Q. Which of the following insect is not of any economic benefit?
A) Silkworm
B) Lac insect
C) Locust
D) Honey bee
Explanation
Locust are of no economic importance, instead are gregarious pests that may even destroy crops
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.