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2.2 The challenges of size

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Question 19
F

A plant is moved from a still room to a windy place outside.

The temperature and light intensity stay the same.

Which statement explains the effect on the rate of transpiration?

[1]
A

The rate decreases because the wind closes the stomata.

B

The rate decreases because the wind cools the leaves down.

C

The rate increases because water vapour is moved away from the leaf.

D

The rate increases because more water vapour diffuses into the leaf.

Markscheme

2.2 The challenges of size Questions

  1. GCSE
  2. /Biology
  3. /2.2 The challenges of size

114 exam-style questions on OCR GCSE Biology 2.2 The challenges of size, covering 2.2.1 Exchange surfaces and surface area : volume ratio, 2.2.2 Substances transported in organisms, 2.2.3 The human circulatory system, 2.2.4 The heart and blood vessels, 2.2.5 Red blood cells and plasma, 2.2.6 Uptake of water and mineral ions by plants, 2.2.7 Transpiration and translocation, 2.2.8 Xylem and phloem, 2.2.9 Environmental factors and water uptake, and 2.2.10 Using a potometer. Each one has a worked solution and a mark scheme showing where the marks go.

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