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प्रश्न
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?
विकल्प
(i) and (ii)
(ii) and (iv)
(ii) and (iii)
(iii) and (iv)
उत्तर
(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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संबंधित प्रश्न
Put a tick mark (✓ ) against the correct alternative in the following statements:
In cactus plant found in desert regions, the photosynthesis occur in:
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List out the adaptations of xerophytes.
If you happen to go to a desert, what changes do you expect to observe in the urine you excrete? You would
(i) excrete a small amount of urine.
(ii) excrete a large amount of urine.
(iii) excrete concentrated urine.
(iv) excrete very dilute urine.
Which of the above would hold true?
Why do desert snakes burrow deep into the sand during the day?
Some desert plants have very small leaves whereas some others have only spines. How does this benefit the plants?
In some xerophytes, leaves are modified into spines as an adaptation ______.
______ is the plant in which leaves are modified into spines.
