CUET 2023 Environment Science MCQs for Practice

Environment Science MCQ Question Answers for CUET 2023

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 2023 exam pattern and other entrance exams, so that you can have a fair idea about exam trends that will be followed for various entrance exams.

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

a.Elephant Grass

b.Both b and c

c.Parthenium

d.Water Hyacinth

2. The concept of survival of the fittest refers to

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

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

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

d.The individuals who work out the most

3. 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

4. The Ozone hole over Antarctica was discovered in

a.1985

b.1975

c.1987

d.1978

5. Which of the following is an air pollutant?

a.Nitrogen

b.Oxygen

c.Carbon Dioxide

d.Carbon Monoxide

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

a.Freon

b.Carbon Monoxide

c.Chlorofluorocarbon

d.Carbon Dioxide

7. The yield rates of crops between 1950 and 1998

a.Dramatically increased

b.None of the above

c.Dramitically declined

d.Slighlty declined

8. Altruism can be defined as

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

b.Ensuring that all individuals have equal access to resources

c.Working together for a common goal

d.Buying patronising Band Aid records at Christmas

9. 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.32

c.64

d.16

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

a.50 million

b.250,000

c.50,000

d.2.5 Million

11. Environment includes

a.Abiotic and iotic component

b.Biotic component

c.Oxygen and Nitrogen

d.Abiotic Component

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

a.Stack Gases

b.HCI

c.None of the above

d.Flue gases

13. 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.Local plants

b.Human Resource

c.Climate

d.Ecological system

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

a.To reinforce social bonds

b.To stimulate sexual activity

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

d. To remove parasites from other individuals

15. The environmental lapse rate is found to be:

a. 5.6°C/km

b. 8.6°C/km

c. 6.5°C/km

d.– 6.5°C/km

16. Which fertiliser produce acidity in soil

a.Sodium nitrate

b.Ammonium sulphate

c.Calcium notrate

d.Calcium ammonium nitrate

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

a.Potato

b.Tomato

c.Corn

d.Onion

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

a.Increase frequency of hurricanes

b.Loss of fertile delta region as for agriculture

c.Decreased rate of photosynthesis in vegetation

d.Shrinking of the polar ice regions

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

a.Carbon monoxide

b.Oxygen

c.Chlorofluorocarbon

d.Water Vapour

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

a.Meat of Goat

b.Beef

c.Pork

d.Sugar

21. What is the benefit of rain water storage?

a.Reduce the scarcity of water

b.Respite from floods

c.Protection from soil erosion

d.Recharging ground water level

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

a.1,2 and 4

b.1 and 4

c.2, 3 and 4

d.1 and 3

23. The phenomenon slickenside found in which soil

a.Gelisol

b.Inceptisol

c.Spodosa

d.Vertisol

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

a.Italy

b.Montreal

c.London

d.Toronto

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

a.All of the above

b.The introduction of new products

c.Product design and quality

d.Product price

26. Land reforms policies in India have met with

a.Complete failure

b.None of the above

c.Limited success

d.Tremendous success

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

a.Desert

b.Polar Region

c.Rier

d.Tropical Region

28. Advantages of green revolution

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

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

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

a.45 ppm

b.15 ppm

c.30 ppm

d.10 ppm

30. The largest ecosystem of earth is

a.Lithosphere

b.Hydrospere

c.Biome

d.Biosphere

31. Which has the maximum rate of deforestation?

a.Northern Forest

b.Desert Zone

c.Tropical Zone

d.Temperate Zone

32. The scope of land reforms does not include-

a.Land reforms can encompass law

b.All above

c.Tenancy reforms

d.Intermediaries removal

33. 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.Carbon Dioxide

d.Sulphur dioxide

34. Disadvantages 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 increases 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.It decreases the production of the crops

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

a.Some of the Statement is false but not completely

b.TRUE

c.Some of the statement is true but not completely

d.FALSE

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

a.Less than 1

b.More than 2 %

c.Between 15% and 2%

d.Between 1% and 15%

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

a.International Court of Justice (ICJ)

b.Eurpoean Court of Justice (ECJ)

c.International Criminal Court (ICC)

d.Permanent court of International Justice (PCIJ)

