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UGC NET Paper 2Environmental Science

315 questions across 4 years

Public preview: answer keys and topic tags are available on many questions, while original explanations are being added selectively. Use the filters below for cleaner practice.

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Practice questions

50 questions shown from 2025.

Showing 2025 questions.
2025 Q6

Suppose the water of a lake is contaminated by a pesticide. Arrange the following in the increasing order of accumulated concentration of the pesticide in the lake ecosystem. A. Wa...

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2025 Q6

In which of the water treatment processes additional BOD (Biological Oxygen Demand) is provided to remove the biological material?

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2025 Q6

Choose the correct statements regarding environmental incidents from the following : A. Bhopal accident was due to methyl isocyanate B. Hiroshima and Nagasaki incident was due to r...

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2025 Q7

India's ethanol blending programme aims to achieve which of the following key objectives? A. to promote India's energy security. B. to achieve reduction in Greenhouse gas emissions...

2025 Q7

India's ethanol blending programme aims to achieve which of the following key objectives? A. to promote India's energy security. B. to achieve reduction in Greenhouse gas emissions...

2025 Q8

Albedo is the portion of solar energy reflected from the surface of Earth. Arrange the following in the increasing order of their albedo from low to high: A. Black soil B. Water C....

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2025 Q9

Which of the following are characteristics of sustainable development? A. Intergenerational equity regarding natural resources. B. Equitable distribution of natural resources in th...

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2025 Q10

Geothermal power plants are much like fossil and nuclear plants with exception of no requirements of: A. Vapour dominated hydrothermal resources B. Boiler C. Fission reactor D. Tur...

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2025 Q11

Liquid that passes through the landfill, and that has extracted dissolved and suspended matter from it is called _________.

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2025 Q13

Which of the following is a criteria air pollutant as well as a greenhouse gas?

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2025 Q14

Which of the following are commonly responsible for acid rain?

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2025 Q15

Biological Oxygen Demand (BOD), is a parameter to monitor the quality of water. It measures

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2025 Q15

When did India become party to Convention on Biodiversity (CBD)?

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2025 Q15

Arrange the following states of India in the increasing order of total installed capacity of renewable power as of August, 2025. A. Uttar Pradesh B. Gujrat C. Tamil Nadu D. Karnata...

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2025 Q15

Which of the following is NOT a requirement for a proper sanitary landfill site? 1. The area should not be geologically active. 2. It should be located below the water table. 3. It...

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2025 Q17

पर्यावरण संबंधी शिक्षा में निम्नलिखित विषयों को अवश्य शामिल किया जाना चाहिए: A. व्यक्तिगत स्वच्छता B. जैविक विविधता C. कचरा प्रबंधन D. प्रदूषण E. वन्य जीव संरक्षण नीचे दिए गए विकल्...

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2025 Q17

Which of the following Sustainable Development Goals (SDG) is concerned with protection, restoration and promotion of sustainable use of terrestrial ecosystems?

2025 Q18

Match the LIST-I with LIST-II LIST-I (Mission LiFE objectives) A. Energy saved B. E-waste reduced C. Healthy lifestyles adopted D. Single use plastic reduced LIST-II (Action) I. Us...

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2025 Q19

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Earth's atmosphere keeps the planet warm mainly by reflecting the...

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2025 Q19

What is the ascending order of Global Warming Potential (GWP) of the following greenhouse gases (GHGs)? A. CFC - 11 (Chlorofluorocarbon - 11) B. CH4 (Methane) C. CO₂ (Carbon Dioxid...

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2025 Q21

Liquid that passes through the landfill, and that has extracted dissolved and suspended matter from it is called _________.

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2025 Q21

Which of the following is not a gaseous pollutant in the atmosphere?

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2025 Q21

Which of the following is not a gaseous pollutant in the atmosphere?

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2025 Q21

What is the correct increasing order of Global Warming Potential (GWP) of the following Green House Gases (GHGs)? A. CFC-11 (Chlorofluorocarbon-11) B. CH4 (Methane) C. CO₂ (Carbon...

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2025 Q22

Choose the correct statements from the following regarding targets under Sustainable Development Goals: A. Target under SDG8 is to sustain 7% GDP in least developed countries B. Ta...

