Question 1:
Subtopic: B1.1 Characteristics of living organisms
Which characteristic of a living organism releases energy for growth?
(A) excretion
(B) reproduction
(C) respiration
(D) sensitivity
▶️Answer/Explanation
Ans : C
Question 2:
Subtopic: B2.2 Size of specimens
A student draws a diagram of a chicken’s egg and includes the magnification, m, of the drawing.
The student writes m = $\times2$.
The image length on the diagram is 140 mm.
What is the length of the actual chicken’s egg?
(A) 35 mm
(B) 70 mm
(C) 140 mm
(D) 280 mm
▶️Answer/Explanation
Ans : B
Question 3:
Subtopic: B4.1 Biological molecules
Which colour does Benedict’s solution change to when heated with a reducing sugar?
(A) blue
(B) blue-black
(C) orange
(D) purple
▶️Answer/Explanation
Ans : C
Question 4:
Subtopic: B5.1 Enzymes
Which graph shows the effect of temperature on enzyme activity?
▶️Answer/Explanation
Ans : D
Question 5:
Subtopic: B6.1 Photosynthesis
Which conditions will result in the highest rate of photosynthesis?
▶️Answer/Explanation
Ans : A
Question 6:
Subtopic: B7.1 Diet
Which row about food groups is correct?
▶️Answer/Explanation
Ans : A
Question 7:
Subtopic: B8.1 Xylem and phloem
Which label shows the position of the xylem in the cross-section of the root of a dicotyledonous plant?
▶️Answer/Explanation
Ans : C
Question 8:
Subtopic: B12.1 Respiration
The apparatus shown is set up and left for 10 minutes. The insects are able to move around in
the test-tube but the wire mesh prevents them from falling into the sodium hydroxide.
In which direction does the oil droplet move and why?
▶️Answer/Explanation
Ans : B
Question 9:
Subtopic: B13.2 Hormones
One response to a frightening situation is an increase in heart rate caused by the release of adrenaline.
Which statement about adrenaline is correct?
(A It is an enzyme produced by an organ and travels in the blood to the heart.
(B) It is an enzyme produced by an organ and travels down a nerve to the brain.
(C) It is a hormone produced by a gland and travels in the blood to the heart.
(D) It is a hormone produced by a gland and travels down a nerve to the brain.
▶️Answer/Explanation
Ans : C
Question 10:
Subtopic: B15.4 Sexual reproduction in humans
Which part of the male reproductive system is correctly matched to its function?
▶️Answer/Explanation
Ans : B
Question 11:
Subtopic: B17.1 Variation
Continuous variation is defined as a ……1…… of phenotypes ……2…… .
Which words correctly complete gaps 1 and 2?
▶️Answer/Explanation
Ans : C
Question 12:
Subtopic: B18.2 Food chains and food webs
In a food chain, what do all living organisms get from their food?
(A) a supply of water
(B) oxygen for respiration
(C) protection from disease
(D) the energy they need
▶️Answer/Explanation
Ans : D
Question 13:
Subtopic: B19.1 Habitat destruction
Forests are cut down and burnt in deforestation programmes.
As a result of this, which gas in the atmosphere increases in concentration?
(A) carbon dioxide
(B) hydrogen
(C) nitrogen
(D) oxygen
▶️Answer/Explanation
Ans : A
Question 14:
Subtopic: C12.3 Chromatography
Dye X is a mixture of different coloured substances.
Chromatography is used to compare X with three other mixtures, P, Q and R.
The results are shown.
Which mixtures contain dye X?
(A) P, Q and R
(B) P and Q only
(C) P only
(D R only
▶️Answer/Explanation
Ans : C
Question 15:
Subtopic: C2.2 Atomic structure and the Periodic Table
What do the chemical symbols N2 and Ni represent?
▶️Answer/Explanation
Ans : D
Question 16:
Subtopic: C2.2 Atomic structure and the Periodic Table
The nucleon number of a hydrogen atom is 1.
What is present inside the nucleus of this atom?
