Environment and Ecology MCQs

 Assam GK

Environment and Ecology

1. The National Environment Research Institute is locate at

(A) Dehradun

(B) New Delhi

(C) Jaipur

(D) Nagpur

Answer: D

2. Which one of the following ecosystems is known as the ‘Land of Big Games’?

(A) Prairie

(B) Taiga

(C) Savannah

(D) Selvas

Answer: C

3. Biotic component of the environment does not include

(A) Micro-organism system

(B) Plant system

(C) Animal system

(D) Soil system

Answer: D

4. Mangrove forests in Asia are largely concentrated in

(A) Philippines

(B) Indonesia

(C) Malaysia

(D) India

Answer: B

5. The term ‘ecosystem’ was enunciated by

(A) A.G. Tansley

(B) E.P. Odum

(C) G. Mendal

(D) C.C. Park

Answer: A

6. Lichens are the best indicator of

(A) Noise pollution

(B) Soil pollution

(C) Water pollution

(D) Air pollution

Answer: D

7. The author of Green Development is

(A) M.J. Bradshaw

(B) M. Nicolson

(C) W.M. Adams

(D) R.H. Whittaker

Answer: C

8. Solar radiation plays the most important role in the

(A) Water cycle

(B) Nitrogen cycle

(C) Carbon cycle

(D) Oxygen cycle

Answer: A

9. Which one of the following is related to ozone formation?

(A) Photosynthesis process

(B) Photochemical process

(C) Chemosynthesis process

(D) Hydrolysis process

Answer: B

10. The word ‘Ecology’ was coined in 1866 by

(A) Ernst Haeckel

(B) Charles Darwin

(C) Robert Whittaker

(D) Arthur Tansley

Answer: A

11. Which one of the following energy is most utilized in biomass?

(A) Tidal energy 

(B) Geothermal energy

(C) Solar energy

(D) Atomic energy

Answer: C

12. Which one of the following is a part of Geological cycle?

(A) Hydrological cycle

(B) Nitrogen cycle

(C) Hydrogen cycle

(D) Carbon cycle

Answer: A

13. An artificial ecosystem is represented by

(A) Aquarium

(B) Agriculture land

(C) Pisciculture tank

(D) Zoo

Answer: A

14. Global warming is caused due to the emission of

(A) Hydrocarbon

(B) Carbon monoxide

(C) Carbon dioxide

(D) Nitrogen

Answer: C

15. Which of the following is designated as the “lungs of the world”?

(A) Equatorial evergreen forests

(B) Taiga forests

(C) Mid-latitudes mixed forests

(D) Mangrove forests

Answer: A

16. The maximum biodiversity is found in

(A) Arctic forests

(B) Tropical rain forests

(C) Temperate forests

(D) Coniferous forests

Answer: B

17. Among the biotic components of the ecosystem the producer system is

(A) Green plants

(B) Tiger

(C) Cow

(D) Peacock

Answer: A

18. The Ozone layer restricts

(A) Ultraviolet radiation

(B) X-rays and Gamma rays

(C) Infrared radiation

(D) Visible light

Answer: A

19. What term denotes the organisms getting their food from others?

(A) Autotrophs

(B) Heterotrophs

(C) Synthesizers

(D) Producers

Answer: B

20. Which of the following components of ecosystem acts as intermediatory between biotic and abiotic components?

(A) Habitat

(B) Decomposer

(C) Consumer

(D) Producer

Answer: D

21. Acid rain is caused due to air pollution by

(A) Nitrous oxide and sulphur dioxide

(B) Carbon dioxide

(C) Carbon monoxide

(D) Methane

Answer: A

22. Which of the following is not a water pollutant?

(A) Sulphur dioxide

(B) Zinc

(C) Copper

(D) Nickel

Answer: C

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

(A) Ecosystem diversity

(B) Homeostatic mechanism

(C) Ecosystem complexity

(D) Ecosystem uniformity

Answer: D

24. In ecosystem, a stable biogroup is called

(A) Succession

(B) Seral

(C) Climax

(D) Ecotone

Answer: D

25. 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

Answer: D

26. 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

Answer: D

27. Chipko movement was basically against

(A) Cultural pollution

(B) Deforestation

(C) Noise pollution

(D) Water pollution

Answer: B

28. Which one among the following is not an endangered bird on India?

(A) Forest Owlet

(B) Mallard

(C) Great Indian Bustard

(D) White bellied Heron

Answer: B

29. The transitional zone between two distinct communities is known as

(A) Ecotone

(B) Ecotype

(C) Ecade

(D) Ecosphere

Answer: A

30. In a food chain, the solar energy utilized by plants is only

(A) 1.0%

(B) 10%

(C) 0.01%

(D) 0.1%

Answer: A

31. Which of the following is not a greenhouse gas?

(A) Nitrogen

(B) Methane

(C) Nitrous oxide

(D) Carbon dioxide

Answer: A

32. Which one of the following is the best source of generating electricity in India from the viewpoint of sustainable development?

(A) Atomic energy

(B) Coal

(C) Mineral oil and gas

(D) Hydro electricity

Answer: D

33. The use of fossil fuels is responsible for the increase in the amount of which gas in the atmosphere?

(A) Argon

(B) Carbon dioxide

(C) Ozone

(D) Nitrogen

Answer: B

34. The Ramsar convention is associated with the conservation of

(A) Wet lands

(B) Dry lands

(C) Forests

(D) Bio fuels

Answer: A

35. The greatest diversity of animal and plant species occurs in

(A) Equatorial forests

(B) Deserts and Savanna

(C) Temperature deciduous forests

(D) Tropical moist forests

Answer: A

36. Which one of the following adopted “Agenda 21”?

(A) Kyoto Protocol

(B) Montreal Protocol

(C) Summit on Sustainable Development

(D) First Earth Summit

Answer: D

37. The greenhouse effect is mostly caused by

(A) Ozone layer

(B) Moisture in the atmosphere

(C) Infra red radiation

(D) Carbon dioxide in the atmosphere

Answer: D

38. Which one of the following trees is considered to be an environmental hazard?

(A) Eucalyptus

(B) Babool

(C) Neem

(D) Amaltas

Answer: A

39. Which one of the following is important strategy for the conservation of biodiversity?

(A) Wild Life Sanctuaries

(B) National Parks

(C) Botanical Gardens

(D) Biosphere Reserves

Answer: D

40. The concept of ecological niche was first introduced by

(A) G.E. Hutchinson

(B) J.Grinnell

(C) E.P. Odum

(D) C.C. Park

Answer: B