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 Copper
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 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
Ans: D All of the above
Question: 6 Global-500 Award is given for achievement in the field of
(A) Population control
(B) Movement against terrorism
(C) Movement against narcotics
(D) Environmental protection
Ans: D Environmental protection
Question: 7 Chipko movement was basically against
(A) Cultural pollution
(B) Deforestation
(C) Noise pollution
(D) Water pollution
Ans: B Deforestation
Question: 8 Which one among the following is not an endangered bird in India?
(A) Forest Owlet
(B) Mallard
(C) Great Indian Bustard
(D) White bellied Heron
Ans: B Mallard
Question: 9 The transitional zone between two distinct communities is known as
(A) Ecotone
(B) Ecotype
(C) Ecade
(D) Ecosphere
Ans: A Ecotone
Question: 10 In a food chain, the solar energy utilized by plants is only
(A) 1.0%
(B) 10%
(C) 0.01%
(D) 0.1%
Ans: A 1.0%