plumiHow is plant growth controlled?: OCR GCSE Biology B questions
Every OCR GCSE Biology B exam question on B4.4 How is plant growth controlled?, 2018–2025, with its mark scheme and examiner’s report.
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Q3(a)
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Q3(b)
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The whole paper ↗Q12(a)
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Q12(b)
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Q1(b)
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Q3(b)
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The whole paper ↗Q4(a)
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Q4(b)
The whole paper ↗Q4(a)(i)
The whole paper ↗Q4(a)(ii)
The whole paper ↗Q4(a)(iii)
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All 26 questions on How is plant growth controlled?, as a list
- June 2023, Paper 2 Foundation, Q3(a) (3 marks): Zayn calculates the percentage of cress seedlings in Tray 1 that grew straight up and that grew curved towards the side. The percentages are shown in Table 3.1.
- June 2023, Paper 2 Foundation, Q3(b) (2 marks): Zayn puts 200 cress seeds in another tray of damp soil and places the tray next to the window. This is Tray 2. After 7 days: • 40 of the 200 seedlings in Tray 2
- June 2023, Paper 2 Foundation, Q3(c) (4 marks): At the start of the investigation, Zayn wrote a prediction. Prediction: The cress seedlings will grow towards bright light. Explain how the results from both Tr
- June 2023, Paper 2 Foundation, Q3(d)(i) (2 marks): Describe two things that could have caused the amount of light received by the seedlings in Tray 2 to change over the 7 days. 1 2 [2]
- June 2023, Paper 2 Foundation, Q3(d)(ii) (2 marks): Describe one way Zayn could have controlled the amount of light received by the seedlings in Tray 2. [2]
- June 2023, Paper 2 Foundation, Q3(e) (1 mark): Which process caused the seedlings in Tray 2 to curve towards the window? Tick (✓) one box. Gravitropism Photosynthesis Phototropism [1]
- June 2023, Paper 2 Foundation, Q3(f) (1 mark): State the name of the plant hormone that caused the seedlings in Tray 2 to curve towards the window. [1]
- June 2022, Paper 1 Foundation, Q12(a) (3 marks): Complete each sentence to explain how the plant shoot responds to light. Use words from the list. auxins dark insulin less light more progesterone shade The res
- June 2022, Paper 1 Foundation, Q12(b) (1 mark): What word is used to describe a plant root’s response to gravity? [1]
- June 2022, Paper 3 Higher, Q1(a) (3 marks): Complete each sentence to explain how the plant shoot responds to light. Use words from the list. auxins dark insulin less light progesterone shade more The res
- June 2022, Paper 3 Higher, Q1(b) (1 mark): What word is used to describe a plant root's response to gravity? [1]
- November 2021, Paper 1 Foundation, Q3(a) (1 mark): The name of a plant hormone. [1]
- November 2021, Paper 1 Foundation, Q3(b) (1 mark): A growth response to gravity. [1]
- November 2021, Paper 1 Foundation, Q3(c) (1 mark): A growth response to light. [1]
- November 2021, Paper 3 Higher, Q4(a) (1 mark): A plant hormone responsible for the ripening of fruits. [1]
- November 2021, Paper 3 Higher, Q4(b) (1 mark): A plant hormone responsible for gravitropism in roots. [1]
- November 2020, Paper 1 Foundation, Q4(a)(i) (1 mark): Plant shoots grow towards the light. [1]
- November 2020, Paper 1 Foundation, Q4(a)(ii) (1 mark): Plant roots grow in the direction of gravity. [1]
- November 2020, Paper 1 Foundation, Q4(a)(iii) (1 mark): A hormone involved in plant growth responses. [1]
- November 2020, Paper 3 Higher, Q3(b) (2 marks): Plants produce hormones. These hormones have different roles. Draw lines to connect the plant hormone to its role. Plant hormone Role Auxin Breaking seed dorman
- June 2019, Paper 2 Foundation, Q2(c)(i) (1 mark): Write a testable prediction that describes what will happen if the plant is real. [1]
- June 2019, Paper 2 Foundation, Q2(c)(ii) (4 marks): Kai finds that the plant has grown towards the window. Use ideas about plant hormones to explain how this has happened. [4]
- June 2018, Paper 3 Higher, Q4(a)(i) (1 mark): What term is used to describe a plant’s growth response to light? [1]
- June 2018, Paper 3 Higher, Q4(a)(ii) (2 marks): The growth response to light can be explained by the distribution of the plant hormone auxin in the plant shoot. Jamal finds three diagrams that could explain w
- June 2018, Paper 3 Higher, Q4(a)(iii) (4 marks): Jamal’s teacher gives him two boxes of cress seedlings, each box contains ten seedlings. Describe an experiment Jamal could do to investigate the growth respons
- June 2018, Paper 3 Higher, Q4(b) (2 marks): A gardener is growing fruit. He wants to ripen his fruit quickly and decides to use the plant hormone gibberellin. Do you agree with his choice of hormone? Expl
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