The wood used to build furniture and the cotton fibre used to make clothes are both forms of which carbohydrate?
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → Cellulose
Cellulose is the structural polysaccharide of plants: it makes up the cell wall of plant cells. Wood and cotton fibre are plant material, so both are forms of cellulose.
NCERT (2026-27 edition):
10.1.5 Importance of Carbohydrates – “…Cell wall of bacteria and plants is made up of cellulose. We build furniture, etc. from cellulose in the form of wood and clothe ourselves with cellulose in the form of cotton fibre.”