variations caused by mutation, as proposed by Hugo de Vries are
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | random and directional | |
![]() | ![]() | random and directionless | |
![]() | ![]() | small and directional | |
![]() | ![]() | small and directionless |
135. Respiratory Quotient (RQ) value of tripalmitin is
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 0.9 | |
![]() | ![]() | 0.7 | |
![]() | ![]() | 0.07 | |
![]() | ![]() | 0.09 |
136. In Antirrhinum (Snapdragon), a red flower was crossed with a white flower and in
Wrong
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F1 generation pink flowers were obtained. When pink flowers were selfed, the F2 generation showed white, red and pink flowers. Choose the incorrect statement from the following :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | This experiment does not follow the Principle of Dominance. | |
![]() | ![]() | Pink colour in F1 is due to incomplete dominance. | |
![]() | ![]() | Ratio of F2 is `1/2` (Red) : `2/4` (Pink) : `1/4` (White) | |
![]() | ![]() | Law of Segregation does not apply in this experiment |
137. Select the incorrect statement.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Male fruit fly is heterogametic | |
![]() | ![]() | In male grasshoppers 50% of sperms have no sex-chromosome | |
![]() | ![]() | In domesticated fowls, sex of progeny depends on the type of sperm rather than egg | |
![]() | ![]() | Human males have one of their sexchromosome much shorter than the other |
138. The correct sequence of phases of cell cycle is
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | M `->` G1 `->` G2 `->` S | |
![]() | ![]() | G1 `->` G2 `->` S `->` M | |
![]() | ![]() | S `->` G1 `->` G2 `->` M | |
![]() | ![]() | G1 `->` S `->` G2 `->` M |
139. Thiobacillus is a group of bacteria helpful in carrying out
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Nitrogen fixation | |
![]() | ![]() | Chemoautotrophic fixation | |
![]() | ![]() | Nitrification | |
![]() | ![]() | Denitrification |
140. Polyblend, a fine powder of recycled modified plastic, has proved to be a good material for
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Making plastic sacks | |
![]() | ![]() | Use as a fertilizer | |
![]() | ![]() | Construction of roads | |
![]() | ![]() | Making tubes and pipes |
141. From evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Liverworts | |
![]() | ![]() | Mosses | |
![]() | ![]() | Pteridophytes | |
![]() | ![]() | Gymnosperms |
142. Which of the following contraceptive methods do involve a role of hormone?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Lactational amenorrhea, Pills Emergency contraceptives. | |
![]() | ![]() | Barrier method, Lactational amenorrhea, Pills. | |
![]() | ![]() | CuT, Pills, Emergency contraceptives. | |
![]() | ![]() | Pills, Emergency contraceptives, Barrier methods. |
143. Match the following hormones with the respective disease
Wrong
Score: 0 / 4
(a) Insulin (i) Addison's disease
(b) Thyroxin (ii) Diabetes insipidus
(c) Corticoids (iii) Acromegaly
(d) Growth Hormone (iv) Goitre
(v) Diabetes mellitus
Select the correct option.
