Environment MCQ | Environmental MCQ Questions

In this article environment mcq we give the the information about environmental science mcq, mcq on air pollution, environment class 7 mcq, mcq on pollution and mcq on types of pollution.

Environment MCQ:-

1. What is the biological component of environment and ecology?

(A) Soil

(B) water

(C) Air

(D) Vegetation ✔

2. What is the physical component of environment and ecology?

(A) Animals

(B) Vegetation

(C) Flowing water✔

(D) Ecology

3. What is the study of the interactions between organisms and the environment called?

(A) Life Sciences

(B) Biogeography

(C) Physics

(D) Ecology ✔

4. In which group are fungi included in the forest ecosystem?

(A) producer

(B) Consumer

(C) Secondary consumer

(D) decomposer ✔

5. Who has been made to help the country’s most affected by climate change?

(A) Green Climate Fund ✔

(B) Climate Relief Fund

(C) Green Bank

(D) World Green Fund

6. What are the ill effects of Deforestation?

(A) on soil erosion✔

(B) on weed control

(C) on the sunlight

(D) on the growth of pastures

7. There is a lot of moisture and water on the mountains. Why are there still dead bodies here?

(A) Water turns into ice on the mountains.

(B) The water gets carried away due to slopes and is not used by the plants. ✔

(C) Rocks of mountains are unable to absorb water.

(D) None of the above.

8. What is the approximate number of known species of animals in the world?

(A) 14 lakh ✔

(B) 24 lakhs

(C) 34 lakhs

(D) 44 lakhs

9. What is an example of a natural ecosystem?

(A) farm

(B) Dam

(C) Lake ✔

(D) Park

10. What is an example of an artificial ecosystem?

(A) coral reef

(B) Wetland

(C) farm ✔

(D) river

Environment MCQ:-

11. What is an example of a saline water ecosystem?

(A) River

(B) coral reef ✔

(C) Dam

(D) Pond

12. What is an example of a clean water ecosystem?

(A) Beach

(B) Gulf

(C) Eschury

(D) Pond

13. Who connects the biotic and abiotic components of an ecosystem?

(A) producer

(B) organic matter

(C) Inorganic substances ✔

(D) Consumer

14. Soil erosion can be prevented by?

(A) excessive grazing of animals

(B) by cutting of vegetation

(C) by afforestation ✔

(D) increasing the population of birds

15. Who decides the number of producers and consumers in an ecosystem?

(A) Climatic factors ✔

(B) surface factor

(C) Biological factors

(D) soil factor

16. What is the basis of the interactions between plants and animals in an ecosystem?

(A) producer

(B) nutritional relationship ✔

(C) energy flow

(D) decomposers

17. Who converts optical energy into chemical energy?

(A) Microorganisms

(B) decomposers

(C) Secondary consumer

(D) green plants✔

18. What are the autotrophic components of an ecosystem?

(A) Microorganisms

(B) Predator

(C) Plants ✔

(D) mortal

19. What are green plants called in ecology?

(A) Communicator

(B) producer✔

(C) Consumer

(D) reflector

20. Which is the world’s most famous insecticide?

(A) DDT ✔

(B) B.H.C.

