Environment – UPSC (CSE) Preliminary Previous year Question and Answer Quiz (2011-2021) Part -1 – Online Test – Vetri Padi | TNPSC | GROUP Exam

Environment - UPSC (CSE) Preliminary Previous year Question and Answer Quiz (2011-2021) Part -1

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Environment - UPSC (CSE) Preliminary Previous year Question and Answer Quiz (2011-2021) Part -1

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Question 1

Biodiversity forms the basis for human existence in the following ways

Soil formation
Prevention of soil erosion
Recycling of waste
Pollination of crops

A	1, 2 and 3 only
B	2, 3 and 4 only
C	2 and 3 only
D	1, 2, 3 and 4

Question 2

The formation of ozone hole in the Antarctic region has been a cause, of concern. What could be the reason for the formation of this hole?

A	Presence of prominent tropospheric turbulence; and inflow of chlorofluorocarbons
B	Presence of prominent polar front and stratospheric clouds; and inflow of chlorofluorocarbons
C	Absence of polar front and stratospheric clouds; and inflow of methane and chlorofluorocarbons.
D	Increased temperature at polar region due to global warming

Question 3

Regarding "carbon credits", which one of the following statements is not correct?

A	The carbon credit system was ratified in conjunction with the Kyoto Protocol
B	Carbon credits are awarded to countries or groups that have reduced greenhouse gases below their emission quota
C	The goal of the carbon credit system is to limit the increase of carbon dioxide emission
D	Carbon credits are traded at a price fixed from time to time by the United Nations Environment Programme

Question 4

There is a concern over the increase in harmful algal blooms in the seawaters of India. What could be the causative factors for this phenomenon?

Discharge of nutrients from the estuaries.
Run-off from the land during the monsoon.
Upwelling in the seas.

Select the correct answer from the codes given below:

A	1
B	1 and 2 only
C	2 and 3 only
D	1, 2 and 3

Question 5

A sandy and saline area is the natural habitat of an Indian animal species. The animal has no predators in that area but its existence is threatened due to the destruction of its habitat. Which one of the following could be that animal?

A	Indian wild buffalo
B	Indian wild ass
C	Indian wild boar
D	Indian gazelle

Question 6

The “Red Data Books” published by the International Union for Conservation of Nature and Natural Resources (IUCN) contain lists of

Endemic plant and animal species present in the biodiversity hotspots.
Threatened plant and animal species.
Protected sites for conservation of nature and natural resources in various countries.

Select the correct answer using the codes given below;

A	1 and 3
B	2 only
C	2 and 3
D	3 only

Question 7

Three of the following criteria have contributed to the recognition of Western Ghats-Sri Lanka and Indo-Burma regions as hotspots of biodiversity:

Species richness
Vegetation density
Endemism
Ethno-botanical importance
Threat perception
Adaptation of flora and fauna to warm and humid conditions

Which three of the above are correct criteria in this context?

A	1, 2 and 6
B	2, 4 and 6
C	1, 3 and 5
D	3, 4 and 6

Question 8

Human activities in the recent past have caused the increased concentration of carbon dioxide in the atmosphere, but a lot of it does not remain in the lower atmosphere because of

its escape into the outer stratosphere.
the photosynthesis by phytoplankton in the oceans
the trapping of air in the polar ice caps.

Which of the statements given above is/ are correct?

A	1 and 2
B	2 only
C	2 and 3
D	3 only

Question 9

In the context of ecosystem productivity, marine upwelling zones are important as they increase the marine productivity by bringing the

decomposer microorganisms to the surface.
nutrients to the surface.
bottom-dwelling organisms to the surface.

Which of the statements given above is/are correct?

A	1 and 2
B	2 only
C	2 and 3
D	3 only

Question 10

With reference to India, consider the following Central Acts:

Import and Export (Control) Act, 1947
Mining and Mineral Development (Regulation) Act, 1957
Customs Act, 1962
Indian Forest Act, 1927

Which of the above Acts have relevance to/bearing on the biodiversity conservation in the country?

A	1 and 3 only
B	2, 3 and 4 only
C	1, 2, 3 and 4
D	None of the above Acts

Question 11

Consider the following:

Photosynthesis
Respiration
Decay of organic matter
volcanic action

Which of the above add carbon dioxide to the carbon cycle on Earth?

A	1 and 4 only
B	2 and 3 only
C	2, 3 and 4 only
D	1, 2, 3 and 4

Question 12

How does National Biodiversity Authority (NBA) help in protecting the Indian agriculture?

