BIOLOGY
JAMB 2003 - Question 6
Biology 2003 JAMB Past Questions - Question 6: The processes of water loss and intake indicated by the arrows labelled I and II are respectively.
use the diagram below to answer the questions 5 and 6
A:
B:
C:
D:
Correct Answer
D
Explanation
When a toad is in water during breeding, the entire body is not submerged. Loss of water by evaporation occurs through the exposed thin and moist skin. T he body fluid of toad is hypertonic to fresh water. Thus water enters the body of toad through the thin skinned with blood vessels by osmosis.
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