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BIOLOGY

JAMB 2013 - Question 47

Biology 2013 JAMB Past Questions - Question 47: One adaptation of Cactus opuntia to conserve water is the reduction of

Choose the most appropriate option for the gap .

One adaptation of Cactus opuntia to conserve water is the reduction of

A: stem to leaves.

B: leaves to spine

C: flower size.

D: internodes.

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Correct Answer

Explanation

the reduction of leaves into spines is to reduce the number of stomata and conserve water. the stem has spongy tissue for storing water, chlorophyll for synthesizing food and thick cuticle to reduce rate of transpiration. it has no internodes and does not produce flowers.