NEET 2010 Biology question

Transport of food material in higher plants takes place through

(1)Sieve elementsCorrect
(2)Companion cells
(3)Transfusion cells
(4)Tracheids

Answer: (1)

Solution

In angiosperms, food (mainly sucrose) is translocated by the phloem, whose conducting elements are the sieve tube elements (sieve elements); their sieve plates allow mass flow of sap from source to sink. Companion cells only support the

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Question ID VK-090410