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Question

In Opuntia the spines are modification of

A
Leaf
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B
Branch
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C
Epidermis
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D
Flower
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Solution

The correct option is A Leaf
Opuntia is a phylloclade. It has flattened swollen green stem. The leaves are modified into spine which reduces the rate of transpiration in xerophytic habitats. The stem is modified as leaf and has chlorophyll. The spines are formed by the modification of axillary buds. Nodes and internodes are present on the stem.
So, the correct answer is option A.

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