NCERT · Class 5 · EVS

Chapter 8: A Treat for Mosquitoes

Practice each question, then open the answer or worked solution.

Think

2 questions

Q1Written answer

Why do you think it talks about putting fish in the tank? What do you think the fish eats?

Show solutionHide solution

Worked solution

Answer: By putting the fish in the tank, it eats up the larva of mosquitoes so that there won’t be any breeding.

Q2Written answer

What will happen when oil is spread on the water?

Show solutionHide solution

Worked solution

Answer: When oil is poured into the water, it stops the oxygen supply to the mosquito’s larva from growing and kills them.