ScienceClass 7CBSE
Q
Silkworms secrete fibre made of (a) fat (b) cellulose (c) protein (d) nylon
A
Soln:
The answer is (c) protein
Explanation:
A salivary gland of silkworm releases a protein which is used as silk.
Soln:
The answer is (c) protein
Explanation:
A salivary gland of silkworm releases a protein which is used as silk.