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2.3 Plant tissues, organs and systems

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Question 6
F

Two identical leafy shoots were left in the same conditions for one hour. Shoot P had grease spread over the upper surface of every leaf. Shoot Q had grease spread over the lower surface of every leaf. Shoot P lost far more water than shoot Q. Which conclusion is supported by this result?

[1]
A

Grease increases the rate at which water evaporates from a leaf

B

Most of the stomata in these leaves are on the lower surface

C

Most of the stomata in these leaves are on the upper surface

D

Water is lost through the waxy cuticle rather than the stomata

Markscheme

2.3 Plant tissues, organs and systems Questions

  1. GCSE
  2. /Biology
  3. /2.3 Plant tissues, organs and systems

38 exam-style questions on AQA GCSE Biology 2.3 Plant tissues, organs and systems, covering 2.3.1 Plant tissues and 2.3.2 Plant organ system. Each one has a worked solution and a mark scheme showing where the marks go.

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