100+ Environmental Science MCQ Questions and Answers - 2

Question: 6

What is autotrophs?

The organisms which prepare their own food are called producers. They are also known as autotrophs. All the green plants are autotrophs.

Question: 7

Define wild life?

All non-domesticated and non cultivated biota found in natural habitat are termed wild life.

Question: 8

Name some abiotic components?

Soil, water and air etc. are abiotic components.

Question: 9

How is acid rain formed?

The air pollutant sulphur dioxide dissolves in water to form sulphuric acid, a corrosive substance, which has destructive effect. When such acids fall on the earth’s surface.

It is called acid rain.

Acid rain reduces the fertility of soil.

Question: 10

What are endangered species?

Such species with decreased population that are on the verge of extinction are called endangered species.