Question 1:
Subtopic: B1.1 Characteristics of living organisms
A person throws a ball which their dog runs after and brings back to them.
Which characteristics of living things is the dog showing by this action?
(A) growth and nutrition
(B) movement and nutrition
(C) movement and sensitivity
(D) sensitivity and growth
▶️Answer/Explanation
Ans: C
Question 2:
Subtopic: B2.2 Size of specimens
The diagram shows a palisade cell from a leaf magnified 250.
The chloroplast labelled X measures 5 mm on the diagram.
What is its actual length?
(A) 0.25 mm
(B) 0.05 mm
(C) 0.02 mm
(D) 0.01 mm
▶️Answer/Explanation
Ans: C
Question 3:
Subtopic: B4.1 Biological molecules
Which food test requires heating?
(A) fat
(B) protein
(C) reducing sugar
(D) starch
▶️Answer/Explanation
Ans: C
Question 4:
Subtopic: B5.1 Enzymes
Which graph is correct?
▶️Answer/Explanation
Ans: B
Question 5:
Subtopic: B6.1 Photosynthesis
Plants require various ions to manufacture other molecules.
Which row shows the molecules that plants make from magnesium ions and nitrate ions?
▶️Answer/Explanation
Ans: B
Question 6:
Subtopic: B7.1 Diet
What is a good source of vitamin C?
(A) citrus fruits
(B) liver
(C) meat
(D) milk
▶️Answer/Explanation
Ans: A
Question 7:
Subtopic: B8.1 Xylem and phloem
Which row names the substances carried by xylem vessels and the direction of travel?
▶️Answer/Explanation
Ans: D
Question 8:
Subtopic: B11.1 Gas exchange in humans
What is the expected concentration of oxygen and the water vapour content in expired air?
▶️Answer/Explanation
Ans: A
Question 9:
Subtopic: B13.1 Coordination and response
The graphs show the pupil diameter and heart rate of a person over a period of 30 minutes. The person was given an unexpected shock at one point during the 30 minutes.
At which time did the person experience a shock causing them to release adrenaline?
(A) 5 minutes
(B) 10 minutes
(C) 15 minutes
(D) 25 minutes
▶️Answer/Explanation
Ans: D
Question 10:
Subtopic: B15.4 Sexual reproduction in humans
There are different conditions which may prevent a successful pregnancy.
1 failure of ovulation
2 failure of embryo to implant into uterus lining
3 blockage of oviducts preventing fertilisation
The diagram shows the human female reproductive system.
Which locations are involved in each condition?
▶️Answer/Explanation
Ans: C
Question 11:
Subtopic: B16.1 Chromosomes and genes
Which combination of sex chromosomes are present in the body cells of a human male?
(A) XX
(B) XY
(C) Y only
(D) YY
▶️Answer/Explanation
Ans: B
Question 12:
Subtopic: B18.2 Food chains and food webs
The diagram shows a food chain.
mahogany tree → caterpillar → songbird → hawk
What is the mahogany tree in this food chain?
(A) carnivore
(B) consumer
(C) herbivore
(D) producer
▶️Answer/Explanation
Ans: D
Question 13:
Subtopic: B19.1 Habitat destruction
Which row describes the effects of deforestation?
▶️Answer/Explanation
Ans: D
Question 14:
Subtopic: C12.3 Chromatography
The colours in an ink are separated by chromatography.
Which diagram shows the assembled apparatus?
▶️Answer/Explanation
Ans: C
Question 15:
Subtopic: C2.1 Elements, compounds and mixtures
Which diagram represents a mixture of an element and a compound?
▶️Answer/Explanation
Ans: B
Question 16:
Subtopic: C2.3 Isotopes
X and Y are isotopes of the same element.
Which statement about X and Y is correct?
(A) They have the same nucleon number but different numbers of protons.
(B) They have the same number of neutrons but different numbers of electrons.
(C) They have the same atomic number but different numbers of electrons.
(D) They have the same number of protons but different numbers of neutrons.
▶️Answer/Explanation
Ans: D
Question 17:
Subtopic: C3.1 Formulas
Dilute hydrochloric acid reacts with sodium carbonate to form sodium chloride, carbon dioxide and water.
The equation for the reaction is shown.
wHCl + Na$_{2}$CO$_{3}$ → xNaCl + yCO$_{2}$ + zH$_{2}$O
What are the values of w, x, y and z?
▶️Answer/Explanation
Ans: D
Question 18:
Subtopic: C4.1 Electrolysis
The apparatus used for the electrolysis of copper chloride is shown.
Which words complete labels 1, 2 and 3?
▶️Answer/Explanation
Ans: A
Question 19:
Subtopic: C6.3 Redox
In which change is the oxide of phosphorus, P2O3, reduced?
▶️Answer/Explanation
Ans: A
Question 20:
Subtopic: C12.5 Identification of ions and gases
A piece of damp blue litmus paper is put in a test-tube of a gas. The litmus paper turns red and then changes to white.
What is the gas?
(A) ammonia
(B) carbon dioxide
(C) chlorine
(D) oxygen
▶️Answer/Explanation
Ans: C
Question 21:
Subtopic: C7.1 The characteristic properties of acids and bases
Element X burns in air to produce an oxide.
A solution of the oxide has a pH value of 10.
What is X?
(A) argon
(B) carbon
(C) magnesium
(D) phosphorus
▶️Answer/Explanation
Ans: C
Question 22:
Subtopic: C8.2 Group I properties
The elements in Group I of the Periodic Table are metals.
