Question 1 :
Subtopic: B1.1 Characteristics of living organisms
Which statement about the characteristics of living organisms is correct?
(A) Excretion is the removal of excess substances and toxic materials.
(B) Movement is the ability to detect and respond to environmental changes.
(C) Nutrition is the breaking down of molecules to release energy.
(D) Respiration is the manufacture of carbohydrates from raw materials.
▶️Answer/Explanation
Ans: A
Question 2 :
Subtopic: B2.2 Size of specimens
The diagram shows a beetle.
The length of the diagram is 75 mm.
The actual length of the beetle is 5 mm.
What is the magnification?
(A) ×5
(B) ×15
(C) ×80
(D) ×375
▶️Answer/Explanation
Ans: B
Question 3 :
Subtopic: B4.1 Biological molecules
A colourless liquid gives the test results shown.
Which nutrients are in the colourless liquid?
(A) protein, reducing sugar and starch
(B) protein and reducing sugar only
(C) protein and starch only
(D) protein only
▶️Answer/Explanation
Ans: C
Question 4 :
Subtopic: B5.1 Enzymes
Which type of molecule are enzymes?
(A) carbohydrate
(B) fat
(C) protein
(D) starch
▶️Answer/Explanation
Ans: C
Question 5 :
Subtopic: B8.3 Transpiration
Which conditions cause the highest rate of transpiration in a plant?
▶️Answer/Explanation
Ans: A
Question 6 :
Subtopic: B7.1 Diet
Which row provides the greatest amount of the nutrient needed to move food through the alimentary canal?
▶️Answer/Explanation
Ans: C
Question 7 :
Subtopic: B8.3 Transpiration
The rates of water uptake and loss are measured in four leaves. The results are shown in the table.
Which leaf is least likely to wilt?
▶️Answer/Explanation
Ans: D
Question 8 :
Subtopic: B12.1 Respiration
Small mammals need more energy to maintain a constant body temperature.
The graph shows the rate of oxygen used by species of shrews with different body masses.
Which statements are correct?
1 Heavier shrews use oxygen more slowly than lighter shrews.
2 Heavier shrews respire faster than lighter shrews.
3 Heavier shrews lose heat more slowly than lighter shrews.
(A) 1, 2 and 3
(B) 1 and 2 only
(C) 1 and 3 only
(D) 2 and 3 only
▶️Answer/Explanation
Ans: C
Question 9 :
Subtopic: B13.3 Homeostasis
The diagram shows a section through the skin.
Which row contains the correct names of the structures labelled P, Q and R?
▶️Answer/Explanation
Ans: C
Question 10 :
Subtopic: B15.3 Sexual reproduction in plants
Which diagram shows fertilisation occurring in a flower?
▶️Answer/Explanation
Ans: B
Question 11 :
Subtopic: B17.1 Variation
Which term describes differences between individuals of the same species?
(A) competition
(B) generation
(C) selection
(D) variation
▶️Answer/Explanation
Ans: D
Question 12 :
Subtopic: B18.2 Food chains and food webs
Which type of organism gets its energy from breaking down dead or waste organic matter?
(A) carnivore
(B) consumer
(C) decomposer
(D) producer
▶️Answer/Explanation
Ans: C
Question 13:
Subtopic: C10.2 Air quality and climate
The concentration of carbon dioxide in the atmosphere has increased during the last 200 years.
What has contributed to this increase?
(A) burning large areas of forest
(B) increasing use of pesticides
(C) planting more crops
(D) using fewer fossil fuels
▶️Answer/Explanation
Ans: A
Question 14 :
Subtopic: C12.4 Separation and purification
A sample of water contains two useful substances, insoluble chalk and a soluble salt.
Which two processes are used to individually separate the insoluble chalk from the soluble salt and from the water?
(A) distillation and chromatography
(B) distillation and crystallisation
(C) filtration and chromatography
(D) filtration and crystallisation
▶️Answer/Explanation
Ans: D
Question 15 :
Subtopic: C2.3 Isotopes
Which statement about isotopes of the same element is correct?
