Environment and Ecology Objective Questions & Answers - 1

Question: 1

Acid rain is caused due to air pollution by

(A) Nitrous oxide and sulphur dioxide

(B) Carbon dioxide

(C) Carbon monoxide

(D) Methane

Question: 2

Which of the following is not a water pollutant?

(A) Sulphur dioxide

(B) Zinc

(C) Copper

(D) Nickel

Question: 3

Which of the following is not helpful in maintaining ecological stability?

(A) Ecosystem diversity

(B) Homeostatic mechanism

(C) Ecosystem complexity

(D) Ecosystem uniformity

Question: 4

In ecosystem, a stable biogroup is called

(A) Succession

(B) Seral

(C) Climax

(D) Ecotone

Question: 5

The loss of biodiversity is due to

(A) Destruction of forests

(B) Environmental pollution

(C) The destruction of natural bahitats of organism

(D) All of the above