UGC NET Paper 1 — Environmental Science
887 questions across 12 years
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Which of the following are essential requirements for the formation of photochemical SMOG? A. Carbon monooxide (CO) B. Nitrogen dioxide (NO₂) C. Carbon dioxide (CO₂) D. Volatile Or...
What is the full form of POPs?
Match List - I with List - II. List-I (Types of toxicants) A. Nephrotoxic B. Hematotoxic C. Pulmonotoxic D. Hepatotoxic List-II (Affected Organ) I. Lungs II. Kidney III. Liver IV....
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...
The Bhopal disaster (1984) was one of the most tragic industrial accidents, caused by the release of gas into the atmosphere from the Union Carbide factory.
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Eutrophication leads to depletion of dissolved oxygen in a lake. R...
Which of the following is not a gaseous pollutant in the atmosphere?
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): A wind mill will be more effective if it is placed at a hig...
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.
Assertion A: Earth's atmosphere keeps the planet warm mainly by reflecting the incoming solar radiation. Reason R: Greenhouse gases absorb longwave radiation emitted from the earth...
Biological Oxygen Demand (BOD), is a parameter to monitor the quality of water. It measures
Ocean acidification occurs due to reaction of atmospheric carbon dioxide with sea water to produce
Arrange the following greenhouse gases in the increasing order of their life time in the earth's atmosphere: A. SF6 B. N2O C. H2O vapor D. CH4 Choose the correct answer from the op...
Which of the followings is a secondary pollutant in the troposphere?
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...
Arrange the following in ascending order of their moisture content. A. Trash B. Rubbish C. Refuse D. Garbage Choose the correct answer from the options given below:
Which of the following is a secondary pollutant in the troposphere?
Match List - I with List - II. List - I A. Primary Air pollutant B. Secondary Air pollutant C. Ozone depleting substance D. Cloud Condensation Nuclei List - II I. Peroxyacyl nitrat...
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....
Arrange the following international agreements/efforts related to environmental protection in chronological order:
Match the LIST-I with LIST-II LIST-I Convention/Protocol A. Montreal Protocol B. Stockholm Convention C. Kyoto Protocol D. Basel Convention LIST-II Related With I. Global Warming I...
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...
The oxygen consumed in the oxidation of an organic compound by microorganisms in the aquatic ecosystem is called _________.
Which of the following Sustainable Development Goals (SDG) is concerned with protection, restoration and promotion of sustainable use of terrestrial ecosystems?
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...
The Blue-Baby Syndrome is caused by the contamination of _________ in drinking water.
What are the main objectives that India's Ethanol Blending Program aims to achieve? A. Promote India's energy security B. Reduce greenhouse gas emissions C. Promote large-scale imp...
Which of the following renewable energy resources contributes highest proportion to the total installed power capacity in India?
Which of the following Sustainable Development Goals (SDGs) is related to the conservation, restoration, and promotion of the sustainable use of terrestrial ecosystems?
Which of the following are commonly responsible for acid rain?
ब्लैक-फुट रोग पेय जल में ________ के संदूषण के कारण होता है।
Which of the following is NOT a requirement for a proper sanitary landfill site?
The issue related to 'traditional knowledge societies and their livelihood' is addressed in the National Mission for _________.
Which of the following is NOT a requirement for a proper sanitary landfill site?
Biogas is a mixture of _________.
Match the LIST-I with LIST-II LIST-I (Environment related Acts) A. Forest Conservation Act B. Wildlife (Protection) Act C. Environment (Protection) Act D. Water (Prevention and con...
Match List -I with List -II List -I (Environmental Acts) A. Forest Conservation Act B. Wildlife (Protection) Act C. Environment (Protection) Act D. Water (Prevention and Control of...
The issue related to 'societies based on traditional knowledge and their livelihoods' has been addressed in the National Mission on:
The Black-foot disease is caused by the contamination of __________ in drinking water.
The biogas is a mixture of _________.
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...
As temperature increases, due to Global Warming, the release of methane from wetlands will increase, is an example of
Which of the following are characteristics of sustainable development? A. Intergenerational equity regarding natural resources. B. Equitable distribution of natural resources in th...
Which of the following statements about coliform bacteria are correct? A. They are used in the testing of water contamination. B. Coliform bacteria are harmless and do not cause an...
Which of the following are true about pure rain water?
International day for biological diversity is observed on
Which of the following are true about coliform bacteria ? A. They are used to test water contamination. B. Coliform bacteria are harmless and cause no disease. C. They are found na...
In which of the following steps of hydrological cycle water is purified?
Why is the concentration of CO2 is more in the Northern Hemisphere than the Southern Hemisphere? A. Land mass is more in the Northern Hemisphere. B. Ocean body is more in the South...
Why is the concentration of CO₂ higher in the Northern Hemisphere compared to the Southern Hemisphere? A. The landmass in the Northern Hemisphere is greater. B. The oceans in the S...