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Question
Following are some features of plants
(i) They lose a lot of water through transpiration.
(ii) Their leaves are always broad and flat.
(iii) They lose very little water through transpiration.
(iv) Their roots grow very deep into the soil.
Which of the combination of the above features are typical of desert plants?
Options
(i) and (ii)
(ii) and (iv)
(ii) and (iii)
(iii) and (iv)
Solution
(iii) and (iv)
Explanation:
Desert lacks water. So, plants growing in the desert are adapted to the low water conditions. Their leaves lose very little water through transpiration and most often roots are modified into the spines. The roots of the desert plant run very deep into the soil.
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