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The diagram below shows cells in plants:-

      

The diagram below shows cells in plants:-

guard.png

(a) Identify the cells shown above

(b) Explain how the cells are adapted to their function

(c) Explain how accumulation of carbon (IV) Oxide in the cells above would lead to the closure of structure A

  

Answers


Martin
(a) Guard cells;

(b) Cells walls are thicker on the inner side then the outer side; which enables them to pull inwards when the cells are turgid; contains chloroplasts that are able to phosynthesize and produce sugars which enable them to absorb water

(c) Accumulation of carbon (IV) oxide in the leaf forms a weak carbonic acid; lowering the pH which favours conversion of sugar to starch; causing the guard wells to lose turgidity; and close;
marto answered the question on October 3, 2019 at 11:01


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