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Question
In phloem, the elements ‘X’ do not have nuclei but they still remain living because they are dependent on ‘Y’ for their requirements. Here, ‘X’ and ‘Y’, respectively are ____________.
In phloem, the elements ‘X’ do not have nuclei but they still remain living because they are dependent on ‘Y’ for their requirements. Here, ‘X’ and ‘Y’, respectively are ____________.
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Solution
The correct option is C Sieve tubes and Companion cells
In phloem, sieve tubes (X) do not have nuclei but they still remain living because they are dependent on companion cells (Y) for their requirement. Companion cells lie on the sides of the sieve tubes. They are living cells containing large elongated nuclei and dense cytoplasm.
In phloem, sieve tubes (X) do not have nuclei but they still remain living because they are dependent on companion cells (Y) for their requirement. Companion cells lie on the sides of the sieve tubes. They are living cells containing large elongated nuclei and dense cytoplasm.
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