NEET 2012 Biology question

Companion cells are closely associated with

(1)Guard cells
(2)Sieve elementsCorrect
(3)Vessel elements
(4)Trichomes

Answer: (2)

Solution

Companion cells are specialised parenchymatous cells of the phloem which are connected to the sieve tube elements (sieve elements) by pit fields and plasmodesmata. They are nucleated and maintain the

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Question ID VK-091241