Morning Star solutions for टोटल जियोग्राफी [अंग्रेजी] कक्षा ९ आईसीएसई chapter 16 - Pollution [Latest edition]

Any change in the natural quality of the environment brought about by chemical, physical, or biological factors:

The products which are released into the biosphere in large quantities and which affect the normal functioning of ecosystems:

Unfavourable alteration of our surroundings, wholly or largely as a by-product of man’s actions:

The alteration in characteristics of water, making it unsuitable for designated use in its natural state:

The pollutants which are formed from the chemical reaction of primary pollutants in the environment:

The excessive concentration of foreign matter in the air which adversely affects the well-being of human beings, animals, plants and their environment:

The pollutants which are not degraded by microbes or degrade at a very slow rate:

Unwanted sound that is an irritant and source of stress:

Which of the following is an example of soil pollution?

Nuclear fuels produce pollution by ______.

Assertion (A): Eighty per cent of marine pollution comes from land.

Reason (R): Mining for materials such as copper and gold is a major source of contamination in the ocean.

Given below is a picture of a pollutant; classify it on the basis of degradation.

Given below is a picture of a pollutant; classify it on the basis of degradation.

Given below is a picture of a pollutant; classify it on the basis of degradation.

Given below is a picture of a pollutant; classify it on the basis of degradation.

Given below is a picture of a pollutant; classify it on the basis of degradation.

Given below is a picture of a pollutant; classify it on the basis of degradation.

What is environmental pollution?

Give the difference between natural and man-made pollutants.

What is air pollution?

Give a source of air pollution.

Define water pollution.

What is soil pollution?

Why should we avoid soil pollution?

What is radioactive pollution?

What is meant by noise pollution?

What are man-made causes of radioactive pollution?

Why is radioactive pollution more harmful than other types of pollution?

How is noise a source of pollution?

Why do we need to look at the problem of noise pollution seriously?

Give a geographical reason for the following:

Music is relaxing, but playing it loud is a source of pollution.

Give a geographical reason for the following:

Secondary pollutants are toxic.

Give a geographical reason for the following:

Pesticides are qualitative pollutants.

List the main sources of pollution of ocean waters.

Which type/types of pollution is/are more prominent in the city where you live? List the causes and possible remedies?

Environmental pollution is an incurable disease which can only be prevented. Justify this statement, giving examples.

Write down five harmful effects of using non-biodegradable products like plastic bags. Suggest measures that can help to replace plastic bags with eco-friendly products.