Last updated on July 20th, 2023 at 09:34 pm
Class 4 Pollution Que and Ans
Class 4 Pollution Que and Ans for CBSE / NCERT / ICSE Board students.
Answer the following questions in Short:
What is pollution?
Ans: Pollution is the unwanted change of air, water or soil that degrades the quality of the environment.
Define pollutants.
Ans: Pollutants are substances that pollute air, water, and land.
How many types of pollutions are there?
Ans: There are mainly 4 types of pollution
- Land pollution
- Soil pollution
- Air pollution
- Sound pollution
What is land pollution?
Ans: Land pollution refers to the mixing of harmful substances in soil.
Define soil erosion.
Ans: Soil erosion occurs when water from the rain or wind washes away the top soil.
What is water pollution?
Ans: Water pollution is caused by household, industrial, and agricultural wastes.