Q. Silk, honey and lac are:

A) Secretory substances of insects
B) Secretory substances of plants
C) Artificial chemicals
D) All of the above
Explanation

The correct answer is Option A: Secretory substances of insects.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.