Question

Which of the following structures is present in the plants cells but absent from animal cells?

• A. cell membrane
• B. cell wall
• C. nucleus
• D. cytoplasm

Answer 1

The correct option is B

cell wall

The correct option is B:

Explanation of the correct option :

1. The main difference between plant and animal cells is the presence of a cell wall.
2. Animal cells lack a cell wall while plant cells contain a cell wall surrounding the plasma membrane.
3. The functions of the cell wall is to provide tensile strength to the cells and secure them against osmotic stress.
4. Plant cell walls are made up of cellulose.

Explanation of the incorrect option:

Option A:

1. Cell membrane or plasma membrane is present in both plant and animal cells. It is the only membrane layer covering the animal cells.

Option C:

1. Nucleus is the central control centre of both kinds of cells.

Option D:

1. Cytoplasm is the fluid part present in both types of cells wherein all the organelles are present.

Final answer: The structure present in the plants cells but absent from animal cells is the cell wall.