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UPSC Environment PYQs 2024 | Vaidra | Vaidra
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Environment UPSC PYQ 2024

34 questions from the UPSC 2024 examination.

34 questions

1Mediumprelims2 marks
Pollution & Waste Management

According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions?

ALocomotives using fossil fuels
BShips using fossil fuels
CExtraction of metals from ores
DPower plants using fossil fuels
2Medium2 marks

Consider the following statements:Statement-1: The Indian Flying Fox is placed under the “vermin” category in the Wildlife (Protection) Act, 1972.Statement-2: The Indian Flying Fox feeds on the blood of other animals.Which one of the following is correct in respect of the above statements?

ABoth statement-1 and statement-2 are correct, and statement-2 explains statement-1
BBoth statement-1 and statement-2 are correct, but statement-2 does not explain statement-1
CStatement-1 is correct, but statement-2 is incorrect
DStatement-1 is incorrect, but statement-2 is correct
3Medium2 marks

Consider the following:1. Butterflies2. Fish3. FrogsHow many of the above have poisonous species among them?

AOnly one
BOnly two
CAll three
DNone
4Easyprelims2 marks
Biodiversity & Conservation

Consider the following plants : 1. Groundnut 2. Horse-gram 3. Soybean How many of the above belong to the pea family ?

AOnly one
BOnly two
CAll three
DNone
5Medium1 mark

The organisms "Cicada, Froghopper and Pond skater" are: [2024]

ABirds
BFish
CInsects
DReptiles
6Medium1 mark

Consider the following: [2024] 1. Cashew 2. Papaya 3. Red sanders How many of the above trees are actually native to India?

AOnly one
BOnly two
CAll three
DNone
7Medium1 mark

Recently, the term "pumped-storage hydropower" is actually and appropriately discussed in the context of which one of the following? [2024]

AIrrigation of terraced crop fields
BLift irrigation of cereal crops
CLong duration energy storage d) Rainwater harvesting system
8Medium1 mark

Consider the following statements: [2024] Statement I: The European Parliament approved the Net-Zero Industry Act recently Statement-II: The European Union intends to achieve carbon neutrality by 2040 and therefore aims to develop all of its own clean technology by that time. Which one of the following is correct in respect of the above statements?

AStatement-I and Statement-II are correct and Statement-II explains Statement-I
BBoth Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
CStatement-I is correct, but Statement-II is incorrect
DStatement-I is incorrect, but Statement-II is correct
9Medium1 mark

Consider the following statements: [2024] Statement I: Many chewing gums found in the market are considered a source of environmental pollution. Statement-II: Many chewing gums contain plastic as gum base. Which one of the following is correct in respect of the above statements?

AStatement-I and Statement-II are correct and Statement-II explains Statement-I
BBoth Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
CStatement-I is correct, but Statement-II is incorrect
DStatement-I is incorrect, but Statement-II is correct
10Mediumprelims2 marks
Environmental Governance & Legislation

Consider the following statements: Statement-I: The Indian Flying Fox is placed under the "vermin" category in the Wild Life (Protection) Act, 1972. Statement-II: The Indian Flying Fox feeds on the blood of other animals. Which one of the following is correct in respect of the above statements?

ABoth Statement-I and Statement-II are correct and Statement-II explains Statement-I
BBoth Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
CStatement-I is correct, but Statement-II is incorrect
DStatement-I is incorrect, but Statement-II is correct
11Medium1 mark

Consider the following materials: [2024] 1. Agricultural residues 2. Corn grain 3. Wastewater treatment sludge 4. Wood mill waste Which of the above can be used as feedstock for producing Sustainable Aviation Fuel?

A1 and 2 only
B3 and 4 only
C1, 2, 3 and 4 d) 1, 3 and 4 only
12Medium1 mark

Consider the following pairs: [2024] | Country | Animal found in its natural habitat | |------------|--------------------------------------| | Brazil | Indri | | Indonesia | Elk | | Madagascar | Bonobo | How many of the pairs given above are correctly matched?

AOnly one
BOnly two
CAll three
DNone
13Medium2 marks

Consider the following organisms:1) Carabid beetles2) Centipedes3) Flies4) WaspsParasitoid species are found in how many of the above kinds of organisms?

AOnly two
BOnly three
COnly four
DAll five
14Medium2 marks

Consider the following statements:Statement-1: Many chewing gums found in the market are considered a source of environmental pollution.Statement-2: Many chewing gums contain plastic as gum base.Which one of the following is correct in respect of the above statements?

ABoth Statement-1 and Statement-2 are correct and Statement-2 explains Statement-1
BBoth Statement-1 and Statement-2 are correct, but Statement-2 does not explain Statement-1
CStatement-1 is correct, but Statement-2 is incorrect
DStatement-1 is incorrect, but Statement-2 is correct
15Medium1 mark

Which one of the following shows a unique relationship with an insect that has co-evolved with it and that is the only insect that can pollinate this tree? [2024]

AFig
BMahua
CSandalwood
DSilk cotton
16Mediumprelims2 marks
Ecosystems & Ecology Concepts

Consider the following statements: 1. Lions do not have a particular breeding season. 2. Unlike most other big cats, cheetahs do not roar. 3. Unlike male lions, male leopards do not proclaim their territory by scent marking. Which of the statements given above are correct?

