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Question
Assertion :Intercalary meristem increase length of plant-like apical meristems. Reason: Intercalary meristem originates from the apical meristems.
Assertion :Intercalary meristem increase length of plant-like apical meristems. Reason: Intercalary meristem originates from the apical meristems.
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Solution
The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
Intercalary meristems are intercalated in-between the permanent tissues. The activities of these meristems also add to the length of the plant or its organs. They originate from the apical meristems when their portions get detached due to the growth of the organs. For example, in the grasses when the internodes complete their elongation, some cells at the base retain their meristematic activity and function as intercalate meristems. They lie just above the node.So the correct option is 'A'.
Intercalary meristems are intercalated in-between the permanent tissues. The activities of these meristems also add to the length of the plant or its organs. They originate from the apical meristems when their portions get detached due to the growth of the organs. For example, in the grasses when the internodes complete their elongation, some cells at the base retain their meristematic activity and function as intercalate meristems. They lie just above the node.
So the correct option is 'A'.
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