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Companion cells are associated with

(a) tracheids

(b) phloem parenchyma

(c) sieve tubes

(d) xylem vessels.

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Best answer

The correct option is: (c) sieve tubes

Explanation:

Companion cells are narrow, elongated and thin walled living cells. They lie on the sides of the sieve tubes and are closely associated with them through compound plasmodesmata.

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