Question

A plant cell without a cell wall is called

• A. Proplast
• B. Nucleoplasm
• C. Protoplast
• D. None of the above

Answer 1

The correct option is C

Protoplast

The correct option is C.

Explanation for correct option:

1. Protoplast is the living part of the cell and does not include the cell wall.
2. In simple words, Protoplast= cell membrane + cytoplasm + nucleus
3. Cellulase and pectinase are the enzymes that break down the cellulose and pectin components of the plant cell wall.
4. They remove the cell wall and leave behind the protoplast which can be isolated.
5. Protoplasts are collected from two different plant species and can then be fused using chemical or physical methods.

Explanation of incorrect options:

Option A:

1. There is no such term as protoplast. It is an incorrect term.

Option B:

1. Nucleoplasm is a type of protoplasm in the cell nucleus.

Option D:

1. It is not applicable in reference to the above options.

Final answer: A plant cell without a cell wall is called a protoplast.