(C) Flit

(D) Begoun

Environment MCQ:-

21. Desertification is caused by?

(A) Deforestation due to uprooting of forests

(B) due to soil erosion caused by water

(C) due to soil erosion caused by wind

(D) Due to very high temperature and less rainfall ✔

22. What are herbivorous animals called?

(A) producer

(B) primary consumer ✔

(C) Secondary consumer

(D) Tertiary consumer

23. In which category does the dog belong?

(A) primary consumer

(B) Secondary consumer ✔

(C) Tertiary consumer

(D) producer

24. In which class do omnivorous animals come?

(A) producer

(B) primary consumer

(C) Secondary consumer ✔

(D) Tertiary consumer

25. Which is the hot spot of India?

(A) Eastern Ghats

(B) Western Ghats ✔

(C) East Coast

(D) West Coast

26. In which continent the most hot spots have been marked?

(A) Asia

(B) Africa

(C) South America ✔

(D) North America

27. Which continent does not have a single hot spot?

(A) North America

(B) South America

(C) Europe ✔

(D) Australia

28. The circle of organisms on the surface of the earth including water, air and land is called?

(A) Lithosphere

(B) biosphere ✔

(C) Hydrosphere

(D) Atmosphere

29. Who is included in the category of consumer?

(A) Termites ✔

(B) Frog

(C) Lizard

(D) Snake

30. Which is an example of decomposing organisms?

(A) Algae

(B) Plankton

(C) Fungus ✔

(D) Frog

Environment MCQ:-

31. In which category are bacteria included?

(A) producer

(B) decomposers ✔

(C) primary consumer

(D) Secondary consumer

32. Who is included in the biomass?

(A) producer

(B) Consumer

(C) decomposers

(D) all living beings ✔

33. What is the main source of energy in an ecosystem?

(A) ground temperature

(B) Surya ✔

(C) Green house gases

(D) Moon

34. What is the source of energy in an ecosystem?

(A) Transformation ✔

(B) construction

(C) stabilization

(D) destruction

35. What is the loss of energy in the ecosystem?

(A) stabilization

(B) pollution

(C) by conversion ✔

(D) by renewal

36. Green plants convert sunlight into

(A) mechanical energy

(B) in chemical energy ✔

(C) physical energy

(D) electrical energy

37. How much energy is transferred from plants to herbivores?

(A) 10% ✔

(B) 20%

(C) 30%

(D) 1%

38. How does the energy flow in the ecosystem always?

(A) quadrilateral

(B) one directional ✔

(C) Tridirectional

(D) bidirectional

39. At what level does energy always flow in an ecosystem?

(A) from high level to low level ✔

(B) from a high level to a very high level

(C) from low level to high level

(D) to the same level

40. How do different chemical elements flow in an ecosystem?

(A) one directional

(B) vertical

(C) cyclic ✔

(D) Horizontal

Environment MCQ:-

41. Which is the non-conventional source of energy?

(A) Petroleum

(B) Coal

(C) Solar radiation ✔

(D) Electricity of nuclear power generating stations

42. Which of the following flows in the sedimentary cycle?

(A) of water

(B) Minerals ✔

(C) air

(D) Energy

43. What is each link in the food chain called?

(A) Production Level

(B) Food level

(C) Nutrition level ✔

(D) absorption level

44. Green plants are at which place of the food chain?

(A) start ✔

(B) middle

(C) last

(D) everywhere

45. What is the definite nutritional sequence of obtaining food among organisms called?

(A) Food order

(B) Food chain ✔

(C) food web

(D) edible tree

46. I.U.C.N. In which field is the organization engaged?

(A) water conservation

(B) animal protection ✔

(C) Soil Conservation

(D) Food Preservation

47. What is formed when multiple food chains meet at any level?

(A) Food cycle

(B) food web ✔

(C) Food Association

(D) edible tree

48. Who are at the end of the food chain?

(A) decomposers ✔

(B) producer

(C) primary consumer

(D) Secondary consumer

49. Which is the weakest link in the food chain?

(A) primary consumer

(B) producer

(C) Secondary consumer

