Which of the following statements is incorrect regarding the conservation of environment?

Lead free petrol in vehicles help in reducing pollution.

Greenpeace is an organisation working to protect the environment by direct action.

Use a bicycle or walk instead of using a car for short trips.

Use of bleach and strong detergents is one of the ways to save the earth from getting polluted.

By which of the following ways can we save water?

Use water that is drained out from the washing machine to wash the toilet.

Keep the tap open while applying soap.

Use water collected from rain to water the plants.

Which of the following is a cause of acid rain?

Releasing of smoke from factories

In a village, farmers use chemical fertilizers in their fields. A considerable increase in soil pollution was noticed as the farming activity intensified. What could be the most likely reason for this ?

Living organisms used in fertilizers are polluting the land.

Chemicals used to destroy weed and pest are polluting the field.

Living organisms used in fertilizers are polluting the land.

Smoke particles from the industry got settled in moist surroundings of the field.

Select the correct pair.

Jim Corbett National park, Uttarakhand - First national park established in India

Western Ghats and Eastern Himalayas - Biodiversity hotspots of India

Greenhouse effect is _______.

Gradual warming of the Milky Way Galaxy

Increase in animal population on earth

A natural process that warms the earth's surface

Gradual warming of the Milky Way Galaxy

Building up of pollution in the atmosphere

Mangroves are salt-tolerant plants of tropical and sub-tropical intertidal regions of the world. They are highly productive but extremely sensitive and fragile. Which of the following statements are true regarding them?

The presence of mangrove ecosystem on coastline saves lives and property during natural hazards such as cyclones and storm surges.

They are breeding, feeding and nursery grounds for many estuarine and marine organisms.

West Bengal has maximum percentage of mangrove cover in India.

Which of the following is not one of the ways to prevent water pollution?

Toxic products like household chemicals and cleaning agents should be stored and disposed properly.

Pills, liquid or powder medications or drugs should not be thrown into the drain.

Farmers should try using natural fertilisers and pesticides.

Cooking oil, ghee, mayonnaise and fats should be poured down the drains.

Which of the following is the largest landfill in the world?

Puente Hills Landfills, Los Angeles

Apex Regional Landfill, Las Vegas

An earthquake of magnitude 3 on Richter scale is _____.

Three times as strong as an earthquake of magnitude 1

Nine times as strong as an earthquake of magnitude 1

Ninety times as strong as an earthquake of magnitude 1

Hundred times as strong as an earthquake of magnitude 1

The increase in Earth's average surface temperature due to the effect of greenhouse gases such as \[\text{C}{{\text{O}}_{\text{2}}}\], and emissions from fossil fuel is known as global warming. What could be the effect of global warming?

There will be melting of polar ice caps.

There will be an increase in crop production.

There will be a rise in sea level.

84 + Mcqs in Our Environment in Science Page 2 McqOptions

51.	Raj is travelling with his father in a car. He asks his father to turn off the engine at red lights in order to conserve a natural resource. Which of the following is being conserved by this activity?
A.	Coal
B.	Water
C.	Fuel
D.	None of these
Answer» D. None of these

Discussion

52.	Which of the following statements is incorrect regarding the conservation of environment?
A.	Lead free petrol in vehicles help in reducing pollution.
B.	Greenpeace is an organisation working to protect the environment by direct action.
C.	Use a bicycle or walk instead of using a car for short trips.
D.	Use of bleach and strong detergents is one of the ways to save the earth from getting polluted.
Answer» E.

Discussion

53.	By which of the following ways can we save water?
A.	Use water that is drained out from the washing machine to wash the toilet.
B.	Keep the tap open while applying soap.
C.	Use water collected from rain to water the plants.
D.	Both (a) and (c)
Answer» E.

Discussion

54.	The given symbol is commonly seen on consumer products such as microwaves, refrigerators and lighting devices. What does this symbol indicates about the product?
A.	Energy-efficient product
B.	Energy-consuming product
C.	Energy-wasting product
D.	None of these
Answer» B. Energy-consuming product

Discussion

55.	Mt. Etna is an example of
A.	Vulnerable volcanoes
B.	Active volcanoes
C.	Extinct volcanoes
D.	Dormant volcanoes
Answer» C. Extinct volcanoes

Discussion

56.	Rearrange the jumbled words to find out the name of a natural disaster which is not present in the given word grid.
A.	UHIRARNCE
B.	HPYONTO
C.	NCOYLEC
D.	SATIUMN
Answer» E.

