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2.2 The challenges of size

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Question 3

Water enters a plant through the roots and is lost from the leaves by transpiration.

Which of the following shows the correct sequence of tissues or cells that water passes through during this process?

A

root cortex →\rightarrow→ root hair cells →\rightarrow→ xylem →\rightarrow→ mesophyll cells

B

root hair cells →\rightarrow→ xylem →\rightarrow→ phloem →\rightarrow→ mesophyll cells

C

root hair cells →\rightarrow→ root cortex →\rightarrow→ xylem →\rightarrow→ mesophyll cells

D

xylem →\rightarrow→ root hair cells →\rightarrow→ root cortex →\rightarrow→ mesophyll cells

Markscheme

2.2 The challenges of size Questions

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

17 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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