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. 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 remove parasites from other individuals

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

d.To reinforce social bonds

2. Anthropogenic is a _______-

a.Both a and b

b.Modified Environment

c.Natural Environment

d.None to fhe above

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

a.Harmony

b.Variation

c.Homogeneity

d.Unimited access to resource

4. In which year was the Green Revolution started ?

a.1978

b.1965

c.1980

d.1977

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

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

b.A disputed National Election

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

d.A country claming to own the moon

6. What sort of data describes meaning and experience?

a.Qualitative

b.Quantitive

c.Nomothetic

d.Idiographic

7. 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.Terrace Farming

b.Intercropping

c.Mulching

d.Rock dam

8. Advantages of green revolution

a. It increases the production of the crops

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

c.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.

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

9. What is the benefit of rain water storage?

a.Respite from floods

b.Protection from soil erosion

c.Reduce the scarcity of water

d.Recharging ground water level

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

a.They have a different diet

b.They have a lower level of sexual activity

c.They live in large communities

d.The females exclusively mate one gorilla

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

a.Decreased rate of photosynthesis in vegetation

b.Loss of fertile delta region as for agriculture

c.Increase frequency of hurricanes

d.Shrinking of the polar ice regions

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

a.Rier

b.Polar Region

c.Tropical Region

d.Desert

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

a.5th June

b.1st December

c.1st October

d.1st May

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

a.50,000

b.2.5 Million

c.50 million

d.250,000

15. What sort of data describes numerical data?

a.Nomothetic

b.Qualitative

c.Idiographic

d.Quantitive

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

a.Natural Selection

b.Versatility

c.Evolution

d.Survival of the fittest

17. What is 'HYV'

a.Higer yeild variety

b.High yielding crops

c.Decreased yielding variety

d.High yielding variety

18. The Ozone hole over Antarctica was discovered in

a.1987

b.1978

c.1975

d.1985

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

a.Some of the statement is true but not completely

b.FALSE

c.TRUE

d.Some of the Statement is false but not completely

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

a.HCI

b.None of the above

c.Stack Gases

d.Flue gases

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

a.Montreal

b.Florida

c.Geneva

d.Osaka

22. During Inversion:

a.Temperature remians constant

b.Temperature increases with altitude

c.None of the above

d.Temerature decreases with altitudfe

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

a.poor implementation

b.All of these

c.Shortcoming in legislation

d.Lack of political will

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

a.Technological improvement

b.Increase resources

c.reduced inequality

d.Increase land erosion

25. Land reforms policies in India have met with

a.Tremendous success

b.Limited success

c.None of the above

d.Complete failure

26. Which has the maximum rate of deforestation?

a.Northern Forest

b.Desert Zone

c.Temperate Zone

d.Tropical Zone

27. 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 and 3

c.1,2 and 4

d.1 and 4

28. Cast iron pipes are generally preferred to, because

a.All of the above

b.Of longer life

c.Of moderate cost

d.Of ease to join

29. Transportation cost of trade affects:

a.Boundries bwteen tradable and non-tradable goods

b.All of the above

c.Global supply chains

d.Pattern of trade

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

a.Refraction

b.Insolation

c.Radiation

d.Reflection

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

a.Wind

b.Conditions of sunlights

c.Availability of water

d.Temperature variation

32. The Earth summit was organised by

a.UNCED

b.WHO

c.UNICEF

d.UNESCO

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

a.Electrolytic zone

b.Autotrophic zone

c.Heterotrophic zone

d.Schutzdecke zone

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

a.Carbon Dioxide

b.Carbon Monoxide

c.Nitrogen Dioxide

d.Nitrogen

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

a.The quality of fresh water

b.All of the above

c.Ozone depletion

d.Deforestation

36. The largest ecosystem of earth is

a.Biome

b.Biosphere

c.Hydrospere

d.Lithosphere

37. The yield rates of crops between 1950 and 1998

a.None of the above

b.Dramatically increased

c.Dramitically declined

d.Slighlty declined

38. The cause of reduction of forest coverage is

a.Manufacturing Industry

b.Tourism and Pilgrimage

c.Agriculture

d.Rising Population

39. 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.Contour barriers

b.Shelter belts

c.Mulching

d.Rock dam

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

a.Toronto

b.Montreal

c.London

d.Italy

41. Disadvantages of green revolution

a.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.

b.It increases the production of the crops

c.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.

