NEET BIOLOGY

PLANT PHYSIOLOGY

TRANSPORT IN PLANT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
True or false.Xylem tissue are largely non-living
A
True
B
Flase
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Xylem is the dead tissue at maturity, but no cell contents. Phloem is the living tissue, but not with the nucleus. Xylem often constitutes the bulk of the plant body.

Detailed explanation-2: -Xylem sclerenchyma are the non-living cells whose protoplasm get lost at the time of maturity.

Detailed explanation-3: -The xylem fibers are former parenchyma cells that developed secondary cell walls. The cell walls of fibers become lignified. They are non-living cells; Hence, option B is not correct.

Detailed explanation-4: -Parenchyma cells are the only living cells in the xylem.

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