DENDROLOGY AND SOCIETY
MORPHOLOGY AND IDENTIFICATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What gives the stem strength and stiffness?
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Phloem
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Xylem
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Either A or B
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None of the above
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Explanation:
Detailed explanation-1: -The cells of the secondary xylem contain lignin, which provides hardiness and strength.
Detailed explanation-2: -Xylem plays an essential ‘supporting’ role providing strength to tissues and organs, to maintain plant architecture and resistance to bending.
Detailed explanation-3: -Sclerenchyma is a plant tissue providing mechanical stiffness and strength. Fibres and sclereids are the main types of sclerenchyma cells.
There is 1 question to complete.