(D) top consumer ✔

50. Who is called ‘Oran’?

(A) sacred plant

(B) Sacred animal

(C) to the holy mountain

(D) to the sacred forest ✔

Environment MCQ:-

51. What are plants that grow in alkaline soil called?

(A) Xerophyte

(B) mezophyte

(C) Hydrophyte

(D) Halophyte ✔

52. Who is related to World Biodiversity Conservation?

(A) Nagoya Protocol ✔

(B) Tokyo Protocol

(C) Geneva Protocol

(D) Singapore Protocol

53. What percentage of land has been set by the United Nations for the conservation of biodiversity?

(A) 7

(B) 17 ✔

(C) 25

(D) 33

54. Which is included in the endangered plant species of India?

(A) Mango

(B) rosewood

(C) Teak

(D) sandalwood ✔

55. What are the dense evergreen forests of the Western Ghats called?

(A) Aranyaka

(B) Sola ✔

(C) Tega

(D) Selva

56. Where is the greatest diversity of flora and fauna found in India?

(A) Eastern Ghats

(B) Aravali

(C) Western Himalayas

(D) Western Ghats ✔

57. What causes water pollution?

(A) by the addition of salts

(B) Industrial extracts ✔

(C) by the destruction of the body of aquatic animals

(D) by rain

58. Where is Kaziranga National Park located?

(A) Uttarakhand

(B) Assam ✔

(C) Arunachal Pradesh

(D) Nagaland

59. Who is most responsible for world climate change?

(A) Increase of Green House Gases ✔

(B) lack of rain

(C) nuclear weapons

(D) Population growth

60. Which is an atmospheric pollutant gas?

(A) Sulfur dioxide ✔

(B) Oxygen

(C) ozone

(D) Nitrogen

61. Which gas is the largest contributor to Green House Gases?

(A) CFSs

(B) carbon dioxide  ✔

(C) nitrous oxide

(D) Methane

Environment MCQ:-

62. What is the major source of emission of carbon dioxide?

(A) fossil fuel combustion ✔

(B) respiration of animals

(C) Volcanic action

(D) marshy lands

63. What is the shortest living greenhouse gases?

(A) CFSs

(B) carbon dioxide

(C) Methane ✔

(D) nitrous oxide

64. Which of the following has the longest lifetime among the greenhouse gases?

(A) carbon dioxide

(B) nitrous oxide ✔

(C) Methane

(D) CFSs

65. Which industry emits maximum nitrous oxide gas?

(A) Nylon ✔

(B) Cement

(C) cloth

(D) paper

66. What is the natural source of nitrous oxide gas?

(A) desert soils

(B) cold tropical soils

(C) Temperate soils

(D) Tropical soils ✔

67. What is formed by chemical reaction only?

(A) Methane

(B) ✔ of CFSs

(C) carbon dioxide

(D) nitrous oxide

68. What are the household appliances that damage the ozone layer?

(A) Computer

(B) Television

(C) air conditioner ✔

(D) cooler

69. What is the biggest threat to the survival of the living beings present on the earth?

(A) Radiation

(B) Desertification

(C) Deforestation ✔

(D) Glaciation

70. Copenhagen is the capital of which country?

(A) Denmark ✔

(B) Finland

(C) Netherlands

(D) Norway

Environment MCQ:-

71. How does forest help in controlling drought?

(A) Forests prevent soil erosion.

(B) Rainfall comes from forests. ✔

(C) Many aquatic plants are found in forests.

(D) Forests act as water cover.

72. What is the proper sequence of the food chain in organisms?

(A) Grass→Wolf→Deer→Serpent

(B) Bacterial Grass→Rabbit→Wolf

(C) Grass → Insect-bird → Snake ✔

(D) Grass → Insect → Deer → Snake

73. Which of the following is an independent nitrogen fixing bacterium present in the soil?

(A) Azotobacter ✔

(B) Nitrosomonas

(C) Rhizobium

(D) Pseudomonas

74. What is ASTROSAT?

(A) A recently discovered fast-moving planet

(B) astronomical satellites

(C) an asteroid (ASTERIOD) ✔

(D) Airplane for meteorological study

75. Which one type of organism is found at more than one trophic level in a pond ecosystem?

(A) phytoplankton

(B) fish ✔

(C) zooplankton

(D) Frog

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Santosh Nalawade

Work as Assistant Professor and Web Developer.

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