Environment Science MCQs for Practice

Environment Science MCQ Question Answers for Various Entrance Exams

Environment Science MCQs– Practice the Environment Science MCQs suitable for various Entrance Exams including CUET. Learn and practice Environment Science questions and answers. Environment Science MCQ questions are very helpful for various competitive exams. CUET is a Common University Entrance Test that is now mandatory to take admission to Central Universities in India. Environment Science MCQ questions are based on the latest CUET exam pattern 2022 and other entrance exams, so that you can have a fair idea about exam trends that will be followed for various entrance exams.

1. How many of your first cousins (your uncle and aunt's children) would need to survive to maintain the genetic presence in the world as you?

a.64

b.8

c.32

d.16

2. Land reforms policies in India have met with

a.Complete failure

b.Tremendous success

c.Limited success

d.None of the above

3. Altruism can be defined as

a.Working together for a common goal

b.An act that benefits the recipient at a cost to the donor

c.Ensuring that all individuals have equal access to resources

d.Buying patronising Band Aid records at Christmas

4. Nitrogen oxide affects human health by__________

a.None of the above

b.Causing irritation to the eyes and skin

c.Aggravating asthma Problem

d.Decreasing blood's ability to transport oxygen

5. What sort of data describes numerical data?

a.Qualitative

b.Nomothetic

c.Quantitive

d.Idiographic

6. What is 'HYV'

a.High yielding crops

b.Higer yeild variety

c.Decreased yielding variety

d.High yielding variety

7. Carbonates in water produce

a.Temporary hardness

b.Acidity

c.Permanent hardness

d.Both a and b

8. Which of these is the chief court of the UN?

a.International Criminal Court (ICC)

b.Eurpoean Court of Justice (ECJ)

c.Permanent court of International Justice (PCIJ)

d.International Court of Justice (ICJ)

9. Which of the following aquatic plants is effective in preventing the water-pollution caused by industrial waste?

a.Both b and c

b.Water Hyacinth

c.Parthenium

d.Elephant Grass

10. The yield rates of crops between 1950 and 1998

a.None of the above

b.Dramatically increased

c.Slighlty declined

d.Dramitically declined

11. The Biosphere is a region of earth which supports life. It includes- 1.Hydrosphere, 2.Lithosphere, 3.Stratosphere, 4.Troposphere

a.2, 3 and 4

b.1,2 and 4

c.1 and 3

d.1 and 4

12. What type of chemical weathering is enhanced by acid rain?

a.Hydrolysis

b.Dissolution

c.Oxidation

d.None of the above

13. EL-Nino is

a.Trophical Disturbance

b.Another name of Typhoon

c.Warm Ocean Current

d.Sea Storm

14. International Trade is most likely to generate short-term unemployment in:

a. Industries that sell to domestic and foreign buyers

b.Industries that sell to only foreign buyers

c.Import-competing industries

d.Industries in which there are neither imports nor exports

15. The nitrate concentration in domestic water supplies, is generally limited to

a.15 ppm

b.45 ppm

c.10 ppm

d.30 ppm

16. Which of the following is a renewable source of energy?

a.Atomic Power

b.Thermal Power

c.Hydro Electric power

d.Natural gas

17. The largest ecosystem of earth is

a.Biosphere

b.Hydrospere

c.Biome

d.Lithosphere

18. The cause of reduction of forest coverage is

a.Manufacturing Industry

b.Rising Population

c.Agriculture

d.Tourism and Pilgrimage

19. What was the first economic theory of international trade to be developed?

a.The theory of absolute advantage

b.The Heckscher-Ohlin theory

c.The theory of comparative advantage

d.The theory of mercantilism

20. The basic purpose of introducing land reforms has been adversely affected due to

a.Lack of political will

b.All of these

c.poor implementation

d.Shortcoming in legislation

21. The demographic transition is

a.The period between preindustrial and modern equality of crude birth and death rates

