UGC NET Paper 1 — Environmental Science
887 questions across 12 years
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50 questions shown from 2021.
A coal fired thermal power plant has an efficiency of 35%. The electricity from the power plant is used entirely for lighting purposes with average efficiency of 20%. What is the o...
As per Sustainable Development Goal 3, one of the targets is to reduce under-5 mortality per 1000 live births to at least as low as
In a polluted urban area, which of the following constituents of photochemical smog has the least concentration (parts per billion by volume)?
For drinking and irrigation purposes, the availability of suitable water out of earth's total water supplies is about less than
Convention on Biodiversity was signed during
According to Noise Pollution (Regulation and Control) Rules, 2000, the night time noise standard for commercial areas in India is?
In agricultural regions, groundwater can have significant concentrations of which pollutant?
How many missions are there under the Climate Action Plan of Govt. of India?
Eutrophication in a water body leads to which of the following? A. Bloom of algae B. Increase in the level of dissolved oxygen (DO) C. Increase in turbidity and odor of the water b...
Under Sustainable Development Goal 12- Sustainable Consumption and Production, one of the targets is to reduce per capita food waste at the retail and consumer levels by:
Nationally Determined Contributions of European Union (EU) countries aim at a reduction in Green House Gas emissions by the year 2030 (in the reference to 1990 levels) to the exten...
Match List I with List II List I A. Kyoto Protocol B. Montreal Protocol C. Paris Agreement D. International Solar Alliance List II I. Clean and Affordable Energy II. Clean Developm...
Which of the following has positive radiative forcing or warming effect in the global climate?
What is gasohol?
Which of the following types of power plants provide electricity consistently running 24 hrs per day, 7 days a week?
The second highest concentration in biogas is that of
Given below are two statements Statement I: Aerobic digestion of sewage sludge requires lots of energy Statement II: Aerobic digestion of sewage sludge produces huge amount of meth...
According to composition (%) of typical fine continental aerosols, identify the correct sequence in decreasing order. A. Sulphate B. Ammonium C. Organic carbon D. Elemental Carbon...
The target year for achieving the Sustainable Development Goals is
Small hydro power potential in India is estimated approximately as
Which of the following Green House bases were the target gases whose emission was to be covered under the first commitment period of the Kyoto protocol? A. SO2 B. CO2 C. N2O D. NH3...
Given below are two statements: Statement I: Wind farms are generally set up on exposed hilltops or coasts in remote areas. Statement II: Wind velocities are steady in these remote...
Point sources of water pollution are: A. Underground coal mines B. Run-off from farm fields C. Sewage treatment plants D. Run-off from roads and construction sites E. Power plants...
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Ground level concentration of ozone decreases at night Reason R: U...
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: Natural disasters exacerbate poverty in developing countries. Reas...
In a typical fine continental aerosol, according to its composition, which of the following constituents is most abundant?
Which of the following contaminants in water can cause adverse human effects such as mental disturbance and impairment of speech, hearing and vision?
The global environmental issue of Ozone depletion is due to emission of: (a) Sulphur dioxide (b) Chlorinated hydrocarbons (c) Methane (d) Carbon dioxide Choose the most appropriate...
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R: Assertion A: In comparison to coal and oil, natural gas contributes much less...
Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R. Assertion A: Production of electricity from Renewable Energy sources is withou...
The optimal range of wind speeds for wind power generation is:
Which of the following pollutants termed 'short-lived climate pollutants'? A. Black Carbon (BC) B. Methane (CH4) C. Hydrofluorocarbons (HFCs) D. Surface Ozone (O3) E. Carbon dioxid...
Targets of Goal 7 of the Millennium Development Goals (MDG) are A. Control global warming B. Universal access to modern energy C. Increase global percentage of renewable energy D....
Match List I with List II List I (Disaster Management Cycle Components) A. Prevention B. Preparedness C. Recovery D. Response List II (Explanation) I. Land-use planning II. Rescue...
The main environmental concern associated with geothermal energy is the release of
The global environmental issue of Ozone depletion is due to emission of : A. Sulphur dioxide B. Chlorinated hydrocarbons C. Methane D. Carbone dioxide Choose the most appropriate a...
During a combustion process, the following air pollutants are produced: A. Nitric oxide B. Nitrogen dioxide C. Nitrous oxide D. Carbon monoxide E. Ozone Choose the correct answer f...
Match List I with List II List I A. Montreal Protocol B. Rio Summit C. Kyoto protocol D. Paris agreement List II I. Environment and sustainable development II. Reduce the emission...
As part of the Intended Nationally Determined Contributions, India's target of 33-35% reduction in carbon emission intensity by the year 2030 is sought to be achieved with referenc...
'Solar water still' is a device to
By the year 2030. Sustainable Development Goal 7 aims at enhancing the global rate of improvement in energy efficiency by a factor of
'Wheezing' is the most relevant Health Effect in case of the air pollutant
During second commitment period (2013-2020) for parties under Kyoto Protocol. the target for reduction in Green House emissions with reference to 1990 levels, is
Given below are two statements, one is labelled as Assertion A and the other is labelled as Reason R Assertion A: As a rule of thumb, sites of average wind speed 8 m/s or above can...
Identify the correct sequence of countries in increasing order of their present annual carbon dioxide emissions. A. India B. China C. USA D. Russia E. Japan Choose the correct answ...
The primary treatment of wastewater involves removal of
Tidal range (R) is a critical factor in determining whether an estuary would be useful for tidal power generation as energy (E) available per tidal cycle depends on scales with R a...
Which of the following factors have affected the western ghats? A. Sensitive bio-diversity B. Formation of human settlements C. Flora and Fauna of the area D. Promotion of unchecke...
Read the given passage carefully and answer the following question. Two factors have mainly caused the present disastrous conditions and events. One is the change in rainfall patte...
Read the given passage carefully and answer the following question. Two factors have mainly caused the present disastrous conditions and events. One is the change in rainfall patte...