(a) (b) (c) (d)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (v) (i) (ii) (iii) | |
![]() | ![]() | (ii) (iv) (iii) (i) | |
![]() | ![]() | (v) (iv) (i) (iii) | |
![]() | ![]() | (ii) (iv) (i) (iii) |
144. Match the following structures with their respective location in organs
Wrong
Score: 0 / 4
(a) Crypts of Lieberkuhn (i) Pancreas
(b) Glisson's Capsule (ii) Duodenum
(c) Islets of Langerhans (iii) Small intestine
(d) Brunner's Glands (iv) Liver
Select the correct option from the following
(a) (b) (c) (d)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (iii) (i) (ii) (iv) | |
![]() | ![]() | (ii) (iv) (i) (iii) | |
![]() | ![]() | (iii) (iv) (i) (ii) | |
![]() | ![]() | (iii) (ii) (i) (iv) |
145. Grass leaves curl inwards during very dry weather. Select the most appropriate reason from the following
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Closure of stomata | |
![]() | ![]() | Flaccidity of bulliform cells | |
![]() | ![]() | Shrinkage of air spaces in spongy mesophy ll | |
![]() | ![]() | Tyloses in vessels |
146. DNA precipitation out of a mixture of biomolecules can be achieved by treatment with
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Isopropanol | |
![]() | ![]() | Chilled ethanol | |
![]() | ![]() | Methanol at room temperature | |
![]() | ![]() | Chilled chloroform |
147. The Earth Summit held in Rio de Janeiro in 1992 was called
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | to reduce CO2 emissions and global warming | |
![]() | ![]() | for conservation of biodiversity and sustainable utilization of its benefits | |
![]() | ![]() | to assess threat posed to native species by invasive weed species | |
![]() | ![]() | for immediate steps to discontinue use of CFCs that were damaging the ozone layer |
148. Pinus seed cannot germinate and established without fungal association. This is because :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | its embryo is immature. | |
![]() | ![]() | it has obligate association with mycorrhizae. | |
![]() | ![]() | it has very hard seed coat. | |
![]() | ![]() | its seeds contain inhibitors that present germination. |
149. Extrusion of second polar body from egg nucleus occurs :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | after entry of sperm but before fertilization | |
![]() | ![]() | after fertilization | |
![]() | ![]() | before entry of sperm into ovum | |
![]() | ![]() | simultaneously with first cleavage |
150. Concanavalin A is
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | an alkaloid | |
![]() | ![]() | an essential oil | |
![]() | ![]() | a lectin | |
![]() | ![]() | a pigment |
151. Select the correct option.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 8th, 9th and 10th pairs of ribs articulate directly with the sternum. | |
![]() | ![]() | 11th and 12th pairs of ribs are connected to the sternum with the help of hyaline cartilage. | |
![]() | ![]() | Each rib is a flat thin bone and all the ribs are connected dorsally to the thoracic vertebrae and ventrally to the sternum. | |
![]() | ![]() | There are seven pairs of vertebrosternal, three pairs of vertebrochondral and two pairs of vertebral ribs. |
152. Drug called ‘Heroin’ is synthesized by
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | methylation of morphine | |
![]() | ![]() | acetylation of morphine | |
![]() | ![]() | glycosylation of morphine | |
![]() | ![]() | nitration of morphine |
153. In a species, the weight of newborn ranges from 2 to 5 kg. 97% of the newborn with an average weight between 3 to 3.3 kg survive whereas 99% of the infants born with weight from 2 to 2.5 kg or 4.5 to 5 kg die. Which type of selection process is taking place?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Directional Selection | |
![]() | ![]() | Stabilizing Selection | |
![]() | ![]() | Disruptive Selection | |
![]() | ![]() | Cyclical Selection |
154. Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Aldolase | |
![]() | ![]() | Hexokinase | |
![]() | ![]() | Enolase | |
![]() | ![]() | Phosphofructokinase |
155. Which of the following statements is correct?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Cornea is an external, transparent and protective proteinacious covering of the eye-ball. | |
![]() | ![]() | Cornea consists of dense connective tissue of elastin and can repair itself. | |
![]() | ![]() | Cornea is convex, transparent layer which is highly vascularised. | |
![]() | ![]() | Cornea consists of dense matrix of collagen and is the most sensitive portion the eye. |
156. Which of the following ecological pyramids is generally inverted?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Pyramid of numbers in grassland | |
![]() | ![]() | Pyramid of energy | |
![]() | ![]() | Pyramid of biomass in a forest | |
![]() | ![]() | Pyramid of biomass in a sea |
157. Consider the following statement :
Wrong
Score: 0 / 4
(A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group.
(B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme.
Select the correct option.