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

a.Noise pollution

b.Thermal Pollution

c.Water Pollution

d.Soil Pollution

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

a.Tidal Flat

b.Equatorial

c.Mixed

d.Monsoon

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

a.Ozone

b.Sulphur tera Oxide

c.Sulphur dioxide

d.Sulphur tetra oxide

41. What sort of data describes numerical data?

a.Qualitative

b.Quantitive

c.Idiographic

d.Nomothetic

42. 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.Mulching

c.Rock dam

d.Intercropping

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

a.Nitrogen Dioxide

b.Carbon Monoxide

c.Carbon Dioxide

d.Nitrogen

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

a.All of these

b.Shortcoming in legislation

c.poor implementation

d.Lack of political will

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

a.Heterotrophic zone

b.Electrolytic zone

c.Schutzdecke zone

d.Autotrophic zone

46. What was the green revolution based on ?

a.Introduction of new plant varietiees

b.Planting of trees

c.Planting more trees

d.Crop Production

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

a.First Plan

b.Second Plan

c.Fourth Plan

d.Third Plan

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

a.Thermal Power

b.Natural gas

c.Atomic Power

d.Hydro Electric power

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

a.Total Wild life

b.Lithosphere

c.Hydrosphere

d.Biosphere

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

a.5th June

b.1st December

c.1st May

d.1st October

51. Anthropogenic is a _______-

a.Natural Environment

b.Modified Environment

c.Both a and b

d.None to fhe above

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

a.Deforestation

b.All of the above

c.The quality of fresh water

d.Ozone depletion

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

a.Human made CO₂ emissions

b.All of the mentioned

c.Industrial CO₂ emissions

d.Natural CO₂ emissions

54. What is 'HYV'

a.High yielding crops

b.Decreased yielding variety

c.Higer yeild variety

d.High yielding variety

55. Cast iron pipes are generally preferred to, because

a.Of longer life

b.All of the above

c.Of ease to join

d.Of moderate cost

56. Long path optical measurement uses _____________

a.Both a and b

b.None of the above

c.Ultraviolet radiation

d.IR Radiation

57. 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

58. 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.China

d.India

59. Nitrogen oxide affects human health by__________

a.Decreasing blood's ability to transport oxygen

b.Aggravating asthma Problem

c.None of the above

d.Causing irritation to the eyes and skin

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

a.Industrial Tributaties

b.Automobile Laxity

c.Sewage and Garbage

d.Herbicide and Insecticide

61. 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 country claming to own the moon

c.A disputed National Election

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

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

a.Biodiversity

b.Winter kill

c.Lack of clean water

d.Carbon sequestration

63. In which year was the Green Revolution started ?

a.1965

b.1980

c.1977

d.1978

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

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

b.Rapid labour fore growth

c.All of the above

d.Diminshing returns to natural resources

65. 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.Terrace Farming

c.Rock dam

d.Mulching

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

a.Variation

b.Harmony

c.Unimited access to resource

d.Homogeneity

67. What are the four factor endowments?

a.Types of technology

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

c.Material inputs used up in the process of production

d.International differences in climate

68. What sort of data describes meaning and experience?

a.Qualitative

b.Nomothetic

c.Idiographic

d.Quantitive

69. Sustainable development means maximising

a.The productivity of produced assets

b.None of the above

c.Economic growth

d.Income inequality

70. Soil colloidal particle shows the phenomena

a.All of the above

b.Adhesion and Cohension

c.Flocculation

d.Plasticity

71. The cause of reduction of forest coverage is

a.Manufacturing Industry

b.Tourism and Pilgrimage

c.Agriculture

d.Rising Population

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

a.Liberalism

b.Marxism

c.Critical Theory

d.Realism

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

a.Increase land erosion

b.reduced inequality

c.Increase resources

d.Technological improvement

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

a.Industries that sell to only foreign buyers

b.Industries in which there are neither imports nor exports

c. Industries that sell to domestic and foreign buyers

d.Import-competing industries

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

a.The opinions of international legal experts

b.Verdicts of the International Criminal court (ICC)

c.International Treaties

d.Custom

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

a.Survival of the fittest

b.Versatility

c.Natural Selection

d.Evolution

77. The Earth summit was organised by

a.UNESCO

b.UNCED

c.UNICEF

d.WHO

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

a.Temperature variation

b.Wind

c.Conditions of sunlights

d.Availability of water

79. Quantity of soil to be taken for texture analysis

a.10g

b.30g

c.40g

d.20g

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

a.Osaka

b.Florida

c.Montreal

d.Geneva

81. During Inversion:

a.Temerature decreases with altitudfe

b.Temperature increases with altitude

c.Temperature remians constant

d.None of the above

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

a.Insolation

b.Reflection

c.Radiation

d.Refraction

83. How is comparative advantage defined?

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

b.How the world actually works

c.Globalisation, growing economic linkages among countries

d.To produce and consume all goods without trade

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

a.Less than 300 ppm

b.Less than 500 ppm

c.Less than 100 ppm

d.Less than 700 ppm

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

a.Consumers across countries will have identical and homogenous tastes

b.Countries will have same relative endowments of production factors

c.All of the above

d.There will be no distortions or externalities

86. EL-Nino is

a.Another name of Typhoon

b.Warm Ocean Current

c.Sea Storm

d.Trophical Disturbance

87. 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.The females exclusively mate one gorilla

d.They live in large communities

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

a.The Heckscher-Ohlin theory

b.The theory of absolute advantage

c.The theory of mercantilism

d.The theory of comparative advantage

89. VOC stands for _______________

a.Varying organic components

b.Volatile organic components

c.Viable organic components

d.Virtual organic carriage

90. Carbonates in water produce

a.Permanent hardness

b.Acidity

c.Temporary hardness

d.Both a and b

91. 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.Rock dam

c.Mulching

d.Shelter belts

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

a.Ecological balance

b.Absorption of carbon dioxide

c.Conservation of wild

d.More rain

93. Rio Summit is associated with

a.Wet Lands

b.Ozone depletion

c.Green House Gases

d.Convention on Biological Diversity

94. When was the World Wildlife Fund founded?

a.1992

b.1969

c.1965

d.1961

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

a.Grassland Ecosystem

b.Marine Ecosystem

c.Desert Ecosystem

d.Mountain Ecosystem

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

a.Has fixed exchange rates

b.Has flexible exchange rates

c.Conducts trade with other countries

d.Allows private ownership of capital

97. Transportation cost of trade affects:

a.Boundries bwteen tradable and non-tradable goods

b.Global supply chains

c.Pattern of trade

d.All of the above

98. 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.4, 1, 2, 3

c.4, 1, 3, 2

d.1,4, 2, 3

99. The air pollutants are mainly classified as____________

a.Natural or anthripogennic pollutants

b.Point source and non-point source

c.Primary and secondary pollutants

d.None of the above

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

a.Hydrolysis

b.None of the above

c.Oxidation

d.Dissolution

101. Global warming is expected to result in

a.All of these

b.Increase in sea level

c.Change in coastal line

d.Change in crop pattern

CUET 2023 Environment Science MCQ Question Answers – 100 MCQs for Practice

Environment Science MCQ Question Answers for CUET 2023

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