FORESTRY
PLANT AND WOOD ANATOMY
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Which of the following has unevenly thick cell wall, has a primar wall(cellulose) and a secondary wall(hemicellulose or pectin), and is a simple, living, primarily mechanical tissue of the plant body.
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parenchyma
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collenchyma
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sclerenchyma
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aerenchyma
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Explanation:
Detailed explanation-1: -So, the correct answer is ‘Collenchyma.
Detailed explanation-2: -Collenchyma tissue is composed of elongated cells with irregularly thickened walls. They provide structural support, particularly in growing shoots and leaves.
Detailed explanation-3: -Solution: Cells of meristem, parenchyma and sclerenchyma have evenly thickened cell wall. Collenchyma cells have unevenly thickened cell wall.
Detailed explanation-4: -Another tissue type that functions in structural support is collenchyma, consisting of live cells with unevenly thickened, pectin-rich, primary cell walls (see Chapter 10).
There is 1 question to complete.