16 exam-style questions · Biology only (B): not in Science (Double Award). Write your answer, check it against the mark scheme and tick the points you earned. Your marks stay on this device. Your writing is not saved.
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6.17B Micropropagation
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Describe how micropropagation is used to produce many identical plants.
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Total for this question: 4 marks
6.17B Micropropagation
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Explain why explants are sterilised.
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Total for this question: 2 marks
6.17B Micropropagation
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Explain why plant hormones are added to the agar.
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Total for this question: 2 marks
6.17B Micropropagation
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Why are plants from micropropagation identical?
(1)Total for this question: 1 mark
6.17B Micropropagation
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Explain why tissue from shoot tips is used.
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Total for this question: 2 marks
6.17B Micropropagation
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State two nutrients in the agar used for micropropagation.
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Total for this question: 2 marks
6.17B Micropropagation
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Explain why aseptic technique is important in micropropagation.
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Total for this question: 2 marks
6.17B Micropropagation
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Explain why plantlets are kept in humid conditions when first transferred to compost.
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Total for this question: 2 marks
6.17B Micropropagation
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Suggest why micropropagation is more expensive than taking cuttings.
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Total for this question: 2 marks
6.17B Micropropagation
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Compare micropropagation and growing plants from seed.
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Total for this question: 2 marks
6.17B Micropropagation
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Identify the term for a small piece of plant tissue used in micropropagation.
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Total for this question: 1 mark
6.17B Micropropagation
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Explain why plants produced by micropropagation are all vulnerable to the same disease.
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Total for this question: 2 marks
6.17B Micropropagation
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Describe the role of auxin and cytokinin in micropropagation.
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Total for this question: 2 marks
6.17B Micropropagation
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Illustrative data.
| Week | Plantlets |
|---|---|
| 0 | 1 |
| 4 | 8 |
| 8 | 60 |
| 12 | 480 |
Describe the change in the number of plantlets.
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Total for this question: 2 marks
6.17B Micropropagation
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Explain why micropropagation is useful for rare plants.
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Total for this question: 2 marks