NBA checks the biopiracy and protects the indigenous and traditional genetic resources.
NBA directly monitors and supervises the scientific research on genetic modification of crop plants.
Application for intellectual Property Rights related to genetic/biological resources cannot be made without the approval of NBA.

Which of the statements given above is/are correct?

A	1 only
B	2 and 3 only
C	1 and 3 only
D	1, 2 and 3

Question 13

If National Water Mission is properly and completely implemented, how will it impact the country?

Part of the water needs of urban areas will be met through recycling of waste-water.
The water requirements of coastal cities with inadequate alternative sources of water will be met by adopting appropriate technologies that allow for the use of ocean water.
All the rivers of Himalayan origin will be linked to the rivers of peninsular India.
The expenses incurred by farmers for digging bore-wells and for installing motors and pump-sets to draw ground-water will be completely reimbursed by the Government.

Select the correct answer using the codes given below:

A	1 only
B	1 and 2 only
C	3 and 4 only
D	1, 2, 3 and 4

Question 14

Consider the following statements: Chlorofluorocarbons, known as ozone-depleting substances, are used.

in the production of plastic foams
in the production of tubeless tyres
in cleaning certain electronic components
as pressurizing agents in aerosol cans

Which of the statements given above is/are correct?

A	1, 2 and 3 only
B	4 only
C	1, 3 and 4 only
D	1, 2, 3 and 4

Question 15

Government of India encourages the cultivation of ‘sea buckthorn’. What is the importance of this plant?

It helps in controlling soil erosion and in preventing desertification:
It is a rich source of bio-diesel.
It has nutritional value and is well-adapted to live in cold areas of high altitudes.
Its timber is of great commercial value.

Which of the statements given above is/are correct?

A	1 only
B	2, 3 and 4 only
C	1 and 3 only
D	1, 2, 3 and 4

Question 16

With reference to the wetlands of India, consider the following statements:

The country’s total geographical area under the category of wetlands is recorded more in Gujarat as compared to other States.
In India, the total geographical area of coastal wetlands is larger than that of inland wetlands.

Which of the statements given above is/are correct?

A	1 only
B	2 only
C	Both 1 and 2
D	Neither I nor 2

Question 17

The increasing amount of carbon dioxide in the air is slowly raising the temperature of the atmosphere, because it absorbs

A	the water vapour of the air and retains its heat
B	the ultraviolet part of the solar radiation
C	all the solar radiations
D	the infrared part of the solar radiation

Question 18

Other than resistance to pests, what are the prospects for which genetically engineered plants have been created?

To enable them to withstand drought
To increase the nutritive value of the produce
To enable them to grow and do photosynthesis in spaceships and space stations
To increase their shelf life

Select the correct answer using the codes given below:

A	1 and 2 only
B	3 and 4 only
C	1, 2 and 4 only
D	1, 2, 3 and 4

Question 19

Consider the following protected areas

Bandipur
Bhitarkanika
Manas
Sunderbans

Which of the above are declared Tiger Reserves?

A	1 and 2 only
B	1, 3 and 4 only
C	2, 3 and 4 only
D	1, 2, 3 and 4

Question 20

In which one among the following categories of protected areas in India are local people not allowed to collect and use the biomass?

A	Biosphere Reserves
B	National Parks
C	Wetlands declared under Ramsar Convention
D	Wildlife Sanctuaries

Question 21

Which one of the following groups of animals belongs to the category of endangered species?

A	Great Indian Bustard, Musk Deer, Red Panda and Asiatic Wild Ass
B	Kashmir Stag, Cheetal, Blue Bull and Great Indian Bustard
C	Snow Leopard, Swamp Deer, Rhesus Monkey and Saras (Crane)
D	Lion-tailed Macaque, Blue Bull, Hanuman Langur and Cheetal

Question 22

The Millennium Ecosystem Assessment describes the following major categories of ecosystem services-provisioning, supporting, regulating, preserving and cultural. Which one of the following is supporting service?

A	Production of food and water
B	Control of climate and disease
C	Nutrient cycling and crop pollination
D	Maintenance of diversity

Question 23

Which of the following can be threats to the biodiversity of a geographical area?

Global warming
Fragmentation of habitat
Invasion of alien species
Promotion of vegetarianism

Select the correct answer using the codes given below:

A	1, 2 and 3 only
B	2 and 3 only
C	1 and 4 only
D	1, 2, 3 and 4

Question 24

Consider the following:

Black-necked crane
Cheetah
Flying squirrel
Snow leopard

Which of the above are naturally found in India?