b.The period when both crude birth and death rates rise

c.None of the above is correct

d.The period when crude birth and death rates are equal

22. The Ozone hole over Antarctica was discovered in

a.1985

b.1975

c.1978

d.1987

23. Among the following climatic factors, which one has the least effect upon a terrestrial ecosystem?

a.Conditions of sunlights

b.Availability of water

c.Temperature variation

d.Wind

24. Anthropogenic is a _______-

a.Natural Environment

b.Modified Environment

c.None to fhe above

d.Both a and b

25. In order for natural selection to occur, what must there be amongst individuals of each generation?

a.Homogeneity

b.Unimited access to resource

c.Variation

d.Harmony

26. Male gorillas have relatively small testicles compared to those of a chimpanzee because

a.They live in large communities

b.They have a lower level of sexual activity

c.They have a different diet

d.The females exclusively mate one gorilla

27. During Inversion:

a.Temperature remians constant

b.Temperature increases with altitude

c.Temerature decreases with altitudfe

d.None of the above

28. Disadvantages of green revolution

a.It increases the production of the crops

b.It decreases the production of the crops

c.As the water and soil from the farming land are ruined either due to rain or flood, all the toxic content of pesticides and other chemicals present in the soil gets mixed with the nearby water source which leads to the death of aquatic organisms, mostly fish.

d.In order to protect crops from different types of disease caused by pest as well as the damages caused by insects, the farmers started using pesticides and insecticides at a high amount.

29. What sort of data describes meaning and experience?

a.Quantitive

b.Qualitative

c.Nomothetic

d.Idiographic

30. Due to growing demand of which of the following product, tropical forest are being damaged the most

a.Pork

b.Meat of Goat

c.Beef

d.Sugar

31. World Environmental day is celebrated on ________ every year.

a.1st December

b.1st October

c.5th June

d.1st May

32. Which of the following types of pollution is Cultural eutrophication?

a.Soil Pollution

b.Thermal Pollution

c.Water Pollution

d.Noise pollution

33. Which fertiliser produce acidity in soil

a.Sodium nitrate

b.Calcium ammonium nitrate

c.Calcium notrate

d.Ammonium sulphate

34. Sustainable development means maximising

a.Economic growth

b.Income inequality

c.None of the above

d.The productivity of produced assets

35. A no-trade world will have which of the following characteristics

a.There will be no distortions or externalities

b.Consumers across countries will have identical and homogenous tastes

c.All of the above

d.Countries will have same relative endowments of production factors

36. Which of the following environments supports the growth of Mangrove Swamp?

a.Monsoon

b.Tidal Flat

c.Mixed

d.Equatorial

37. The Earth summit was organised by

a.UNICEF

b.UNESCO

c.WHO

d.UNCED

38. What are the four factor endowments?

a.National resources, labour, physical capital and human capital

b.Material inputs used up in the process of production

c.International differences in climate

d.Types of technology

39. Quantity of soil to be taken for texture analysis

a.20g

b.40g

c.10g

d.30g

40. Which of the following is not poisonous to humans?

a.Stack Gases

b.Flue gases

c.None of the above

d.HCI

41. Environment includes

a.Oxygen and Nitrogen

b.Biotic component

c.Abiotic and iotic component

d.Abiotic Component

42. If a nation has an open economy it means that the nation:

a.Allows private ownership of capital

b.Has flexible exchange rates

c.Has fixed exchange rates

d.Conducts trade with other countries

43. Soil is eroded heavily due to deforestation, it affects the flowing of surface water badly. Which of the following is badly affected by these causes

a.Climate

b.Human Resource

c.Ecological system

d.Local plants

44. The first protocol to ban the emissions of chlorofluorocarbons in the atmosphere was made in

a.Montreal

b.Geneva

c.Florida

d.Osaka

45. Global warming is expected to result in

a.All of these

b.Change in crop pattern

c.Increase in sea level

d.Change in coastal line

46. In which year was the Green Revolution started ?

a.1980

b.1977

c.1978

d.1965

47. What is the benefit of rain water storage?

a.Recharging ground water level

b.Respite from floods

c.Protection from soil erosion

d.Reduce the scarcity of water

48. How is comparative advantage defined?

a.To produce and consume all goods without trade

b.How the world actually works

c.You produce the things you are especially good at, and buy from others, the goods you are less efficient in producing.

