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3.3 Plant disease

3.3 Plant disease

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Question 17
F

The leaves of a plant with chlorosis are yellow instead of green. Why does chlorosis reduce the rate at which the plant grows?

[1]
A

There is less chlorophyll, so the rate of photosynthesis is lower

B

There is less chlorophyll, so the rate of respiration is lower

C

There are fewer nitrate ions, so the rate of photosynthesis is lower

D

There are fewer nitrate ions, so the rate of respiration is lower

Markscheme

3.3 Plant disease Questions

  1. GCSE
  2. /Biology
  3. /3.3 Plant disease

58 exam-style questions on AQA GCSE Biology 3.3 Plant disease, covering 3.3.1 Detection and identification of plant diseases and 3.3.2 Plant defence responses. Each one has a worked solution and a mark scheme showing where the marks go.

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