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Both (A) and (B) are true. | |
![]() | ![]() | (A) is true but (B) is false. | |
![]() | ![]() | Both (A) and (B) are false. | |
![]() | ![]() | (A) is false but (B) is true. |
158. Due to increasing air-borne allergens and pollutants, many people in urban areas are suffering from respiratory disorder causing wheezing due to
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | benign growth on mucous lining of nasal cavity | |
![]() | ![]() | inflammation of bronchi and bronchioles | |
![]() | ![]() | proliferation of fibrous tissues and damage of the alveolar walls | |
![]() | ![]() | reduction in the secretion of surfactants by pneumocytes. |
159. Which one of the following statements regarding post-fertilization development in flowering plants is incorrect?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Ovary develops into fruit | |
![]() | ![]() | Zygote develops into embryo | |
![]() | ![]() | Central cell develops into endosperm | |
![]() | ![]() | Ovules develop into embryo sac |
160. Phloem in gymnosperms lacks :
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Albuminous cells and sieve cells | |
![]() | ![]() | Sieve tubes only | |
![]() | ![]() | Companion cells only | |
![]() | ![]() | Both sieve tubes and companion cells |
161. It takes very long time for pineapple plants to produce flowers. Which combination of hormones can be applied to artificially induce flowering in pineapple plants throughout the year to increase yield?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Auxin and Ethylene | |
![]() | ![]() | Gibberellin and Cytokinin | |
![]() | ![]() | Gibberellin and Abscisic acid | |
![]() | ![]() | Cytokinin and Abscisic acid |
162. Persistent nucellus in the seed is known as
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Chalaza | |
![]() | ![]() | Perisperm | |
![]() | ![]() | Hilum | |
![]() | ![]() | Tegmen |
163. Cell in
Wrong
Score: 0 / 4
G0 phase :
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | exit the cell cycle | |
![]() | ![]() | enter the cell cycle | |
![]() | ![]() | suspend the cell cycle | |
![]() | ![]() | terminate the cell cycle |
164. Match Column - I with Column - II
Wrong
Score: 0 / 4
Column - I Column - II
(a) Saprophyte (i) Symbiotic association of fungi with plant roots
(b) Parasite (ii) Decomposition of dead organic materials
(c) Lichens (iii)Living on living plants or animals
(d) Mycorrhiza (iv) Symbiotic association of algae and fungi
Choose the correct answer from the option given below
(a) (b) (c) (d)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (i) (ii) (iii) (iv) | |
![]() | ![]() | (iii) (ii) (i) (iv) | |
![]() | ![]() | (ii) (i) (iii) (iv) | |
![]() | ![]() | (ii) (iii) (iv) (i) |
165. What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 50 beats per minute | |
![]() | ![]() | 75 beats per minute | |
![]() | ![]() | 100 beats per minute | |
![]() | ![]() | 125 beats per minute |
166. What triggers activation of protoxin to active Bt toxin of Bacillus thuringiensis in boll worm?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Body temperature | |
![]() | ![]() | Moist surface of midgut | |
![]() | ![]() | Alkaline pH of gut | |
![]() | ![]() | Acidic pH of stomach |
167. The ciliated epithelial cells are required to move particles or mucus in a specific direction. In humans, these cells are mainly present in
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Bile duct and Bronchioles | |
![]() | ![]() | Fallopian tubes and Pancreatic duct | |
![]() | ![]() | Eustachian tube and Salivary duct | |
![]() | ![]() | Bronchioles and Fallopian tubes |
168. Which of the statements given below is not true about formation of Annual Rings in trees?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Annual ring is a combination of spring wood and autumn wood produced in a year | |
![]() | ![]() | Differential activity of cambium causes light and dark bands of tissue early and late wood respectively. | |
![]() | ![]() | Activity of cambium depends upon variation in climate. | |
![]() | ![]() | Annual rings are not prominent in trees of temperate region. |
169. What is the fate of the male gametes discharged in the synergid?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | One fuses with egg other(s) degenerate(s) in the synergid. | |
![]() | ![]() | All fuse with the egg. | |
![]() | ![]() | One fuses with the egg, other(s) fuse(s) with synergid nucleus. | |
![]() | ![]() | One fuses with the egg and other fuses with central cell nuclei. |
170. Match the following genes of the Lac operon with their respective products :
Wrong
Score: 0 / 4
(a) i gene (i) `beta`-galactosidase
(b) z gene (ii) Permease
(c) a gene (iii) Repressor
(d) y gene (iv) Transacetylase
Select the correct option.
