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BIOLOGY

JAMB 2012 - Question 20

Biology 2012 JAMB Past Questions - Question 20: The arrow labelled II represents the

use the diagram below to answer the questions 19 and 20

The arrow labelled II represents the

A: release of oxygen

B: intake of carbon (IV) oxide

C: movement of photosynthates

D: movement of nutrients

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Correct Answer

Explanation

. Release of oxygen produced in the leaves during the photolysis or splitting of water molecules. photolysis of water represents the first stage of photosynthesis.H20 ------------ light H+ + (OH)energy hydrogen Hydroxylion ion