Question

Which of the following tissue has dead cells?

• A. Parenchyma
• B. Collenchyma
• C. Sclerenchyma
• D. Epithelial cell

Answer 1

The correct option is C

Sclerenchyma

The correct option is C.

The explanation of the correct option:

1. Sclerenchyma is found in plants and is a simple permanent tissue.
2. Sclerenchyma consists of dead cells, making the plant hard and stiff (example- Husk of coconut).
3. They are long and elongated, thick-walled due to the presence of lignin and no internal space​ between them.

The explanation of the incorrect options:

Option A:

1. Parenchyma is a permanent tissue.
2. Parenchyma consists of simple, living, and undifferentiated cells.

Option B:

1. Collenchyma cells are living cells.
2. They have cell walls made of cellulose and have water which helps the plants to keep their shape.

Option D:

1. Epithelial cells are cells that line the surfaces of the body.
2. Epithelial cells are composed of living cells and are thin-walled.

Final Answer: The tissue that has dead cells is Sclerenchyma.