(A) one proton and one electron
(B) one proton and one neutron
(C) one proton only
(D) one neutron only
▶️Answer/Explanation
Ans : C
Question 17:
Subtopic: C2.4 Ions and ionic bonds
The diagram represents an ionic compound formed from three types of atom.
What is the chemical formula for this compound?
(A) $Na_{2}S_{4}O$
(B) $NaO_{4}S_{2}$
(C) $Na_{2}SO_{4}$
(D) $S_{4}O_{2}Na$
▶️Answer/Explanation
Ans : C
Question 18:
Subtopic: C4.1 Electrolysis
The diagram shows the electrolysis of dilute sulfuric acid using inert electrodes.
Which substance is produced by electrolysis at the negative electrode?
(A) hydrogen
(B) oxygen
(C) sulfur dioxide
(D) water vapour
▶️Answer/Explanation
Ans : A
Question 19:
Subtopic: C6.3 Redox
When petrol burns in a car engine, carbon monoxide, CO, and nitrogen monoxide, NO, are produced.
These gases pass through a catalytic converter where carbon monoxide reacts with nitrogen monoxide.
The equation for the reaction is shown.
carbon monoxide + nitrogen monoxide → nitrogen + carbon dioxide
Which statement is not correct?
(A) Carbon monoxide is oxidised in the catalytic converter.
(B) Carbon monoxide is produced by the complete combustion of petrol.
(C) Nitrogen from the air is oxidised in the car engine.
(D) Nitrogen monoxide is reduced in the catalytic converter.
▶️Answer/Explanation
Ans : B
Question 20:
Subtopic: C7.2 Oxides
Four different oxides are listed.
1 calcium oxide
2 lithium oxide
3 nitrogen oxide
4 phosphorus oxide
Which oxides are acidic oxides?
(A) 1 and 2
(B) 1 and 3
(C) 2 and 4
(D) 3 and 4
▶️Answer/Explanation
Ans : D
Question 21:
Subtopic: C12.5 Identification of ions and gases
Substance X is mixed with aqueous sodium hydroxide.
A green precipitate is produced.
Which metal ion is present in X?
(A) Cu$^{2+}$
(B) Fe$^{2+}$
(C) Fe$^{3+}$
(D) Zn$^{2+}$
▶️Answer/Explanation
Ans : B
Question 22:
Subtopic: C8.2 Group I properties
Potassium is in Group I of the Periodic Table.
Which statement about potassium is correct?
(A) It is a relatively hard metal.
(B) It is less dense than lithium.
(C) It has a higher melting point than sodium.
(D) It reacts more vigorously with water than sodium.
▶️Answer/Explanation
Ans : D
Question 23:
Subtopic: C8.5 Noble gases
What is a use for argon?
(A) as a catalyst
(B) in alloys
(C) in lamps
(D) neutralising chemical waste
▶️Answer/Explanation
Ans : C
Question 24:
Subtopic: C9.6 Extraction of metals
Which metal is extracted from its ore by electrolysis?
(A) aluminium
(B) copper
(C) gold
(D) iron
▶️Answer/Explanation
Ans : A
Question 25:
Subtopic: C10.2 Air quality and climate
Which gas is present in clean air?
(A) carbon dioxide
(B) carbon monoxide
(C) nitrogen dioxide
(D) sulfur dioxide
▶️Answer/Explanation
Ans : A
Question 26:
Subtopic: C11.3 Fuels
Which statement about petroleum is correct?
(A) It contains mostly alkene molecules.
(B) It is a mixture of hydrocarbons.
(C) It is separated into fractions by cracking.
(D) Its main constituent is methane.
▶️Answer/Explanation
Ans : B
Question 27:
Subtopic: C11.7 Polymers
Which statement about poly(ethene) is correct?
(A) It always contains less than 12 carbon atoms.
(B) It is formed from ethane.
(C) It is formed from ethene.
(D) It occurs naturally.
▶️Answer/Explanation
Ans : C
Question 28:
Subtopic: P1.2 Motion
The speed–time graph represents part of a car journey.