d.Globalisation, growing economic linkages among countries

49. Where is the secretariat of the Conference on Biological Diversity?

a.Italy

b.London

c.Toronto

d.Montreal

50. Which of the following is an important Greenhouse Gas?

a.Carbon Dioxide

b.Freon

c.Carbon Monoxide

d.Chlorofluorocarbon

51. The concept of survival of the fittest refers to

a. The individuals who are the strongest and most likely to survive

b.The individuals who work out the most

c.The individuals who have characteristics that make them more attractive and hence more likely to get a mate

d.The individuals who have characteristics that fit in best to the environment

52. What are some of the costs of a high fertility rate and rapid population growth?

a.All of the above

b.Diminshing returns to natural resources

c.Rapid labour fore growth

d.increase in the ration of depenedent to working age population

53. For which of the following reasons, it is necessary to secure a large area for forest?

a.More rain

b.Absorption of carbon dioxide

c.Conservation of wild

d.Ecological balance

54. Among the following, the only secondary pollutant is:

a.Sulphur dioxide

b.Sulphur tetra oxide

c.Ozone

d.Sulphur tera Oxide

55. Which of the following has maximum bio-diversity?

a.Rier

b.Tropical Region

c.Desert

d.Polar Region

56. What is the ecological system integrating all living beings and their relationships?

a.Lithosphere

b.Biosphere

c.Hydrosphere

d.Total Wild life

57. What is the cause of the ‘Greenhouse effect’?

a.Carbon Monoxide

b.Nitrogen

c.Carbon Dioxide

d.Nitrogen Dioxide

58. What does the phrase “anthropogenic CO₂ emissions” mean?

a.Natural CO₂ emissions

b.Human made CO₂ emissions

c.Industrial CO₂ emissions

d.All of the mentioned

59. Which of these is not an official source of Public International Law?

a.Verdicts of the International Criminal court (ICC)

b.Custom

c.The opinions of international legal experts

d.International Treaties

60. The environmental lapse rate is found to be:

a. 6.5°C/km

b. 8.6°C/km

c. 5.6°C/km

d.– 6.5°C/km

61. International trade forces domestic firms to become more competitive in terms of

a.Product price

b.The introduction of new products

c.Product design and quality

d.All of the above

62. Which of these political issues does not fall under Public International Law?

a.Mining on the seabed of an ocean outside of territorial waters

b.A Policeman torturing a criminal suspect in a acountry where this is not considered illegal

c.A country claming to own the moon

d.A disputed National Election

63. Soil colloidal particle shows the phenomena

a.Flocculation

b.All of the above

c.Plasticity

d.Adhesion and Cohension

64. Being able to adapt to changes in the environment is referred to as what?

a.Evolution

b.Versatility

c.Survival of the fittest

d.Natural Selection

65. Which one of the following ecosystems covers the largest area of the earth’s surface?

a.Grassland Ecosystem

b.Desert Ecosystem

c.Mountain Ecosystem

d.Marine Ecosystem

66. The scope of land reforms does not include-

a.All above

b.Land reforms can encompass law

c.Intermediaries removal

d.Tenancy reforms

67. Which is the first zone of purification in a sand bed?

a.Schutzdecke zone

b.Autotrophic zone

c.Heterotrophic zone

d.Electrolytic zone

68. What was the green revolution based on ?

a.Crop Production

b.Planting more trees

c.Introduction of new plant varietiees

d.Planting of trees

69. The air pollutants are mainly classified as____________

a.None of the above

b.Natural or anthripogennic pollutants

c.Primary and secondary pollutants

d.Point source and non-point source

70. The radiant energy received by the Earth from the sun is

a.Refraction

b.Reflection

c.Insolation

d.Radiation

71. The evolution of hominids is generally believed to have begun around how many years ago?

a.250,000

b.50 million

c.50,000

d.2.5 Million

72. When was the World Wildlife Fund founded?

a.1969

b.1961

c.1992

d.1965

73. The method of soil conservation in which different crops are grown in alternate rows and are sown at different times to protect the soil from rain wash is called?

a.Rock dam

b.Mulching

c.Terrace Farming

d.Intercropping

74. What term describes the idea that humans consider themselves to have a superior and fundamental place in the universe?

a.Ethnocentrism

b.Egocentrism

c.Anthropocentrism

d.Narcissim

75. Which of the following plants is extremely sensitive towards sulphur dioxide?

a.Onion

b.Potato

c.Corn

d.Tomato

76. Which of the following is a major health consequence of environmental degradation, especially in developing countries?

a.Winter kill

b.Lack of clean water

c.Biodiversity

d.Carbon sequestration

77. Advantages of green revolution

a.In order to protect crops from different types of disease caused by pest as well as the damages caused by insects, the farmers started using pesticides and insecticides at a high amount.

