Question

Which of the following plant tissue lacks protoplasm at maturity?

• A. Sclerenchyma
• B. Collenchyma
• C. Parenchyma
• D. Epidermis

Answer 1

The correct option is A

Sclerenchyma

The correct option is A.

Explanation of correct option:

1. Sclerenchyma cells are dead cells, and their cell walls are narrow and thick without any intercellular spaces.
2. They do not contain any protoplasm at maturity.

Explanation of incorrect option:

Option B:

Collenchyma cells are living cells that are elongated in shape and have protoplasm at maturity.

Option C:

Parenchyma cells are thin-walled and flexible cells that contain protoplasm at maturity.

Option D:

The epidermis is the outermost layer of the plant that provides protection to the plant.

Final answer:

Sclerenchyma is the plant tissue that lacks protoplasm at maturity.