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

Ans: A

Nitrous oxide and sulphur dioxide

Question: 2

Which of the following is not a water pollutant?

(A) Sulphur dioxide

(B) Zinc

(C) Copper

(D) Nickel

Ans: C


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

Ans: D

Ecosystem uniformity

Question: 4

In ecosystem, a stable biogroup is called

(A) Succession

(B) Seral

(C) Climax

(D) Ecotone

Ans: D


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

Ans: D

All of the above

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