Lakhmir Singh and Manjit Kaur Solutions for Chapter: Pollution of Air and Water, Exercise 4: Multiple Choice Questions (MCQs)

Author:Lakhmir Singh & Manjit Kaur

Lakhmir Singh Science Solutions for Exercise - Lakhmir Singh and Manjit Kaur Solutions for Chapter: Pollution of Air and Water, Exercise 4: Multiple Choice Questions (MCQs)

Attempt the free practice questions on Chapter 18: Pollution of Air and Water, Exercise 4: Multiple Choice Questions (MCQs) with hints and solutions to strengthen your understanding. Lakhmir Singh's SCIENCE FOR CLASS 8 solutions are prepared by Experienced Embibe Experts.

Questions from Lakhmir Singh and Manjit Kaur Solutions for Chapter: Pollution of Air and Water, Exercise 4: Multiple Choice Questions (MCQs) with Hints & Solutions

EASY
8th CBSE
IMPORTANT

Drinking water can be made absolutely safe by adding some:

EASY
8th CBSE
IMPORTANT

The excessive use of one of the following in agriculture can cause the death of fish in a pond by oxygen starvation which is:

EASY
8th CBSE
IMPORTANT

Which of the following is usually not a water pollutant?

EASY
8th CBSE
IMPORTANT

Which of the following are used in electric water filters to kill all the harmful microorganisms present in tap water and make it absolutely safe for drinking?

EASY
8th CBSE
IMPORTANT

Which of the following is not an air pollutant?

MEDIUM
8th CBSE
IMPORTANT

Which of the following air pollutant is capable of preventing photosynthesis in plants?

MEDIUM
8th CBSE
IMPORTANT

One of the following does not contribute in producing acid rain. This one is:

MEDIUM
8th CBSE
IMPORTANT

Which of the following will reach the Earth in greater amounts if the amount of chlorofluorocarbons released into the air increases?