A	1, 2 and 3 only
B	1, 3 and 4 only
C	2 and 4 only
D	1, 2, 3 and 4

Question 25

Consider the following agricultural practices:

Contour bunding
Relay cropping
Zero tillage

In the context of global climate change, which of the above helps/help in carbon sequestration/storage in the soil?

A	1 and 2 only
B	3 only
C	1, 2 and 3
D	None of them

Question 26

What would happen if phytoplankton of an ocean is completely destroyed for some reason?

The ocean as a carbon sink would be adversely affected.
The food chains in the ocean would be adversely affected.
The density of ocean water would drastically decrease.

Select the correct answer using the codes given below:

A	1 and 2 only
B	2 only
C	3 only
D	1, 2 and 3

Question 27

Vultures which used to be very common in Indian countryside some years ago are rarely seen nowadays. This is attributed to

A	the destruction of their nesting sites by new invasive species
B	a drug used by cattle owners for treating their diseased cattle
C	scarcity of food available to them
D	a widespread, persistent and fatal disease among them

Question 28

Under the Scheduled Tribes and Other Traditional Forest Dwellers (Recognition of Forest Rights) Act, 2006, who shall be the authority to initiate the process for determining the nature and extent of individual or community forest rights or both?

A	State Forest Department
B	District Collector/Deputy Commissioner
C	Tahsildar/Block Development Officer/Mandal Revenue Officer
D	Gram Sabha

Question 29

Acid rain is caused by the pollution of environment by

A	Carbon dioxide and nitrogen
B	Carbon monoxide and carbon dioxide
C	Ozone and carbon dioxide
D	Nitrous oxide and sulphur dioxide

Question 30

With reference to food chains in ecosystems, consider the following statements:

A food chain illustrates the order in which a chain of organisms feed upon each other
Food chains are found within the populations of a species
A food chain illustrates the numbers of each organism which are eaten by others

Which of the statements given above is/are correct?

A	1 only
B	1 and 2 only
C	1, 2 and 3
D	None

Question 31

In which of the following States is lion-tailed macaque found in its natural habitat?

Tamil Nadu
Kerala
Karnataka
Andhra Pradesh

Select the correct answer using the codes given below:

A	1, 2 and 3 only
B	2 only
C	1, 3 and 4 only
D	1, 2, 3 and 4

Question 32

Which one of the following terms describes not only the physical space occupied by an organism, but also its functional role in the community of organisms?

A	Ecotone
B	Ecological niche
C	Habitat
D	Home range

Question 33

Photochemical smog is a resultant of the reaction among

A	NO2, O3 and peroxyacetyl nitrate in the presence of sunlight
B	CO, O2 and peroxyacetyl nitrate in the presence of sunlight
C	CO, CO2 and NO2 at low temperature
D	High concentration of NO2, O3 and CO in the evening

Question 34

Consider the following:

Star tortoise
Monitor lizard
Pygmy hog
Spider monkey

Which of the above are naturally found in India?

A	1, 2 and 3 only
B	2 and 3 only
C	1 and 4 only
D	1, 2, 3 and 4

Question 35

Which of the following can be found as pollutants in the drinking water in some parts of India?

Arsenic
Sorbitol
Fluoride
Formaldehyde
Uranium

Select the correct answer using the codes given below.

A	1 and 3 only
B	2, 4 and 5 only
C	1, 3 and 5 only
D	1, 2, 3, 4 and 5

Question 36

In the grasslands, trees do not replace the grasses as a part of an ecological succession because of

A	Insects and fungi
B	Limited sunlight and paucity of nutrients
C	Water limits and fire
D	None of the above

Question 37

Consider the following international agreements

The International Treaty on Plant Genetic Resources for Food and Agriculture
The United Nations Convention to Combat Desertification
The World Heritage Convention

Which of the above has/have a bearing on the biodiversity?

A	1 and 2 only
B	3 only
C	1 and 3 only
D	1, 2 and 3

Question 38

Consider the following statements regarding ‘Earth Hour’:

It is an initiative of UNEP and UNESCO.
It is a movement in which the participants switch off the lights for one hour on a certain day every year.
It is a movement to raise the awareness about the climate change and the need to save the planet.

Which of the statements given above is/are correct

A	1 and 3 only
B	2 only
C	2 and 3 only
D	1, 2 and 3

Question 39

If a wetland of international importance is brought under the ‘Montreux Record’, what does it imply?