d.It decreases the production of the crops

42. Which of the following is an air pollutant?

a.Nitrogen

b.Carbon Dioxide

c.Oxygen

d.Carbon Monoxide

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

a.Carbon sequestration

b.Lack of clean water

c.Winter kill

d.Biodiversity

44. 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

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

a.Sugar

b.Beef

c.Meat of Goat

d.Pork

46. 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.First Plan

d.Second Plan

47. Altruism can be defined as

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

b.Working together for a common goal

c.Ensuring that all individuals have equal access to resources

d.Buying patronising Band Aid records at Christmas

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

a.Allows private ownership of capital

b.Conducts trade with other countries

c.Has fixed exchange rates

d.Has flexible exchange rates

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

a.Water Hyacinth

b.Both b and c

c.Elephant Grass

d.Parthenium

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

a.Biosphere

b.Lithosphere

c.Hydrosphere

d.Total Wild life

51. 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

52. 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

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

a.Dissolution

b.None of the above

c.Oxidation

d.Hydrolysis

54. EL-Nino is

a.Trophical Disturbance

b.Another name of Typhoon

c.Warm Ocean Current

d.Sea Storm

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

a.Ethnocentrism

b.Anthropocentrism

c.Narcissim

d.Egocentrism

56. The environmental lapse rate is found to be:

a. 6.5°C/km

b. 8.6°C/km

c.– 6.5°C/km

d. 5.6°C/km

57. The demographic transition is

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

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

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

d.None of the above is correct

58. Soil colloidal particle shows the phenomena

a.All of the above

b.Plasticity

c.Flocculation

d.Adhesion and Cohension

59. Long path optical measurement uses _____________

a.Both a and b

b.None of the above

c.Ultraviolet radiation

d.IR Radiation

60. What was the green revolution based on ?

a.Introduction of new plant varietiees

b.Planting of trees

c.Planting more trees

d.Crop Production

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

a.Product design and quality

b.The introduction of new products

c.All of the above

d.Product price

62. Rio Summit is associated with

a.Green House Gases

b.Convention on Biological Diversity

c.Ozone depletion

d.Wet Lands

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

a.Thermal Pollution

b.Water Pollution

c.Soil Pollution

d.Noise pollution

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

a.Eurpoean Court of Justice (ECJ)

b.International Criminal Court (ICC)

c.Permanent court of International Justice (PCIJ)

d.International Court of Justice (ICJ)

65. The concept of survival of the fittest refers to

a.The individuals who work out the most

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

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

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

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

a.The opinions of international legal experts

b.International Treaties

c.Custom

d.Verdicts of the International Criminal court (ICC)

67. 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.Contour barriers

b.Rock dam

c.Terrace Farming

d.Mulching

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

a.The Heckscher-Ohlin theory

b.The theory of mercantilism

c.The theory of absolute advantage

d.The theory of comparative advantage

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

a.Carbon monoxide

b.Oxygen

c.Water Vapour

d.Chlorofluorocarbon

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

a.15 ppm

b.10 ppm

c.45 ppm

d.30 ppm

71. 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.4, 1, 2, 3

b.1, 4, 3, 2

c.4, 1, 3, 2

d.1,4, 2, 3

72. VOC stands for _______________

a.Virtual organic carriage

b.Varying organic components

c.Volatile organic components

d.Viable organic components

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

a.Consumers across countries will have identical and homogenous tastes

b.All of the above

c.Countries will have same relative endowments of production factors

d.There will be no distortions or externalities

74. What are the four factor endowments?

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

b.Types of technology

c.International differences in climate

d.Material inputs used up in the process of production

75. 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.8

b.16

c.32

d.64

76. The scope of land reforms does not include-

a.Intermediaries removal

b.All above

c.Tenancy reforms

d.Land reforms can encompass law

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

a.Sulphur tera Oxide

b.Sulphur tetra oxide

c.Ozone

d.Sulphur dioxide

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

a.Carbon monoxide

b.Sulphur dioxide

c.Carbon Dioxide

d.Nitrous dioxide

79. When was the World Wildlife Fund founded?

a.1992

b.1965

c.1969

d.1961

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

a.Critical Theory

b.Marxism

c.Liberalism

d.Realism

81. Global warming is expected to result in

a.Increase in sea level

b.Change in coastal line

c.All of these

d.Change in crop pattern

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

a.All of the above

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

c.Rapid labour fore growth

d.Diminshing returns to natural resources

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

a.Between 15% and 2%

b.More than 2 %

c.Less than 1

d.Between 1% and 15%

84. Carbonates in water produce

a.Both a and b

b.Temporary hardness

c.Acidity

d.Permanent hardness

85. The air pollutants are mainly classified as____________

a.Primary and secondary pollutants

b.Point source and non-point source

c.None of the above

d.Natural or anthripogennic pollutants

86. How is comparative advantage defined?

a.How the world actually works

b.To produce and consume all goods without trade

c.Globalisation, growing economic linkages among countries

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

87. The phenomenon slickenside found in which soil

a.Gelisol

b.Spodosa

c.Inceptisol

d.Vertisol

88. 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.Ecological system

c.Local plants

d.Human Resource

89. 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.Ecological balance

d.Conservation of wild

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

a.Natural gas

b.Atomic Power

c.Hydro Electric power

d.Thermal Power

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

a.Corn

b.Onion

c.Potato

d.Tomato

92. Sustainable development means maximising

a.Income inequality

b.The productivity of produced assets

c.None of the above

d.Economic growth

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

a.Industrial Tributaties

b.Automobile Laxity

c.Herbicide and Insecticide

d.Sewage and Garbage

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

a.Tidal Flat

b.Equatorial

c.Mixed

d.Monsoon

95. Which fertiliser produce acidity in soil

a.Sodium nitrate

b.Calcium ammonium nitrate

c.Ammonium sulphate

d.Calcium notrate

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

a.Desert Ecosystem

b.Grassland Ecosystem

c.Marine Ecosystem

d.Mountain Ecosystem

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

a.Industrial CO₂ emissions

b.All of the mentioned

c.Human made CO₂ emissions

d.Natural CO₂ emissions

98. Quantity of soil to be taken for texture analysis

a.30g

b.40g

c.20g

d.10g

99. Nitrogen oxide affects human health by__________

a.Causing irritation to the eyes and skin

b.Decreasing blood's ability to transport oxygen

c.None of the above

d.Aggravating asthma Problem

100. Environment includes

a.Abiotic and iotic component

b.Abiotic Component

c.Oxygen and Nitrogen

d.Biotic component

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

a.Carbon Dioxide

b.Carbon Monoxide

c.Freon

d.Chlorofluorocarbon

Environment Science MCQ Question Answers – 100 MCQs for Practice

Environment Science MCQ Question Answers for Various Entrance Exams

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