Question

A. Tick ( ✓ ) the correct option.


1. Which one is not a part of biological environment?

(a) plants
(b) water

(c) animals
(d) human beings


2. Volcanoes erupt due to :–

(a) internal disturbance of the earth.
(b) external disturbance of the earth.

(c) climate change.
(d) man-made changes on the earth.


3. Which one brings a sudden change in the environment?

(a) formation of a river
(b) rainfall

(c) growth of a plant
(d) formation of a mountain


4. Identify by the term that stands for the topmost layer of the earth comprising of loose material —

(a) minerals
(b) soil

(c) sial
(d) sima


5. In which year was the Wildlife Protection Act passed in India?

(a) 1971
(b) 1972

(c) 1973
(d) 1974​

Answer 1

Answer:

1. (b) water

2. (a) internal disturbance of the earth

Answer 2

1 a. Water
2b. External disturbance of eqrth
3c. I think rainfall
4b.soil
5.dont know