A	Changes in ecological character have occurred, are occurring or are likely to occur in the wetland as a result of human interference
B	The country in which the wetland is located should enact a law to prohibit any human activity within five kilometres from the edge of the wetland
C	The survival of the wetland depends on the cultural practices and traditions of certain communities living in its vicinity and therefore the cultural diversity therein should not be destroyed
D	It is given the status of ‘World Heritage Site’

Question 40

With reference to Bombay Natural History Society (BNHS), consider the following statements:

It is an autonomous organization under the Ministry of Environment and Forests.
It strives to conserve nature through action-based research, education and public awareness.
It organizes and conducts nature trails and camps for the general public.

Which of the statements given above is/are correct?

A	1 and 3 only
B	2 only
C	2 and 3 only
D	1, 2 and 3

Question 41

With reference to ‘Global Environment Facility’, which of the following statements is/are correct?

A	It serves as financial mechanism for ‘Convention on Biological Diversity’ and ‘United Nations Framework Convention on Climate Change’
B	It undertakes scientific research on environmental issues at global level
C	It is an agency under OECD to facilitate the transfer of technology and funds to underdeveloped countries with specific aim to protect their environment
D	Both (a) and (b)

Question 42

With reference to a conservation organization called ‘Wetlands International’, which of the following statements is/are correct?

It is an intergovernmental organization formed by the countries which are signatories to Ramsar Convention.
It works at the field level to develop and mobilize knowledge, and use the practical experience to advocate for better policies.

Select the correct answer using the code given below.

A	1 only
B	2 only
C	Both 1 and 2
D	Neither 1 nor 2

Question 43

Other than poaching, what are the possible reasons for the decline in the population of Ganges River Dolphins?

Construction of dams and barrages on rivers
Increase in the population of crocodiles in rivers
Getting trapped in fishing nets accidentally
U se of synthetic fertilizers and other agricultural chemicals in crop-fields in the vicinity of rivers

Select the correct answer using the code given below.

A	1 and 2 only
B	2 and 3 only
C	1, 3 and 4 only
D	1, 2, 3 and 4

Question 44

Which of the following adds/add carbon dioxide to the carbon cycle on the planet Earth?

Volcanic action
Respiration
Photosynthesis
Decay of organic matter

Select the correct answer using the code given below.

A	1 and 3 only
B	2 only
C	1, 2 and 4 only
D	1, 2, 3 and 4

Question 45

If you walk through countryside, you are likely to see some birds stalking alongside the cattle to seize the insects disturbed by their movement through grasses. Which of the following is/are such bird/birds?

Painted Stork
Common Myna
Black-necked Crane

Select the correct answer using the code given below.

A	1 and 2
B	2 only
C	2 and 3
D	3 only

Question 46

With reference to Eco-Sensitive Zones’, which of the following statements is/are correct?

Eco-Sensitive Zones are the areas that are declared under the Wildlife (Protection) Act, 1972.
The purpose of the declaration of Eco-Sensitive Zones is to prohibit all kinds of human activities in those zones except agriculture.

Select the correct answer using the code given below.

A	1 only
B	2 only
C	Both 1 and 2
D	Neither 1 nor 2

Question 47

Consider the following statements:

Animal Welfare Board of India is established under the Environment (Protection) Act, 1986.
National Tiger Conservation Authority is a statutory body.
National Ganga River Basin Authority is chaired by the Prime Minister.

Which of the statements given above is/are correct?

A	1 only
B	2 and 3 only
C	2 only
D	1, 2 and 3

Question 48

Consider the following pairs Wetlands : Confluence of rivers

Harike Wetlands : Confluence of Beas and Satluj/Sutlej
Keoladeo Ghana National Park : Confluence of Banas and Chambal
Kolleru Lake : Confluence of Musi and Krishna

Which of the above pairs is/are correctly matched?

A	1 only
B	2 and 3 only
C	1 and 3 only
D	1, 2 and 3

Question 49

The most important strategy for the conservation of biodiversity together with traditional human life is the establishment of

A	biosphere reserves
B	botanical gardens
C	national parks
D	wildlife sanctuaries

Question 50

The scientific view is that the increase in global temperature should not exceed 2°C above pre-industrial level. If the global temperature increases beyond 3°C above the pre-industrial level, what can be its possible impact/impacts on the world?

Terrestrial biosphere tends toward a net carbon source.
Widespread coral mortality will occur.
All the global wetlands will permanently disappear.
Cultivation of cereals will not be possible anywhere in the world.

Select the correct answer using the code given below.

A	1 only
B	1 and 2 only
C	2, 3 and 4 only
D	1, 2, 3 and 4

Question 51

Which of the following are some important pollutants released by steel industry in India?

Oxides of sulphur
Oxides of nitrogen
Carbon monoxide
Carbon dioxide

Select the correct answer using the code given below.

