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Wider sieve t...

Question

Wider sieve tube elements are seen in protophloem.

A

having dense cytoplasm and prominent nuclei

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B

having light cytoplasm and small nuclei

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Solution

The correct option is B
having light cytoplasm and small nuclei

Phloem are of two types, the protophloem and metaphloem. One of the most distinguishable feature of two types of phloem is the sieve tube elements. Protophloem has narrow sieve tube elements as compared to the metaphloem.

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