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2 Organisation

2 Organisation

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Question 6

Plants have highly specialized cells, tissues, and organs that work together to perform vital life processes.

a.

Which term describes a group of cell types with a similar structure and function working together? Selection options: Organ, Organ system, Tissue.

[1]
b.

Explain how the structure of the palisade mesophyll layer is adapted to maximize the rate of photosynthesis.

[2]
c.

Which substance is deposited in the cell walls of xylem vessels to provide structural support and prevent them from collapsing? Selection options: Lignin, Glucose, Starch.

[1]
d.

Complete the sentences describing gas exchange and water loss in a leaf: The microscopic pores on the underside of the leaf through which water vapor escapes are called ____. The opening and closing of these pores is regulated by specialized cells called ____.

[2]
Markscheme

2 Organisation Questions

  1. GCSE
  2. /Biology
  3. /2 Organisation

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