(a) (b) (c) (d)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (i) (iii) (ii) (iv) | |
![]() | ![]() | (iii) (i) (ii) (iv) | |
![]() | ![]() | (iii) (i) (iv) (ii) | |
![]() | ![]() | (iii) (iv) (i) (ii) |
171. Select the correct sequence of organs in the alimentary canal of cockroach starting from mouth
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Pharynx `->` Oesophagus `->` Crop `->` Gizzard`->` Ileum `->` Colon `->` Rectum | |
![]() | ![]() | Pharynx `->` Oesophagus `->` Gizzard `->` Crop`->` Ileum `->` Colon `->` Rectum | |
![]() | ![]() | Pharynx `->` Oesophagus `->` Gizzard `->`Ileum `->` Crop Colon `->` Rectum | |
![]() | ![]() | Pharynx `->` Oesophagus `->` Ileum `->` Crop`->` Gizzard `->` Colon `->` Rectum |
172. Match the hominids with their correct brain size :
Wrong
Score: 0 / 4
(a) Homo habilis (i) 900 cc
(b) Homo neanderthalensis (ii) 1350 cc
(c) Homo erectus (iii) 650-800 cc
(d) Homo sapiens (iv) 1400 cc
Select the correct option.
(a) (b) (c) (d)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (iii) (i) (iv) (ii) | |
![]() | ![]() | (iii) (ii) (i) (iv) | |
![]() | ![]() | (iii) (iv) (i) (ii) | |
![]() | ![]() | (iv) (iii) (i) (ii) |
173. Identify the correct pair representing the causative agent of typhoid fever and the confirmatory test for typhoid.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Plasmodium vivax / UTI test | |
![]() | ![]() | Streptococcus pneumoniae / Widal test | |
![]() | ![]() | Salmonella typhi / Anthrone test | |
![]() | ![]() | Salmonella typhi / Widal test |
174. How does steroid hormone influence the cellular activities?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Changing the permeability of the cell membrane | |
![]() | ![]() | Binding to DNA and forming a genehormone complex | |
![]() | ![]() | Activating cyclic AMP located on the cell membrane | |
![]() | ![]() | Using aquaporin channels as second messenger |
175. Tidal Volume and Expiratory Reserve Volume of an athlete is 500 mL and 1000 mL, respectively. What will be his Expiratory Capacity if the Residual Volume is 1200 mL?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | 1500 mL | |
![]() | ![]() | 1700 mL | |
![]() | ![]() | 2200 mL | |
![]() | ![]() | 2700 mL |
176. Which of the following is a commercial blood cholesterol lowering agent?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Cyclosporin A | |
![]() | ![]() | Statin | |
![]() | ![]() | Streptokinase | |
![]() | ![]() | Lipases |
177. Which of the following statements regarding mitochondria is incorrect?
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Outer membrane is permeable to monomers of carbohydrates, fats and proteins. | |
![]() | ![]() | Enzymes of electron transport are embedded in outer membrane. | |
![]() | ![]() | Inner membrane is convoluted with infoldings. | |
![]() | ![]() | Mitochondrial matrix contains single circular DNA molecule and ribosomes. |
178. Match the Column-I with Column-II
Wrong
Score: 0 / 4
Column-I Column-II
(a) P - wave (i) Depolarisation of ventricles
(b) QRS complex (ii) Repolarisation of ventricles
(c) T - wave (iii)Coronary ischemia
(d) Reduction in the (iv) Depolarisation of size of T-wave atria
(v) Repolarisation of atria
Select the correct option.
(a) (b) (c) (d)
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | (iv) (i) (ii) (iii) | |
![]() | ![]() | (iv) (i) (ii) (v) | |
![]() | ![]() | (ii) (i) (v) (iii) | |
![]() | ![]() | (ii) (iii) (v) (iv) |
179. Select the correct group of biocontrol agents.
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Bacillus thuringiensis, Tobacco mosaic virus, Aphids | |
![]() | ![]() | Trichoderma, Baculovirus, Bacillus thuringiensis | |
![]() | ![]() | Oscillatoria, Rhizobium, Trichoderma | |
![]() | ![]() | Nostoc, Azospirillium, Nucleopolyhedrovirus |
180. Select the correctly written scientific name of Mango which was first described by Carolus Linnaeus
Wrong
Score: 0 / 4
Your choice | Expected choice | Answer | Comment |
---|---|---|---|
![]() | ![]() | Mangifera indica Car. Linn. | |
![]() | ![]() | Mangifera indica Linn. | |
![]() | ![]() | Mangifera indica | |
![]() | ![]() | Mangifera Indica |