(A) They have the same number of protons but different number of electrons.
(B) They have the same number of protons but different number of neutrons.
(C) They have the same number of neutrons but different number of electrons.
(D) They have the same number of neutrons but different number of protons.
▶️Answer/Explanation
Ans: B
Question 16 :
Subtopic: C3.1 Formulas
Which equation represents the reaction between aluminium and oxygen?
(A) 2Al + 3O → Al$_{2}$O$_{3}$
(B) Al$_{2}$ + 3O → Al $_{2}$O$_{3}$
(C) 2Al $_{2}$ + 3O$_{2}$→ 2Al$_{2}$O$_{3}$
(D) 4Al + 3O$_{2}$ → 2Al $_{2}$O$_{3}$
▶️Answer/Explanation
Ans: D
Question 17 :
Subtopic: C4.1 Electrolysis
Which substance does not undergo electrolysis?
(A) aqueous copper chloride
(B) copper wire
(C) dilute sulfuric acid
(D) molten lead(II) bromide
▶️Answer/Explanation
Ans: B
Question 18 :
Subtopic: C9.6 Extraction of metals
To extract a metal from its ore, a metal oxide is mixed with carbon and heated as shown.
The limewater turns cloudy.
Which term describes what happens to the metal oxide?
(A) combustion
(B) neutralisation
(C) oxidation
(D) reduction
▶️Answer/Explanation
Ans: D
Question 19 :
Subtopic: C7.3 Preparation of salts
Solid S is added to dilute hydrochloric acid in the apparatus shown.
▶️Answer/Explanation
Ans: B
Question 20 :
Subtopic: C7.2 Oxides
Which substance is a basic oxide?
(A) calcium oxide
(B) carbon dioxide
(C) nitrogen dioxide
(D) sulfur dioxide
▶️Answer/Explanation
Ans: A
Question 21 :
Subtopic: C8.3 Group VII properties
Which statements about the halogens are correct?
1 They are diatomic metals.
2 Their atoms have seven outer-shell electrons.
3 Going down the group, they change from solid to liquid to gas.
4 Going down the group, they become darker in colour.
(A) 1 and 2
(B) 1 and 3
(C) 2 and 4
(D) 3 and 4
▶️Answer/Explanation
Ans: C
Question 22 :
Subtopic: C8.5 Noble gases
Which statement explains why argon is used to fill lamps?
(A) It is a gas.
(B) It is colourless.
(C) It is reactive.
(D) It is unreactive.
▶️Answer/Explanation
Ans: D
Question 23 :
Subtopic: C9.6 Extraction of metals
Aluminium is a ……1…… resource. It is found in the ore bauxite where it is present in aluminium oxide.
Pure aluminium is extracted from aluminium oxide by ……2…… .
Which words complete gaps 1 and 2?
▶️Answer/Explanation
Ans: A
Question 24 :
Subtopic: C10.2 Air quality and climate
Which gas is an air pollutant?
(A) argon
(B) carbon dioxide
(C) nitrogen
(D) sulfur dioxide
▶️Answer/Explanation
Ans: D
Question 25 :
Subtopic: C7.3 Preparation of salts
Which word equation describes the manufacture of lime from limestone?
(A) calcium carbonate → calcium hydroxide + carbon dioxide
(B) calcium carbonate → calcium oxide + carbon dioxide
(C) calcium hydroxide → calcium oxide + water
(D) calcium oxide + carbon dioxide → calcium carbonate
▶️Answer/Explanation
Ans: B
Question 26 :
Subtopic: C11.3 Fuels
Which process is used to separate petroleum into useful products?
(A) cracking
(B) filtration
(C) fractional distillation
(D) thermal decomposition
▶️Answer/Explanation
Ans: C
Question 27 :
Subtopic: C11.7 Polymers
Polymers are long chain molecules made from smaller molecules.
What are these smaller molecules called?