A1 and 2 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3
17Medium1 mark

Consider the following: [2024] 1. Butterflies 2. Fish 3. Frogs How many of the above have poisonous species among them?

AOnly one
BOnly two
CAll three
DNone
18Medium1 mark

Consider the following: [2024] 1. Battery storage 2. Biomass generators 3. Fuel cells 4. Rooftop solar photovoltaic units How many' of the above are considered "Distributed Energy Resources"?

AOnly one
BOnly two
COnly three
DAll four
19Medium1 mark

"Membrane Bioreactors" are often discussed in the context of: [2024]

AAssisted reproductive technologies
BDrug delivery nanotechnologies
CVaccine production technologies
DWastewater treatment technologies
20Mediumprelims2 marks
Renewable Energy & Green Technologies

Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree?

AFig
BMahua
CSandalwood
DSilk cotton
21Medium1 mark

Consider the following plants: [2024] 1. Groundnut 2. Horse‑gram 3. Soybean How many of the above belong to the pea family?

AOnly one
BOnly two
CAll three
DNone
22Medium1 mark

Consider the following: [2024] 1. Carabid beetles 2. Centipedes 3. Flies 4. Termites 5. Wasps Parasitoid species are found in how many of the above kind of organisms?

AOnly two
BOnly three
COnly four
DAll five
23Medium2 marks

One of the following regions has the world’s largest tropical peatland, which holds about three years’ worth of global carbon emissions from fossil fuel; and the possible destruction of which can exert a detrimental effect on the global climate. Which one of the following denotes the region?

AAmazon Basin
BCongo basin
CKikori basin
DRio de la Plata Basin
24Medium1 mark

Consider the following statements: [2024] Statement I: The Indian Flying Fox is placed under the "vermin" category in the Wild Life (Protection) Act, 1972. Statement-II: The Indian Flying Fox feeds on the blood of other animals. Which one of the following is correct in respect of the above statements?

AStatement-I and Statement-II are correct and Statement-II explains Statement-I
BBoth Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
CStatement-I is correct, but Statement-II is incorrect
DStatement-I is incorrect, but Statement-II is correct
25Medium1 mark

Consider the following statements: Statement-I: Many chewing gums found in the market are a source of environmental pollution. Statement-II: Many chewing gums contain plastic as gum base. Which one of the following is correct in respect of the above statements?

ABoth Statement-I and Statement-II are correct and Statement-II explains Statement-I
BBoth Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
CStatement-I is correct, but Statement-II is incorrect
DStatement-I is incorrect, but Statement-II is correct
26Mediumprelims2 marks
Pollution & Waste Management

Consider the following statements: Statement-I: Many chewing gums found in the market are considered a source of environmental pollution. Statement-II: Many chewing gums contain plastic as gum base. Which one of the following is correct in respect of the above statements?

ABoth Statement-I and Statement-II are correct and Statement-II explains Statement-I
BBoth Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
CStatement-I is correct, but Statement-II is incorrect
DStatement-I is incorrect, but Statement-II is correct
27Mediumprelims2 marks
Ecosystems & Ecology Concepts

Consider the following pairs: Country | Animal found in its natural habitat ---|--- 1. Brazil | Indri 2. Indonesia | Elk 3. Madagascar | Bonobo How many of the pairs given above are correctly matched?

AOnly one
BOnly two
CAll three
DNone
28Medium2 marks

Consider the following materials:1. Agricultural residues2. Corn grain3. Wastewater treatment sludge4. Wood mill wasteWhich of the above can be used as feedstock for producing Sustainable Aviation Fuel?

A1 and 2 only
B3 and 4 only
C1, 2, 3 and 4
D1, 3 and 4 only
29Medium2 marks

Consider the following pairs:1. Brazil - Indri2. Indonesia - Elk3. Madagascar - BonoboHow many of the pairs given above are correctly matched?

AOnly one
BOnly two
CAll three
DNone
30Medium1 mark

With reference to Perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements: [2024] 1. PFAS are found to be widespread in drinking water, food and food packaging materials. 2. PFAS are not easily degraded in the environment. 3. Persistent exposure to PFAS can lead to bioaccumulation in animal bodies. Which of the statements given above are correct?

A1 and 2 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3
31Medium2 marks

Consider the following:1. Cashew2. Papaya3. Red sandersHow many of the above trees are actually native to India?

AOnly one
BOnly two
CAll three
DNone
32Medium1 mark

One of the following regions has the world's largest tropical peatland, which holds about three years’ worth of global carbon emissions from fossil fuels; and the possible destruction of which can exert detrimental effect on the global climate. Which one of the following denotes that region? [2024]

AAmazon Basin
BCongo Basin
CKikori Basin
DRio de la Plata Basin
33Medium1 mark

Consider the following statements: [2024] 1. Lions do not have a particular breeding season. 2. Unlike most other big cats, cheetahs do not roar. 3. Unlike male lions, male leopards do not proclaim their territory by scent marking. Which of the statements given above are correct?

A1 and 2 only
B2 and 3 only
C1 and 3 only
D1, 2 and 3
34Medium1 mark

According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions? [2024]

ALocomotives using fossil fuels
BShips using fossil fuels
CExtraction of metals from ores
DPower plants using fossil fuels
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