Environment & ecology: practice set 3

Consider the following statements with reference to India's response to climate change:

I. India's Long-Term Low Emission Development Strategy (LT-LEDS) is a crucial tool for achieving net-zero emissions by 2070.

II. India's 4th Biennial Update Report (BUR-4) submitted in December, 2024 recorded around 8% decrease in Greenhouse gas emissions in 2020 over 2019.

III. Climate-resilient development necessarily depends on quick and short-term achievement of emission reduction targets.

Which of the following relationships among the above statements is/are correct?

1. 1.Statement I is empirically supported by statement II.
2. 2.Statement III contradicts the approach implicit in statement I.
3. 3.Statement I and statement III together establish the premise of long-term sustainability.

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With reference to Madhav National Park, which of the following statements is/are correct?

1. 1.It was declared a Tiger Reserve in India in 2025.
2. 2.Sakhya Sagar, which is designated as a Ramsar Site, is situated within this National Park.
3. 3.Its area is shared between Madhya Pradesh and Rajasthan.

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Consider the following statements about Rhynchostylis retusa (Foxtail orchid):

1. 1.It is an epiphytic orchid.
2. 2.The species is endemic to North-east India.
3. 3.It is the State flower of Arunachal Pradesh and Assam.

Which of the statements given above is/are correct?

Which of the following statements in relation to NIRANTAR (National Institute for Research and Application of Natural Resources to Transform, Adapt and Build Resilience), a platform of institutions under the Ministry of Environment, Forest and Climate Change, is/are correct?

1. 1.Ecosystem Survey and Analysis is a vertical under this platform, the lead institute of which is Botanical Survey of India, Kolkata.
2. 2.Research and Management of Ecosystem Service is a vertical under this platform, the lead institute of which is Central Zoo Authority, New Delhi.
3. 3.Capacity Development Support is a vertical under this platform, the lead institute of which is Indian Institute of Forest Management, Bhopal.

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Consider the following statements:

1. Statement-I: Circular economy reduces the emissions of greenhouse gases.
2. Statement-II: Circular economy reduces the use of raw materials as inputs.
3. Statement-III: Circular economy reduces wastage in the production process.

Which one of the following is correct in respect of the above statements?

Consider the following statements:

1. I.Carbon dioxide (CO2) emissions in India are less than 0.5 t CO2/capita.
2. II.In terms of CO2 emissions from fuel combustion, India ranks second in Asia-Pacific region.
3. III.Electricity and heat producers are the largest sources of CO2 emissions in India.

Which of the statements given above is/are correct?

Consider the following statements:

1. 1.Lions do not have a particular breeding season.
2. 2.Unlike most other big cats, cheetahs do not roar.
3. 3.Unlike male lions, male leopards do not proclaim their territory by scent marking.

Which of the statements given above are correct?

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?

"Membrane Bioreactors" are often discussed in the context of:

Consider the following statements:

1. 1.Some mushrooms have medicinal properties.
2. 2.Some mushrooms have psychoactive properties.
3. 3.Some mushrooms have insecticidal properties.
4. 4.Some mushrooms have bioluminescent properties.

How many of the above statements are correct?

"Climate Action Tracker" which monitors the emission reduction pledges of different countries is a:

Consider the following:

1. 1.Carbon monoxide
2. 2.Nitrogen oxide
3. 3.Ozone
4. 4.Sulphur dioxide

Excess of which of the above in the environment is/are cause(s) of acid rain?

Which one of the following is used in preparing a natural mosquito repellent?

With reference to the 'New York Declaration on Forests', which of the following statements are correct?

1. 1.It was first endorsed at the United Nations Climate Summit in 2014.
2. 2.It endorses a global timeline to end the loss of forests.
3. 3.It is a legally binding international declaration.
4. 4.It is endorsed by governments, big companies and indigenous communities.
5. 5.India was one of the signatories at its inception.

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In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?

‘Triclosan’, considered harmful when exposed to high levels for a long time, is most likely present in which of the following?

Which of the following are the most likely places to find the musk deer in its natural habitat?

1. 1.Askot Wildlife Sanctuary
2. 2.Gangotri National Park
3. 3.Kishanpur Wildlife Sanctuary
4. 4.Manas National Park

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Among the following Tiger Reserves, which one has the largest area under “Critical Tiger Habitat”?

In the context of which of the following do some scientists suggest the use of cirrus cloud thinning technique and the injection of sulphate aerosol into stratosphere?

Consider the following statements:

1. 1.Agricultural soils release nitrogen oxides into environment.
2. 2.Cattle release ammonia into environment.
3. 3.Poultry industry releases reactive nitrogen compounds into environment.

Which of the statements given above is/are correct?

With reference to the management of minor minerals in India, consider the following statements:

1. 1.Sand is a 'minor mineral' according to the prevailing law in the country.
2. 2.State Governments have the power to grant mining leases of minor minerals, but the powers regarding the formation of rules related to the grant of minor minerals lie with the Central Government.
3. 3.State Governments have the power to frame rules to prevent illegal mining of minor minerals.

Which of the statements given above is/are correct?

Why is a plant called Prosopis juliflora often mentioned in news?

In the context of mitigating the impending global warming due to anthropogenic emissions of carbon dioxide, which of the following can be the potential sites for carbon sequestration?

1. 1.Abandoned and uneconomic coal seams
2. 2.Depleted oil and gas reservoirs
3. 3.Subterranean deep saline formations

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According to the Wildlife (Protection) Act, 1972, which of the following animals cannot be hunted by any person except under some provisions provided by law?

1. 1.Gharial
2. 2.Indian wild ass
3. 3.Wild buffalo

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The term ‘M-STrIPES’ is sometimes seen in the news in the context of

Which of the following statements is/are correct?

Proper design and effective implementation of UN-REDD+ Programme can significantly contribute to

1. 1.protection of biodiversity
2. 2.resilience of forest ecosystems
3. 3.poverty reduction

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