plumiPlant adaptations and plant hormones: Edexcel GCSE Biology questions
Every Edexcel GCSE Biology exam question on Plant adaptations and plant hormones (specification points 6.14–6.16), 2018–2025, with its mark scheme and examiner’s report.
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Q5(b)(i)
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Q5(b)(ii)
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Q5(c)(i)
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Q5(c)(ii)
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Q7(a)
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Q7(b)(i)
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Q5(b)(i)
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Q5(b)(ii)
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Q5(b)(iii)
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Q10(a)(i)
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Q10(a)(ii)
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Q10(b)
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Q10(c)
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Q7(c)
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Q7(d)
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Q7(a)(i)
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Q7(a)(ii)
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Q7(b)
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Q7(c)
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All 38 questions on Plant adaptations and plant hormones, as a list
- June 2025, Paper 2 Foundation, Q5(b)(i) (1 mark): Name the plant hormone that causes the plant to grow towards the light. (1)
- June 2025, Paper 2 Foundation, Q5(b)(ii) (1 mark): Name the type of tropism that causes the plant to grow towards the light. (1)
- June 2025, Paper 2 Foundation, Q5(c)(i) (2 marks): Compare the root hair cells of Plant A with the root hair cells of plant B. (2)
- June 2025, Paper 2 Foundation, Q5(c)(ii) (2 marks): Figure 11 shows sections of a leaf from plant A and a leaf from plant B. cuticle upper epidermis palisade layer spongy layer lower epidermis stomata plant A (we
- June 2024, Paper 2 Higher, Q7(a) (1 mark): Which is the best hormone for the farmer to use? (1) A adrenalin B auxin C thyroxine D gibberellin
- June 2024, Paper 2 Higher, Q7(b)(i) (4 marks): This movement of the flower was in response to the light. Explain how the sunflower changed direction throughout the day. (4)
- June 2024, Paper 2 Foundation, Q5(b)(i) (3 marks): Calculate the mean thickness of cuticle for the plants growing in soil containing 15% water. Give your answer to one decimal place. (3) µm
- June 2024, Paper 2 Foundation, Q5(b)(ii) (2 marks): Explain why the thickness of the cuticle is different when a plant is grown in soil with a higher water content. (2)
- June 2024, Paper 2 Foundation, Q5(b)(iii) (1 mark): State one other way that the leaves of plants are adapted to help plants grow in soil with low water content. (1)
- June 2022, Paper 2 Higher, Q7(b) (6 marks): Explain the uses of auxins, gibberellins and ethene in the commercial production of plants and fruits. (6)
- November 2021, Paper 2 Higher, Q10(a)(i) (1 mark): Which is the name of the plant hormone used in fruit ripening? (1) A auxin B gibberellin C sucrose D ethene
- November 2021, Paper 2 Higher, Q10(a)(ii) (1 mark): Which plant hormone can commercial growers spray fruit with to produce seedless fruit? (1) A auxin B gibberellin C sucrose D ethene
- November 2021, Paper 2 Higher, Q10(b) (3 marks): The effect of applying weed killer containing plant hormones to fields of wheat was investigated. In field A, the weed killer was applied each year for five yea
- November 2021, Paper 2 Higher, Q10(c) (6 marks): Figure 15 shows a pot plant before it fell over and the same pot plant two weeks after it fell over. direction of light pot plant before pot plant two weeks aft
- November 2021, Paper 2 Foundation, Q7(c) (2 marks): Figure 14 shows the number of stomata per mm2 on the lower surface of leaves from plants growing in soils with different water content. 800 600 number of stomat