Discussion

57.	Select the INCORRECT statement about global warming. (i) The average temperature of the Earth's surface is gradually decreasing. (ii) Carbon dioxide, methane and nitrous oxide are responsible for global warming, (iii) The average temperature of the sun's surface is gradually increasing.
A.	(i) only
B.	(i) and (iii) only
C.	(ii) only
D.	(ii) and (iii) only
Answer» C. (ii) only

Discussion

58.	Which of the following is a cause of acid rain?
A.	Volcanic eruption
B.	Burning of fossil fuels
C.	Releasing of smoke from factories
D.	All of these
Answer» E.

Discussion

59.	In a village, farmers use chemical fertilizers in their fields. A considerable increase in soil pollution was noticed as the farming activity intensified. What could be the most likely reason for this ?
A.	Chemicals used to destroy weed and pest are polluting the field.
B.	Living organisms used in fertilizers are polluting the land.
C.	Smoke particles from the industry got settled in moist surroundings of the field.
D.	Both (a) and (c)
Answer» B. Living organisms used in fertilizers are polluting the land.

Discussion

60.	Select the correct pair.
A.	IUCN - Maintains Red Data Book
B.	Jim Corbett National park, Uttarakhand - First national park established in India
C.	Western Ghats and Eastern Himalayas - Biodiversity hotspots of India
D.	All of these
Answer» E.

Discussion

61.	Greenhouse effect is _______.
A.	Increase in animal population on earth
B.	A natural process that warms the earth's surface
C.	Gradual warming of the Milky Way Galaxy
D.	Building up of pollution in the atmosphere
Answer» C. Gradual warming of the Milky Way Galaxy

Discussion

62.	The Silent Valley National Park in Kerala is home to a large population of which endangered primate?
A.	Chimpanzee
B.	Orangutan
C.	Gorilla
D.	Lion-tailed macaque
Answer» E.

Discussion

63.	Select the option which on reshuffling will give the term used for the planting of trees to convert a barren land into a green area.
A.	EDAFIORTEOSNT
B.	GEENRDEADN
C.	OCENVIASNRTO
D.	SAAFTIFEOOTRN
Answer» E.

Discussion

64.	'X' is a vent in Earth's surface that periodically ejects a column of hot water and steam. The formation of it is a rare phenomenon because it is due to particular hydrogeological conditions which exists at few places on Earth. Taupo volcanic zone in New Zealand is one of its examples. Identify 'X'.
A.	Geyser
B.	Aquifer
C.	Uluru
D.	Spring
Answer» B. Aquifer

Discussion

65.	Mangroves are salt-tolerant plants of tropical and sub-tropical intertidal regions of the world. They are highly productive but extremely sensitive and fragile. Which of the following statements are true regarding them?
A.	The presence of mangrove ecosystem on coastline saves lives and property during natural hazards such as cyclones and storm surges.
B.	They are breeding, feeding and nursery grounds for many estuarine and marine organisms.
C.	West Bengal has maximum percentage of mangrove cover in India.
D.	All of these
Answer» E.

Discussion

66.	This bird sanctuary is a unique park that offers houseboats for bird watching. It is also known as Vembanad Bird Sanctuary. It is a paradise for bird lovers and a favourite spot for large number of migratory birds such as Flycatcher, Teal, Siberian stork etc. Which bird sanctuary are we talking about?
A.	Kumarakom Bird Sanctuary
B.	Bharatpur Bird Sanctuary
C.	Nal Sarovar Bird Sanctuary
D.	Ranganathittu Bird Sanctuary
Answer» B. Bharatpur Bird Sanctuary

Discussion

67.	A waste management technique that involves the use of organisms to remove or neutralize pollutants from a contaminated site is known as.
A.	Biomagnification
B.	Bioremediation
C.	Waste degradation
D.	Bioreduction
Answer» C. Waste degradation

Discussion

68.	Which of the following is not one of the ways to prevent water pollution?
A.	Toxic products like household chemicals and cleaning agents should be stored and disposed properly.
B.	Pills, liquid or powder medications or drugs should not be thrown into the drain.
C.	Farmers should try using natural fertilisers and pesticides.
D.	Cooking oil, ghee, mayonnaise and fats should be poured down the drains.
Answer» E.