A	1, 3 and 4 only
B	2 and 3 only
C	1 and 4 only
D	1, 2, 3 and 4

Question 52

Which one of the following is the best description of the term ‘ecosystem’ ?

A	A community of organisms interacting with one another
B	That part of the Earth which is inhabited by living organisms
C	A community of organisms together with the environment in which they live
D	The flora and fauna of a geographical area

Question 53

With reference to an organization known as 'BirdLife International', which of the following statements is/are correct?

It is a Global Partnership of Conservation Organizations.
The concept of ‘biodiversity hotspots’ originated from this organization.
It identifies the sites known/ referred to as ‘Important Bird and Biodiversity Areas’.

Select the correct answer using the code given below.

A	1 only
B	2 and 3 only
C	1 and 3 only
D	1, 2 and 3

Question 54

With reference to the Indian Renewable Energy Development Agency Limited (IREDA), which of the following statements is/are correct?

It is a Public Limited Government Company.
It is a Non-Banking Financial Company.

Select the correct answer using the code given below.

A	1 only
B	2 only
C	Both 1 and 2
D	Neither 1 nor 2

Question 55

Which of the following National Parks is unique in being a swamp with floating vegetation that supports a rich biodiversity?

A	Bhitarkanika National Park
B	Keibul Lamjao National Park
C	Keoladeo Ghana National Park
D	Sultanpur National Park

Question 56

With reference to the International Union for Conservation of Nature and Natural Resources (IUCN) and the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which of the following statements is/are correct?

IUCN is an organ of the United Nations and CITES is an international agreement between governments.
IUCN runs thousands of field projects around the world to better manage natural environments.
CITES is legally binding on the States that have joined it, but this Convention does not take the place of national laws.

Select the correct answer using the code given below.

A	1 only
B	2 and 3 only
C	1 and 3 only
D	1, 2 and 3

Question 57

With reference to ‘dugong’, a mammal found in India, which of the following statements is/are correct?

It is a herbivorous marine animal.
It is found along the entire coast of India.
It is given legal protection under Schedule I of the Wildlife (Protection) Act; 1972.

Select the correct answer using the code given below.

A	1 and 2
B	2 only
C	1 and 3
D	3 only

Question 58

Which one of the following is the national aquatic animal of India?

A	Saltwater crocodile
B	Olive ridley turtle
C	Gangetic dolphin
D	Gharial

Question 59

Which one of the following is associated with the issue of control and phasing out of the use of ozone-depleting substances?

A	Bretton Woods Conference
B	Montreal Protocol
C	Kyoto Protocol
D	Nagoya Protocol

Question 60

Which of the following statements regarding ‘Green Climate Fund’ is/are correct?

It is intended to assist the developing countries in adaptation and mitigation practices to counter climate change.
It is founded under the aegis of UNEP, OECD, Asian Development Bank and World Bank.

Select the correct answer using the code given below.

A	1 only
B	2 only
C	Both 1 and 2
D	Neither 1 nor 2

Question 61

‘BioCarbon Fund Initiative for Sustainable Forest Landscapes’ is managed by the

A	Asian Development Bank
B	International Monetary Fund
C	United Nations Environment Programme
D	World Bank

Question 62

The Genetic Engineering Appraisal Committee is constituted under the

A	Food Safety and Standards Act, 2006
B	Geographical Indications of Goods (Registration and Protection) Act, 1999
C	Environment (Protection) Act, 1986
D	Wildlife (Protection) Act, 1972

Question 63

In a particular region in India, the local people train the roots of living trees into robust bridges across the streams. As the time passes, these bridges become stronger. These unique ‘living root bridges’ are found in

A	Meghalaya
B	Himachal Pradesh
C	Jharkhand
D	Tamil Nadu

Question 64

With reference to ‘Forest Carbon Partnership Facility’, which of the following statements is/are correct?

It is a global partnership of governments, businesses, civil society and indigenous peoples.
It provides financial aid to universities, individual scientists and institutions involved in scientific forestry research to develop eco-friendly and climate adaptation technologies for sustainable forest management.
It assists the countries in their ‘REDD+ (Reducing Emissions from Deforestation and Forest Degradation+)’ efforts by providing them with financial and technical assistance.

Select the correct answer using the code” given below.

A	1 only
B	2 and 3 only
C	1 and 3 only
D	1, 2 and 3

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Environment – UPSC (CSE) Preliminary Previous year Question and Answer Quiz (2011-2021) Part -1

Environment - UPSC (CSE) Preliminary Previous year Question and Answer Quiz (2011-2021) Part -1

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