Question

Plant tissue having long narrow cells pointed at both ends and uniformly thickened by deposition of lignin is ______.

विकल्प

• sclerenchyma

• collenchyma

• parenchyma

• aerenchyma

Answer 1

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.