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Question
The plant of arid regions with flat green stem carrying out photosynthesis is
The plant of arid regions with flat green stem carrying out photosynthesis is
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Solution
The correct option is B Opuntia
Euphorbia, Colocasia and Bougainvillea grow in well drained soil but Opuntia grows in arid regions which have little or no rain, like in xerophytic conditions. In such conditions, the leaves are modified into spines to reduce water loss by means of transpiration. On the other hand, the stems modify to become green and flattened and carry out photosynthesis. Such stem modification is known as phylloclade.
Opuntia
Euphorbia, Colocasia and Bougainvillea grow in well drained soil but Opuntia grows in arid regions which have little or no rain, like in xerophytic conditions. In such conditions, the leaves are modified into spines to reduce water loss by means of transpiration. On the other hand, the stems modify to become green and flattened and carry out photosynthesis. Such stem modification is known as phylloclade.
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