Question

Which one of the followings cell-wall is not made up of cellulose?

• A. Bacteria
• B. Hydrilla
• C. Mango tree
• D. Cactus

Answer 1

The correct option is A

Bacteria

The correct option is A.

Explanation of the correct option:

1. Bacteria is a prokaryote.
2. Its cell wall is made up of peptidoglycan or murein.
3. It is made up of sugars and amino acids.
4. It is composed of chains of building blocks called peptidoglycan monomers.

Explanation of the incorrect options:

Option B:

1. Hydrilla is a plant hence, its cell wall is made of cellulose.
2. It is a monocot plant that comes under angiosperm.
3. Cellulose is a polysaccharide type of carbohydrate consisting of several hundred to many thousands of units of glucose.

Option C:

1. Mango tree is a plant hence, its cell wall is made of cellulose.
2. It is a dicot plant that comes under angiosperm.
3. Cellulose is a polysaccharide type of carbohydrate consisting of several hundred to many thousands of units of glucose.

Option D:

1. Cactus is a plant hence, its cell wall is made of cellulose.
2. It is a eudicot plant that comes under angiosperm.
3. Cellulose is a polysaccharide type of carbohydrate consisting of several hundred to many thousands of units of glucose.

Final answer: Bacteria cell-wall is not made up of cellulose.