Discussion

69.	Which of the following is the largest landfill in the world?
A.	Mont Blanc, Alps
B.	Puente Hills Landfills, Los Angeles
C.	Sudokwon Landfill, South Korea
D.	Apex Regional Landfill, Las Vegas
Answer» C. Sudokwon Landfill, South Korea

Discussion

70.	In order to reduce land pollution from industrial operations, some methods have been developed to reduce the volume of waste. Name the method in which waste is burned in the absence of oxygen. This method also produces stable end products.
A.	Shredding
B.	Pyrolysis
C.	Scrubbing
D.	Electrostatic induction
Answer» C. Scrubbing

Discussion

71.	He was awarded with Ramon Magsaysay Award for Community Leadership in 2001 for his extensive work on water conservation in drought prone Eastern Rajasthan by building water harvesting structures. Who is he?
A.	Rajendra Singh
B.	Fateh Singh Rathore
C.	Valmik Thapar
D.	Chewang Norphel
Answer» B. Fateh Singh Rathore

Discussion

72.	An earthquake of magnitude 3 on Richter scale is _____.
A.	Three times as strong as an earthquake of magnitude 1
B.	Nine times as strong as an earthquake of magnitude 1
C.	Ninety times as strong as an earthquake of magnitude 1
D.	Hundred times as strong as an earthquake of magnitude 1
Answer» E.

Discussion

73.	Aditya is suffering from breathing problems. His doctor said that the problem is due to the reduction in oxygen- carrying capacity of blood. Which of the following air pollutants can be the cause of this?
A.	Carbon dioxide
B.	Chlorofluorocarbons
C.	Carbon monoxide
D.	Suspended particulate matter
Answer» D. Suspended particulate matter

Discussion

74.	Vulture, hyena and eagle are examples of______.
A.	Producers
B.	Herbivores
C.	Decomposers
D.	Scavengers
Answer» E.

Discussion

75.	Toyota sponsored a campaign which was hosted by NDTV to save environment. The main goal of this campaign was to spread awareness among people in India to sustain the greenery of Mother Nature. Name the campaign.
A.	Green Nature
B.	Greenathon
C.	Green Nation
D.	Clean India Green India
Answer» C. Green Nation

Discussion

76.	World Water Day focuses on water conservation and critical water issues. On which date it is celebrated?
A.	44541
B.	44308
C.	44277
D.	44521
Answer» D. 44521

Discussion

77.	Which of the following movements fights against the taking over of fertile land for testing of missiles in a thickly populated village in Odisha?
A.	Chipko Movement
B.	Baliapal Movement
C.	Bishnoi Movement
D.	Appiko Movement
Answer» C. Bishnoi Movement

Discussion

78.	The increase in Earth's average surface temperature due to the effect of greenhouse gases such as \[\text{C}{{\text{O}}_{\text{2}}}\], and emissions from fossil fuel is known as global warming. What could be the effect of global warming?
A.	There will be melting of polar ice caps.
B.	There will be an increase in crop production.
C.	There will be a rise in sea level.
D.	Both A and C
Answer» E.

Discussion

79.	DIRECTION: Read the given paragraph and answer the questions 15 and 16. Pachmarhi Biosphere reserve is situated in Madhya Pradesh. The biodiversity found in it is unique as the plants and animals found in it are similar to those found in upper Himalayan peaks and lower Western Ghats. It contains two wildlife sanctuaries and one national park. Which of the following is not a part of Pachmarhi Biosphere Reserve?
A.	Bori Wildlife Sanctuary
B.	Satpura National Park
C.	Dachigam National Park
D.	Pachmarhi Wildlife Sanctuary
Answer» D. Pachmarhi Wildlife Sanctuary

Discussion

80.	Read the following statements and select the correct ones. (i) Biodiversity hotspots are those specific regions which have large number of endemic species. (ii) The passenger pigeon is an extinct bird. (iii) The term ecology was coined by Ernst Haeckel in 1866. (iv) Gandhi Peace Prize was awarded to a noted environmentalist Chandi Prasad Bhatt in 2013.
A.	(i) and (ii) only
B.	(ii) and (iii) only
C.	(i) and (iv) only
D.	All are correct.
Answer» E.

Discussion

81.	Riya visited her village after 10 years and found that there is a problem of desertification. What could be the probable reasons for this? (i) Overgrazing (ii) Indiscriminate cutting of trees (iii) Poorly drained irrigation systems
A.	(i) and (ii) only
B.	(ii) and (iii) only
C.	(i) and (iii) only
D.	(i), (ii) and (iii)
Answer» E.

