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Given below are two statements. One is labeled Assertion(A) and the other is labeled Reason(R).
Assertion (A) : Sieve tube cells of vascular plants are non-living
Reason (R) : ieve tube cells of vascular plants lack nucleus & cytoplasm .
In light of the above statements, choose the correct answer from the options given below.

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An Intiative by Sri Chaitanya

(A) is true but (R) is false.

Both (A) and (R) are false.

Both (A) and (R) are true and (R) is the correct explanation of (A).

Both (A) and (R) are true and (R) is not the correct explanation of (A)

answer is D.

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Detailed Solution

Sieve tube elements are long,tube like structures of phloem arranged longitudinally along with ocmpanion cells.Mature sieve tube elements have cytoplasm and vacuole but no nucleus.End walls have perforations to form sieve plates.

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