| Collenchyma | Sclerenchyma | |
| (i) | It is made up of dead cells. | Its cells are living. |
| (ii) | Lumen or cell cavity is wide. | Lumen or cell cavity is usually narrow. |
| (iii) | It provides hardness to the region where it occurs. | It keeps the organ soft. |
| (iv) | Wall thickening is not uniform. | Wall thickening is uniform. |
| (v) | Pits are simple and straight. | Pits are simple, oblique and may be branched. |
A) (i) and (iii) only
B) (i), (iii) and (iv) only
C) (ii), (iv) and (v) only
D) (i) and (iv) only
Correct Answer: A
Solution :
Collenchyma is a permanent living tissue of primary plant body. It provides flexibility to soft aerial parts like leaves, young stem of plant so that they can bend without breaking. Sclerenchyma consists of thick-walled, dead cells. It provides hardness to the region where it occurs.
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