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2.2 The challenges of size

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Question 9

The Casparian strip is a specialized structure found in plant roots.

What is its location and primary function?

A

Found in the endodermis and blocks the apoplastic pathway of water transport

B

Found in the endodermis and blocks the symplastic pathway of water transport

C

Found in the pericycle and blocks the apoplastic pathway of water transport

D

Found in the pericycle and blocks the symplastic pathway of water transport

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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