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Question
Plant tissue having long narrow cells pointed at both ends and uniformly thickened by deposition of lignin is ______.
Options
sclerenchyma
collenchyma
parenchyma
aerenchyma
MCQ
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Solution
Plant tissue having long narrow cells pointed at both ends and uniformly thickened by deposition of lignin is sclerenchyma.
Explanation:
Sclerenchyma fibres are long, narrow, pointed at both ends and have uniformly thick, lignified walls. Collenchyma has uneven corner thickening, while aerenchyma is parenchyma with large air spaces.
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