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2025 Q22

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Earth's atmosphere keeps the planet warm mainly by reflecting the...

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2025 Q23

What is the major source of pollutant lead in homes?

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2025 Q23

भारत जैव विविधता संबंधी अभिसमय (CBD) में कब शामिल हुआ था?

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2025 Q23

Which of the following is a flexibility mechanism under Kyoto protocol? A. Joint Implementation (JI) B. Intended Nationally Determined Contributions (INDC) C. Common Minimum Progra...

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2025 Q24

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: To rejuvenate River Ganga and its tributaries the Government of In...

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2025 Q26

What is Noise Induced Permanent Threshold Shifts (NIPTS) ?

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2025 Q28

Arrange the sequence of processes leading to formation of ozone hole: A. De-humidification, de-nitrification B. Vortex formation C. Pre-conditioning D. Very low temperature polar s...

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2025 Q28

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): Increase in average sea surface temperature will contribute...

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2025 Q30

Arrange the following states of India in the increasing order of total installed capacity of renewable power as of August, 2025. A. Uttar Pradesh B. Gujrat C. Tamil Nadu D. Karnata...

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2025 Q30

Which of the following is NOT a requirement for a proper sanitary landfill site?

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2025 Q31

Environmental education must include topics of: A. Personal hygiene B. Biological diversity C. Waste management D. Pollution E. Wildlife conservation Choose the correct answer from...

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2025 Q31

Which of the following is not an example of ex-situ conservation? A. National park B. Zoo C. Wildlife sanctuary D. Biosphere reserve E. Botanical garden Choose the correct answer f...

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2025 Q32

Match List - I with List - II: List - I (Type of Disaster) A. Biological disaster B. Geophysical disaster C. Hydro meterological disaster D. Anthropogenic disaster List - II (Conse...

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2025 Q32

Which of the following are commonly responsible for acid rain?

2025 Q32

भूतापीय ऊर्जा संयंत्र, जीवाश्मी व नाभिकीय संयंत्रों के अत्यधिक समान होते हैं सिवाय निम्न की आवश्यकता के बिना A. वाष्प प्रधान जलतापीय संसाधन B. बॉयलर C. विखंडन रिएक्टर D. टर्बाइन जन...

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2025 Q33

The Blue-Baby Syndrome is caused by the contamination of _________ in drinking water. (1) Mercury (2) Lead (3) Nitrate (4) Arsenic

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2025 Q33

Which of the followings is a secondary pollutant in the troposphere?

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2025 Q35

Bhopal disaster (1984) is one of the most tragic industrial accident, which happened due to release of ________ gas into the atmosphere from Union Carbide factory.

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2025 Q35

Arrange the following in a chronological order : A. Zoological Survey of India B. Plastic Waste Management Rules C. Botanical Survey of India D. Battery Waste Management Rules E. F...

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2025 Q36

Arrange the following environment related acts in the chronological order of their enactment. A. The Wildlife Protection Act B. Air (Prevention and Control of Pollution) Act C. The...

2025 Q38

As per Noise Pollution (Regulation and control) Act (2000), the permissible noise level (Leq) during the day for silence zones is:

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2025 Q38

Which of the following is the ascending order of Global Warming Potential (GWP) of greenhouse gases (GHGs)? A. CFC - 11 (Chlorofluorocarbon - 11) B. CH₄ (Methane) C. CO₂ (Carbon Di...

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2025 Q39

Match the LIST-I with LIST-II LIST-I (Zone) A. Industrial B. Commercial C. Residential D. Silence LIST-II (Day time sound limits in dB as per Noise Pollution Rules, 2000) I. 50 II....

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2025 Q40

भूतापीय ऊर्जा संयंत्र, जीवाश्मी व नाभिकीय संयंत्रों के अत्यधिक समान होते हैं सिवाय निम्न की आवश्यकता के बिना A. वाष्प प्रधान जलतापीय संसाधन B. बॉयलर C. विखंडन रिएक्टर D. टर्बाइन जन...

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2025 Q40

Ocean acidification occurs due to reaction of atmospheric carbon dioxide with sea water to produce

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