What are the trends as the group is descended?
(A) decrease in melting point and less reactive with water
(B) decrease in melting point and more reactive with water
(C) increase in melting point and less reactive with water
(D) increase in melting point and more reactive with water
▶️Answer/Explanation
Ans: B
Question 23:
Subtopic: C8.5 Noble gases
Why is argon used in lamps?
(A) It is heavier than air.
(B) It is lighter than air.
(C) It is reactive.
(D) It is unreactive.
▶️Answer/Explanation
Ans: D
Question 24:
Subtopic: C9.4 Reactivity series
Which statement explains why carbon is used in the extraction of copper from its ore?
(A) It is in Group IV of the Periodic Table.
(B) It is more reactive than copper.
(C) It is a non-metal.
(D) It forms a giant covalent molecule.
▶️Answer/Explanation
Ans: B
Question 25:
Subtopic: C9.5 Corrosion of metals
Which substances are needed for iron to rust?
(A) oxygen and water
(B) nitrogen and water
(C) oxygen only
(D) water only
▶️Answer/Explanation
Ans: A
Question 26:
Subtopic: C11.3 Fuels
Which energy source is an example of a fossil fuel?
(A) hydrogen
(B) methane
(C) the Sun
(D) wood
▶️Answer/Explanation
Ans: B
Question 27:
Subtopic: C11.5 Alkenes
Molecules of ethene react together to form long chain molecules.
What is the name of this type of reaction?
(A) addition polymerisation
(B) cracking
(C) fermentation
(D) thermal decomposition
▶️Answer/Explanation
Ans: A
Question 28:
Subtopic: P1.5.1 Effects of forces
The diagrams show four objects, each acted on by only two forces.
Which object is in equilibrium?
▶️Answer/Explanation
Ans: D
Question 29:
Subtopic: P1.7 Pressure
A person wearing snowshoes is walking on snow.
How do snowshoes decrease the pressure on the snow?
(A) by applying the person’s weight over a larger area
(B) by applying the person’s weight over a smaller area
(C) by decreasing the person’s weight
(D) by increasing the person’s weight
▶️Answer/Explanation
Ans: A
Question 30:
Subtopic: P1.6.4 Power
A machine does a certain quantity of work in a certain time.
Which changes to the quantity of work done and to the time taken both decrease the power produced by the machine?
▶️Answer/Explanation
Ans: B
Question 31:
Subtopic: P2.2.2 Melting, boiling and evaporation
A sample of liquid cools for 20 minutes. Its temperature is recorded every 2 minutes.
The results are shown.
How should the sample be described at the end of 18 minutes?
(A) all liquid
(B) all solid
(C) in the process of boiling
(D) in the process of solidifying
▶️Answer/Explanation
Ans: A
Question 32:
Subtopic: P2.3.2 Convection
In which of the three states of matter is convection the main method of thermal energy transfer?
(A) liquids and gases
(B) liquids only
(C) solids and liquids
(D) solids only
▶️Answer/Explanation
Ans: A
Question 33:
Subtopic: P3.1 General properties of waves
The diagram represents a transverse wave.
Which labelled arrow represents the wavelength of the wave?
▶️Answer/Explanation
Ans: C
Question 34:
Subtopic: P3.4 Sound
The sound heard from the siren of a police car becomes quieter and lower pitched as the car moves away from an observer.
Which row describes what happens to the amplitude and frequency of the sound wave heard by the observer?
▶️Answer/Explanation
Ans: A
Question 35:
Subtopic: P4.1 Simple phenomena of magnetism
A bar magnet is brought near to a metal rod. The metal rod is attracted to the magnet.
The magnet is then turned around so that the N-pole is on the right.
The magnet is again brought near to the metal rod and is again attracted to the magnet.
What could the metal rod be?
(A) another bar magnet
(B) a piece of aluminium
(C) a piece of copper
(D) a piece of iron
▶️Answer/Explanation
Ans: D
Question 36:
Subtopic: P4.2.4 Resistance
Four resistors are connected into circuits. The current in each resistor and the
potential difference (p.d.) across each resistor are shown.
Which resistor has a resistance of 2.0?
▶️Answer/Explanation
Ans: D
Question 37:
Subtopic: P4.3.2 Series and parallel circuits
Two lamps can be connected to a battery either in series or in parallel.
Which statement is not a benefit of connecting two lamps in parallel rather than in series?
(A) If one lamp breaks, the other lamp stays lit.
(B) The lamps are brighter.
(C) The lamps can be controlled individually using switches.
(D) There is a smaller current in the battery.
▶️Answer/Explanation
Ans: D
Question 38:
Subtopic: P4.4 Electrical safety
What is the purpose of a fuse in an electric circuit?
(A) to make the circuit more efficient
(B) to protect the circuit from damage by a large current
(C) to provide a constant current in the circuit
(D) to provide a constant potential difference (p.d.) across the circuit
▶️Answer/Explanation
Ans: B
Question 39:
Subtopic: P4.5.4 Force on a current-carrying conductor
The diagram shows a current-carrying wire placed between the poles of a magnet. The direction
of the current is out of the page. The direction of the force on the wire is shown by the arrow.
Both the direction of the current and the poles of the magnet are now reversed.
Which arrow shows the direction of the force on the wire after these changes?
▶️Answer/Explanation
Ans: A
Question 40:
Subtopic: P5.2.3 Radioactive decay
The nucleus of an atom emits an $\alpha$-particle.
How do the number of protons and the number of neutrons in the nucleus change?
▶️Answer/Explanation
Ans: A