- November 2021, Paper 2 Foundation, Q7(d) (6 marks): Figure 15a shows a plant that has been placed on its side. Figure 15b shows the same plant after 5 days. Figure 15a Figure 15b Explain why the growth of the pl
- November 2020, Paper 2 Higher, Q7(a)(i) (1 mark): Give one variable the gardener should control when completing this trial. (1)
- November 2020, Paper 2 Higher, Q7(a)(ii) (3 marks): State and explain the conclusions the gardener can make based on his trial. (3)
- November 2020, Paper 2 Higher, Q7(b) (3 marks): Some weed killers contain plant hormones. Explain how plant hormones work as weed killers. (3)
- November 2020, Paper 2 Higher, Q7(c) (3 marks): Explain how phototropism is controlled in plant shoots. (3)
- June 2019, Paper 2 Higher, Q1(b) (2 marks): Xerophytes are plants adapted to live in very dry conditions. State two differences between the leaf structure of a xerophyte and the leaf structure shown in Fi
- June 2019, Paper 2 Foundation, Q3(b) (2 marks): Use words from the box to complete the sentences. (2) thickness water light area chlorophyll volume The pine leaf has stomata in pits to reduce the loss of . Th
- June 2019, Paper 2 Foundation, Q3(c) (2 marks): Figure 5 shows young tomato plants growing in a glasshouse. (Source: © adastra/Shutterstock) Figure 5 The young tomato plants are growing towards the light. Exp
- June 2018, Paper 2 Higher, Q10(a)(i) (1 mark): Give one variable that must have been controlled for the plant shoot to grow vertically, as shown in experiment 2. (1)
- June 2018, Paper 2 Higher, Q10(a)(ii) (1 mark): State one conclusion that could be made based on these two experiments. (1)
- June 2018, Paper 2 Higher, Q10(a)(iii) (1 mark): Which plant hormone causes growth in the plant shoot? (1) A auxin B ethene C gibberellin D chlorophyll
- June 2018, Paper 2 Higher, Q10(a)(iv) (2 marks): Explain one way that this investigation could be improved. (2) QUESTION 10 CONTINUES ON THE NEXT PAGE.
- June 2018, Paper 2 Higher, Q10(b) (6 marks): Marram grass is a plant that grows on exposed areas of sand dunes. Figure 19 shows marram grass growing and a cross section through a leaf of marram grass. uppe
- Specimen, Paper 2 Higher, Q4(a)(i) (2 marks): Label the pots of cress seedlings A, B and C. (2) (Source: Nigel Cattlin/Science Photo Library) Figure 8
- Specimen, Paper 2 Higher, Q4(a)(ii) (1 mark): What is the response shown by the cress seedlings in Pot A? (1) A negative gravitropism B negative phototropism C positive gravitropism D positive phototropism
- Specimen, Paper 2 Higher, Q4(a)(iii) (1 mark): State the plant hormone that causes the cress seedlings to grow towards the light. (1)
- Specimen, Paper 2 Higher, Q4(b) (2 marks): The student wanted to find out where the hormone that caused the response to directional light was found. The student had two growing plant shoots and placed th
- Specimen, Paper 2 Higher, Q4(c)(i) (2 marks): Explain why the waxy cuticle is important for this pine leaf. (2)
- Specimen, Paper 2 Foundation, Q10(a)(i) (2 marks): Label the pots of cress seedlings A, B and C. (2) (Source: Nigel Cattlin/Science Photo Library) Figure 18
- Specimen, Paper 2 Foundation, Q10(a)(ii) (1 mark): What is the response shown by the cress seedlings in Pot A? (1) A negative gravitropism B negative phototropism C positive gravitropism D positive phototropism
- Specimen, Paper 2 Foundation, Q10(a)(iii) (1 mark): State the plant hormone that causes the cress seedlings to grow towards the light. (1)
- Specimen, Paper 2 Foundation, Q10(b) (2 marks): The student wanted to find out where the hormone that caused the response to directional light was found. The student had two growing plant shoots and placed th
- Specimen, Paper 2 Foundation, Q10(c) (6 marks): Explain the adaptations that desert plants have that allow them to survive in this extreme environment. (6)
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