How far does the car travel in the part of the journey shown?
(A) 20 m
(B) 45 m
(C) 70 m
(D) 90 m
▶️Answer/Explanation
Ans : C
Question 29:
Subtopic: P1.4 Density
The mass of an empty measuring cylinder is 15 g.
Liquid is poured into it and the total mass is now 95 g.
The reading on the measuring cylinder is shown.
What is the density of the liquid?
(A) 1.3 g/cm$^{3}$
(B) 1.4 g/cm$^{3}$
(C) 1.5 g/cm$^{3}$
(D) 1.7 g/cm$^{3}$
▶️Answer/Explanation
Ans : B
Question 30:
Subtopic: P1.5.2 Turning effect of forces
The diagram shows a child of weight 240 N sitting on a see-saw (teeter-totter) at a distance of 1.6 m from the pivot.
What is the moment of the weight of the child about the pivot, with the correct unit?
(A) 150 N m
(B) 150 N/ m
(C) 384 N m
(D) 384 N/ m
▶️Answer/Explanation
Ans : C
Question 31:
Subtopic: P1.6.3 Energy resources
Which two energy sources are both non-renewable?
(A) oil and geothermal resources
(B) oil and natural gas
(C) tides and geothermal resources
(D) tides and wind
▶️Answer/Explanation
Ans : B
Question 32:
Subtopic: P2.2.2 Melting, boiling and evaporation
Someone wearing wet clothes can feel cold even on a warm day.
Why do they feel cold?
(A) Water gives out heat as it evaporates.
(B) Water takes in heat as it evaporates.
(C) Water vapour gives out heat as it condenses.
(D) Water vapour takes in heat as it condenses.
▶️Answer/Explanation
Ans : B
Question 33:
Subtopic: P2.3.3 Radiation
How is thermal energy transferred from the Sun through the vacuum of space?
(A) by conduction and convection
(B) by convection and radiation
(C) by convection only
(D) by radiation only
▶️Answer/Explanation
Ans : D
Question 34:
Subtopic: P3.2.2 Refraction of light
A ray of light enters a parallel-sided glass block.
At which labelled point does the ray leave the block?
▶️Answer/Explanation
Ans : B
Question 35:
Subtopic: P3.4 Sound
Which change to a sound wave makes the sound louder?
(A) decreasing the amplitude
(B) decreasing the wavelength
(C) increasing the amplitude
(D) increasing the wavelength
▶️Answer/Explanation
Ans : C
Question 36:
Subtopic: P4.1 Simple phenomena of magnetism
Three charged balls P, Q and R are suspended by insulating threads. Ball P is negatively charged.
Ball Q is brought close to ball P. The balls move away from each other.
Ball Q is now brought close to ball R. The balls move closer to each other.
What are the signs of the charges on ball Q and ball R?
▶️Answer/Explanation
Ans : B
Question 37:
Subtopic: P4.2.2 Electric current
Which two electrical quantities are measured in the same unit?
(A) current and potential difference (p.d.)
(B) current and electromotive force (e.m.f.)
(C) potential difference (p.d.) and electromotive force (e.m.f.)
(D) potential difference (p.d.) and resistance
▶️Answer/Explanation
Ans : C
Question 38:
Subtopic: P4.3.2 Series and parallel circuits
A battery is connected in a circuit to a 3.0 resistor, a 6.0 resistor and two ammeters P and Q.
What is the combined resistance of the two resistors and which ammeter has the greater reading?
▶️Answer/Explanation
Ans : B
Question 39:
Subtopic: P4.4 Electrical safety
The current in an electric kettle used to boil water is 9.0A.
What is the most appropriate rating of fuse to use with this kettle?
(A) 1A
(B) 3A
(C) 8A
(D) 13A
▶️Answer/Explanation
Ans : D
Question 40:
Subtopic: P5.1 The nucleus
A nuclide of hydrogen is represented by $_{1}^{3}\textrm{H}$
Which row shows the number of protons and the number of neutrons in this nuclide?
▶️Answer/Explanation
Ans : A