PLANT PHYSIOLOGY
TRANSPORT IN PLANT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Xylem
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Phloem
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Either A or B
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None of the above
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Detailed explanation-1: -In phloem, the conducting cells are living.
Detailed explanation-2: -Phloem companion cells are parenchymatous and these have a nucleus. These are also the living cells of phloem. Phloem fibers are dead.
Detailed explanation-3: -It is a living tissue, which is responsible for transporting food and other organic materials. Xylem generally consists of dead cells (parenchyma is the only living cell present in the xylem).
Detailed explanation-4: -The only living tissue in is xylem parenchyma. Phloem is composed of three types of living tissues, sieve tube cells, companion cells and phloem parenchyma.
Detailed explanation-5: -Phloem, or bast, fibres are flexible long sclerenchyma cells that make up the soft fibres (e.g., flax and hemp) of commerce.