AQA GCSE Biology (Combined Science) Foundation Tier
Paper 2F – 150 Multiple Choice Questions with Answers
and Rationales (2026 Revision)
1. Which structure in a leaf allows gases to enter and leave?
A. Xylem
B. Phloem
C. Stomata ✅
D. Chloroplast
Answer: C
Rationale: Stomata are pores that allow gas exchange.
2. What is the main function of the heart?
A. To digest food
B. To pump blood around the body ✅
C. To control hormones
D. To filter waste
Answer: B
Rationale: The heart pumps blood to supply oxygen and nutrients.
3. Which blood vessel carries blood away from the heart?
A. Vein
B. Capillary
C. Artery ✅
D. Vena cava
Answer: C
Rationale: Arteries carry blood away from the heart.
,4. What is photosynthesis?
A. Breakdown of glucose
B. Making food using light energy ✅
C. Movement of water in plants
D. Gas exchange in leaves
Answer: B
Rationale: Photosynthesis uses light energy to make glucose.
5. Which gas is used in photosynthesis?
A. Oxygen
B. Nitrogen
C. Carbon dioxide ✅
D. Hydrogen
Answer: C
Rationale: Carbon dioxide is a reactant in photosynthesis.
6. Which enzyme digests proteins?
A. Amylase
B. Lipase
C. Protease ✅
D. Bile
Answer: C
Rationale: Protease breaks proteins into amino acids.
7. What is a habitat?
A. A group of organisms
B. Where an organism lives ✅
,C. A food chain
D. A predator
Answer: B
Rationale: A habitat is the place an organism lives.
8. Which of the following is an abiotic factor?
A. Predators
B. Competition
C. Light intensity ✅
D. Disease
Answer: C
Rationale: Abiotic factors are non-living.
9. What do arrows in a food chain show?
A. Size of organisms
B. Direction of energy transfer ✅
C. Population size
D. Habitat
Answer: B
Rationale: Energy flows in the direction of the arrow.
10. Which organism is always at the start of a food chain?
A. Consumer
B. Predator
C. Decomposer
D. Producer ✅
Answer: D
, Rationale: Producers make their own food.
11. What is the role of decomposers?
A. Kill organisms
B. Break down dead material ✅
C. Compete for food
D. Produce oxygen
Answer: B
Rationale: Decomposers recycle nutrients.
12. What is sampling used for?
A. Counting every organism
B. Estimating population size ✅
C. Removing species
D. Changing habitats
Answer: B
Rationale: Sampling gives estimates efficiently.
13. Which equipment is used to sample plants?
A. Net
B. Quadrat ✅
C. Microscope
D. Thermometer
Answer: B
Rationale: Quadrats are used for plant sampling.
14. Why are repeats used in experiments?
A. To waste time
Paper 2F – 150 Multiple Choice Questions with Answers
and Rationales (2026 Revision)
1. Which structure in a leaf allows gases to enter and leave?
A. Xylem
B. Phloem
C. Stomata ✅
D. Chloroplast
Answer: C
Rationale: Stomata are pores that allow gas exchange.
2. What is the main function of the heart?
A. To digest food
B. To pump blood around the body ✅
C. To control hormones
D. To filter waste
Answer: B
Rationale: The heart pumps blood to supply oxygen and nutrients.
3. Which blood vessel carries blood away from the heart?
A. Vein
B. Capillary
C. Artery ✅
D. Vena cava
Answer: C
Rationale: Arteries carry blood away from the heart.
,4. What is photosynthesis?
A. Breakdown of glucose
B. Making food using light energy ✅
C. Movement of water in plants
D. Gas exchange in leaves
Answer: B
Rationale: Photosynthesis uses light energy to make glucose.
5. Which gas is used in photosynthesis?
A. Oxygen
B. Nitrogen
C. Carbon dioxide ✅
D. Hydrogen
Answer: C
Rationale: Carbon dioxide is a reactant in photosynthesis.
6. Which enzyme digests proteins?
A. Amylase
B. Lipase
C. Protease ✅
D. Bile
Answer: C
Rationale: Protease breaks proteins into amino acids.
7. What is a habitat?
A. A group of organisms
B. Where an organism lives ✅
,C. A food chain
D. A predator
Answer: B
Rationale: A habitat is the place an organism lives.
8. Which of the following is an abiotic factor?
A. Predators
B. Competition
C. Light intensity ✅
D. Disease
Answer: C
Rationale: Abiotic factors are non-living.
9. What do arrows in a food chain show?
A. Size of organisms
B. Direction of energy transfer ✅
C. Population size
D. Habitat
Answer: B
Rationale: Energy flows in the direction of the arrow.
10. Which organism is always at the start of a food chain?
A. Consumer
B. Predator
C. Decomposer
D. Producer ✅
Answer: D
, Rationale: Producers make their own food.
11. What is the role of decomposers?
A. Kill organisms
B. Break down dead material ✅
C. Compete for food
D. Produce oxygen
Answer: B
Rationale: Decomposers recycle nutrients.
12. What is sampling used for?
A. Counting every organism
B. Estimating population size ✅
C. Removing species
D. Changing habitats
Answer: B
Rationale: Sampling gives estimates efficiently.
13. Which equipment is used to sample plants?
A. Net
B. Quadrat ✅
C. Microscope
D. Thermometer
Answer: B
Rationale: Quadrats are used for plant sampling.
14. Why are repeats used in experiments?
A. To waste time