(A) alkanes
(B) atoms
(C) components
(D) monomers
▶️Answer/Explanation
Ans: D
Question 28 :
Subtopic: P1.3 Mass and weight
Which row gives the units for mass m and gravitational field strength g ?
▶️Answer/Explanation
Ans: A
Question 29 :
Subtopic: P1.4 Density
A solid, rectangular piece of wood measures 8.0 m × 1.0 m × 0.10 m. The block has a mass of 440 kg.
What is the density of the wood?
(A) 55 kg/m$^{3}$
(B) 352 kg/m$^{3}$
(C) 550 kg/m$^{3}$
(D) 3520 kg/m$^{3}$
▶️Answer/Explanation
Ans: C
Question 30 :
Subtopic: P1.7 Pressure
The weight of a box exerts pressure on the ground.
Which pair of changes to the box must reduce the pressure?
(A) decreasing the weight and decreasing the area of the base
(B) decreasing the weight and increasing the area of the base
(C) increasing the weight and decreasing the area of the base
(D) increasing the weight and increasing the area of the base
▶️Answer/Explanation
Ans: B
Question 31 :
Subtopic: P1.6.2 Work
A horizontal force acts on a block.
The block moves in the direction of the force.
Which two quantities affect the work done by the force on the block?
(A) magnitude of force and distance moved
(B) magnitude of force and mass of block
(C) magnitude of force and volume of block
(D) magnitude of force and weight of block
▶️Answer/Explanation
Ans: A
Question 32 :
Subtopic: P2.1.3 Pressure changes
A gas is contained in a cylinder of constant volume.
The gas is cooled.
What happens to the speed of the molecules of the gas and to the pressure of the gas?
▶️Answer/Explanation
Ans: A
Question 33:
Subtopic: P2.2.1 Thermal expansion of solids, liquids and gases
Which statement about the relative thermal expansion of solids, liquids and gases is correct?
(A) Solids expand least, gases expand most.
(B) Solids expand least, liquids expand most.
(C) Gases expand least, liquids expand most.
(D) Gases expand least, solids expand most.
▶️Answer/Explanation
Ans: A
Question 34 :
Subtopic: P3.4 Sound
The amplitude of a sound wave increases, and the frequency of the wave decreases.
What is the effect on the loudness of the sound and on the pitch of the sound?
▶️Answer/Explanation
Ans: B
Question 35 :
Subtopic: P4.2.1 Electrical charge
A plastic rod is rubbed with a cloth. The rod becomes positively charged.
Which statement describes why this happens?
(A) Electrons move from the cloth to the rod.
(B) Electrons move from the rod to the cloth.
(C) Protons move from the cloth to the rod.
(D) Protons move from the rod to the cloth.
▶️Answer/Explanation
Ans: B
Question 36 :
Subtopic: P4.2.2 Electric current
What is a current in a metal wire?
(A) a flow of electrons
(B) a flow of ions
(C) a flow of neutrons
(D) a flow of protons
▶️Answer/Explanation
Ans: A
Question 37:
Subtopic: P4.3.2 Series and parallel circuits
A lamp is connected in four circuits in turn.
The batteries are identical and the resistors are identical.
In which circuit is the lamp the brightest?
▶️Answer/Explanation
Ans: D
Question 38 :
Subtopic: P4.5.3 Magnetic effect of current
The diagrams show a wire carrying a current out of the page.
Which diagram shows the pattern of magnetic field lines near the wire?
▶️Answer/Explanation
Ans: D
Question 39 :
Subtopic: P5.2.2 The three types of nuclear emission
Which row describes the relative ionising effect and the relative penetrating ability of alpha and gamma radiation?
▶️Answer/Explanation
Ans: B
Question 40 :
Subtopic: P5.2.4 Half-life
A radioactive isotope has a half-life of 4.0 days. A sample of the isotope emits radiation at a rateof 100 emissions per minute.
What was the rate of emission from the sample 8.0 days earlier?
(A) 25 emissions per minute
(B) 50 emissions per minute
(C) 200 emissions per minute
(D) 400 emissions per minute
▶️Answer/Explanation
Ans: D