Discussion

82.	Which among the following is the biggest single structure made by living organisms?
A.	Uluru
B.	Great Barrier Reef
C.	Patagonian Ice fields
D.	Bora bora
Answer» C. Patagonian Ice fields

Discussion

83.	Which of the following statements are true about acid rain? (i) Acid rain is harmful to some plants and animals. (ii) Acid rain mainly comprises of sulphuric acid and nitric acid. (iii) Acid rain helps farmer to produce more crops. (iv) Acid rain corrodes buildings and statues.
A.	(i) and (ii)
B.	(i) and (iii)
C.	(i), (iii) and (iv)
D.	(i), (ii) and (iv)
Answer» E.

Discussion

84.	Blackfriars bridge, a part of Blackfriars Station is the largest solar bridge in the world. It has been fitted with 4,400 photovoltaic panels, which are expected to reduce the station's CO, emission by an estimated 511 tonnes per year. Over which river is this bridge built ?
A.	Yangtze
B.	Mississippi
C.	Nile
D.	Thames
Answer» E.

Discussion

Explore topic-wise MCQs in Science.

Raj is travelling with his father in a car. He asks his father to turn off the engine at red lights in order to conserve a natural resource. Which of the following is being conserved by this activity?

Which of the following statements is incorrect regarding the conservation of environment?

By which of the following ways can we save water?

The given symbol is commonly seen on consumer products such as microwaves, refrigerators and lighting devices. What does this symbol indicates about the product?

Mt. Etna is an example of

Rearrange the jumbled words to find out the name of a natural disaster which is not present in the given word grid.

Select the INCORRECT statement about global warming. (i) The average temperature of the Earth's surface is gradually decreasing. (ii) Carbon dioxide, methane and nitrous oxide are responsible for global warming, (iii) The average temperature of the sun's surface is gradually increasing.

Which of the following is a cause of acid rain?

In a village, farmers use chemical fertilizers in their fields. A considerable increase in soil pollution was noticed as the farming activity intensified. What could be the most likely reason for this ?

Select the correct pair.

Greenhouse effect is _______.

The Silent Valley National Park in Kerala is home to a large population of which endangered primate?

Select the option which on reshuffling will give the term used for the planting of trees to convert a barren land into a green area.

Mangroves are salt-tolerant plants of tropical and sub-tropical intertidal regions of the world. They are highly productive but extremely sensitive and fragile. Which of the following statements are true regarding them?

A waste management technique that involves the use of organisms to remove or neutralize pollutants from a contaminated site is known as.

Which of the following is not one of the ways to prevent water pollution?

Which of the following is the largest landfill in the world?

In order to reduce land pollution from industrial operations, some methods have been developed to reduce the volume of waste. Name the method in which waste is burned in the absence of oxygen. This method also produces stable end products.

He was awarded with Ramon Magsaysay Award for Community Leadership in 2001 for his extensive work on water conservation in drought prone Eastern Rajasthan by building water harvesting structures. Who is he?

An earthquake of magnitude 3 on Richter scale is _____.

Aditya is suffering from breathing problems. His doctor said that the problem is due to the reduction in oxygen- carrying capacity of blood. Which of the following air pollutants can be the cause of this?

Vulture, hyena and eagle are examples of______.

Toyota sponsored a campaign which was hosted by NDTV to save environment. The main goal of this campaign was to spread awareness among people in India to sustain the greenery of Mother Nature. Name the campaign.

World Water Day focuses on water conservation and critical water issues. On which date it is celebrated?

Which of the following movements fights against the taking over of fertile land for testing of missiles in a thickly populated village in Odisha?

The increase in Earth's average surface temperature due to the effect of greenhouse gases such as \[\text{C}{{\text{O}}_{\text{2}}}\], and emissions from fossil fuel is known as global warming. What could be the effect of global warming?

Riya visited her village after 10 years and found that there is a problem of desertification. What could be the probable reasons for this? (i) Overgrazing (ii) Indiscriminate cutting of trees (iii) Poorly drained irrigation systems

Which among the following is the biggest single structure made by living organisms?

Which of the following statements are true about acid rain? (i) Acid rain is harmful to some plants and animals. (ii) Acid rain mainly comprises of sulphuric acid and nitric acid. (iii) Acid rain helps farmer to produce more crops. (iv) Acid rain corrodes buildings and statues.

Blackfriars bridge, a part of Blackfriars Station is the largest solar bridge in the world. It has been fitted with 4,400 photovoltaic panels, which are expected to reduce the station's CO, emission by an estimated 511 tonnes per year. Over which river is this bridge built ?