Anatomy and Morphology of Plants
__________ is a living mechanical tissue.
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Single Choice
A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents
Acollenchyma
Correct Answer
Bsclerenchyma
Cxylem
Dmeristem
Solution
Collenchyma: Cells of collenchyma contain protoplasm and are living. Cells walls show localized thickenings due to deposition of cellulose, hemicellulose and pectin substances.
Sclerenchyma: Young cells are living but mature cells become dead due to deposition of impermeable secondary wall. Cell walls show uniform thickening of secondary wall due to deposition of lignin.
So, the correct answer is 'Collenchyma'.
SIMILAR QUESTIONS
Anatomy and Morphology of Plants
In angular collenchyma, thickenings are present ________
Anatomy and Morphology of Plants
Cells of this tissue are living and show angular wall thickenings. They also provide mechanical support. The tissue is
Anatomy and Morphology of Plants
_______ gives flexibility in plants.
Anatomy and Morphology of Plants
Give reasons for Branches of a tree move and bend freely in high wind velocity.
Anatomy and Morphology of Plants
Cells of this tissue are living and show angular wall thickenings. They also provide mechanical support. The tissue is
Anatomy and Morphology of Plants
A plant tissue, when stained, showed the presence of hemicellulose and pectin in cell wall of its cells. The tissue represents
Anatomy and Morphology of Plants
A simple mechanical tissue devoid of lignin is
Anatomy and Morphology of Plants
Mechanical tissue consisting of living cells is
Anatomy and Morphology of Plants
Angular collenchyma occurs in
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