Cell Walls in Plants

Q.

Cell wall of fungi is made up of:

1. Chitin

2. Cellulose

3. Pectin

4. Hemicellulose

Q.

Cork cells consist of _____ on their walls which makes them impervious to gases and water.

Q. What is the role of cellulose in cell wall?

1. It provides structural strength to plants.
2. It also helps in the absorption of water thus, preventing desiccation of cell.
3. Both A and B.
4. None of the above.

Q. What are the functions of cell wall in plant cell?

[Review question: Pg. No: 68]

Q. Choose the correct answers from the alternatives given.
Bacteria do not possess

1. cell wall
2. ribosome
3. mitochondria
4. plasma membrane