b.It explains the modern farming method ,example, irrigation method,

c.The usage of a high quantity of pesticides and insecticides affects the plants

d. It increases the production of the crops

78. VOC stands for _______________

a.Viable organic components

b.Varying organic components

c.Volatile organic components

d.Virtual organic carriage

79. The correct sequence in decreasing order of the albedo values of these ecosystem is::,1. Taiga,2. Tropical evergreen,3. Tropical deciduous,4. Tundra

a.1, 4, 3, 2

b.1,4, 2, 3

c.4, 1, 3, 2

d.4, 1, 2, 3

80. What is the biggest source of pollution in the world?

a.Herbicide and Insecticide

b.Automobile Laxity

c.Industrial Tributaties

d.Sewage and Garbage

81. Which of the following reduces the planet’s carrying capacity?

a.Increase land erosion

b.Increase resources

c.Technological improvement

d.reduced inequality

82. Of the solar energy coming into the Biosphere, what percentage of it is actually used in photosynthesis?

a.Between 15% and 2%

b.Less than 1

c.Between 1% and 15%

d.More than 2 %

83. Many primates engage in social grooming, which is a very time-consuming activity. The main function of this is

a.To stimulate sexual activity

b.To reinforce social bonds

c.To ensure the good health of all members of the group

d. To remove parasites from other individuals

84. Which has the maximum rate of deforestation?

a.Northern Forest

b.Tropical Zone

c.Desert Zone

d.Temperate Zone

85. According to the United Nations, the world’s major environmental problems include:

a.All of the above

b.Ozone depletion

c.The quality of fresh water

d.Deforestation

86. Transportation cost of trade affects:

a.Pattern of trade

b.All of the above

c.Boundries bwteen tradable and non-tradable goods

d.Global supply chains

87. Which of the following is an air pollutant?

a.Nitrogen

b.Oxygen

c.Carbon Dioxide

d.Carbon Monoxide

88. Which of the following represents the allowed rate of CO₂?

a.Less than 500 ppm

b.Less than 300 ppm

c.Less than 700 ppm

d.Less than 100 ppm

89. Ozone depletion is caused due to increase in the level of

a.Oxygen

b.Carbon monoxide

c.Chlorofluorocarbon

d.Water Vapour

90. Which of the following gas affects human health by reducing the blood’s ability to carry oxygen to different parts of the body?

a.Nitrous dioxide

b.Carbon monoxide

c.Sulphur dioxide

d.Carbon Dioxide

91. The first authoritative exposition of the national policy on tenancy reform is found in the document of the

a.Third Plan

b.Fourth Plan

c.Second Plan

d.First Plan

92. Long path optical measurement uses _____________

a.Both a and b

b.Ultraviolet radiation

c.None of the above

d.IR Radiation

93. Cast iron pipes are generally preferred to, because

a.Of ease to join

b.Of longer life

c.Of moderate cost

d.All of the above

94. Long path optical measurement has a range of several kilometres.

a.FALSE

b.Some of the Statement is false but not completely

c.Some of the statement is true but not completely

d.TRUE

95. The phenomenon slickenside found in which soil

a.Inceptisol

b.Vertisol

c.Gelisol

d.Spodosa

96. The method of soil conservation in the coastal and dry regions where rows of trees are planted to check the wind movement to protect soil cover is called

a.Rock dam

b.Contour barriers

c.Mulching

d.Shelter belts

97. Which of the following is least likely to be an effect of global warming?

a.Decreased rate of photosynthesis in vegetation

b.Shrinking of the polar ice regions

c.Loss of fertile delta region as for agriculture

d.Increase frequency of hurricanes

98. The ‘natural law’ perspective on international law is most associated with which IR theory

a.Critical Theory

b.Marxism

c.Realism

d.Liberalism

99. The method of soil conservation in which rocks are piled up to slow down the flow of water which prevents gullies and further soil loss is called

a.Mulching

b.Rock dam

c.Contour barriers

d.Terrace Farming

100. Rio Summit is associated with

a.Wet Lands

b.Convention on Biological Diversity

c.Ozone depletion

d.Green House Gases

101. The World’s largest biofuel plant has been established with a production capacity of 100 million litres per year, is located in

a.USA

b.Brazil

c.India

d.China

Environment Science MCQ Question Answers – 100 MCQs for Practice

Environment Science MCQ Question Answers for Various Entrance Exams

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