Environment

Question 1

Identify from the options given below, the co-benefit of Montreal Protocol.

A
Impetus to development of energy efficient systems
B
Reduction in carbon dioxide (equivalent) emissions
C
Convergence of efforts of international community in addressing air pollution
D
Control of trans-boundary movement of hazardous waste
       Environment       Montreal-Protocol       UGC-NET Dec 2019 Part-1
Question 2

The most important pollutants that cause degradation of water quality in rivers and streams are

    (a) Bacteria
    (b) Nutrients
    (c) Metals
    (d) Total dissolved solids
    (e) Algae

Choose the most appropriate answer from the options given below:

A
(a), (b) and (c)
B
(a), (b) and (d)
C
(a), (b), (d) and (e)
D
(a), (b), (c), (d) and (e)
       Environment       Water-Pollution       UGC-NET Dec 2019 Part-1
Question 3

Under Green India Mission, how many hectares of degraded forest land is to be brought under afforestation?

A
02 million hectares
B
06 million hectares
C
08 million hectares
D
20 million hectares
       Environment       Environment       UGC-NET Dec 2019 Part-1
Question 4
Solar ponds store solar thermal energy by?
A
Photovoltaic cells
B
Creating salt gradient
C
Using solar thermal collectors
D
Covering major portion of pond by plastic sheets
       Environment       Energy-Sources       NTA UGC NET DEC-2022 Paper-1       Video-Explanation
Question 5
Which of the following are responsible for formation and destruction of ozone (O3) in upper atmosphere?
A. Solar radiation
B. Oxides of nitrogen (NOx)
C. Black carbon
D. Chlorine (CI)
E. Ammonia (NH3)
Choose the most appropriate answer from the options given below:
A
A, B and D only
B
B, C and D only
C
C, D and E only
D
A, C and E only
       Environment       Ozone-Layer       NTA UGC NET DEC-2022 Paper-1       Video-Explanation
Question 6
Which of the following are primary aerosols in atmosphere?
A. Sea salt
B. Black carbon
C. Sulphate
D. Nitrate
E. Mineral Particles
Choose the most appropriate answer from the options given below:
A
A, B and C only
B
B, C and D only
C
A, B and E only
D
C, D and E only
       Environment       Energy-Sources       NTA UGC NET DEC-2022 Paper-1       Video-Explanation
Question 7
Given below are two statements:
Statement I: Dose-response assessment is the process of determining whether or not a particular chemical is casually linked to particular health effect.
Statement II: Hazard identification is the process of characterizing the relationship between the dose of an toxic agent received and the incidence of an adverse health effect.
In the light of the above statements. Choose the most appropriate answer from the options given below:
A
Both Statement I and Statement II are correct.
B
Both Statement I and Statement II are incorrect.
C
Statement I is correct but Statement II is incorrect.
D
Statement I is incorrect but Statement II is correct.
       Environment       Assertion-Reason-Environment       NTA UGC NET DEC-2022 Paper-1       Video-Explanation
Question 8
Lower Level of Dissolved Oxygen (DO) in water
A. is bad for human consumption.
B. may have been caused due to presence of oxygen demanding waters.
C. threatens the fish and aquatic life.
D. cannot be used for irrigation purposes.
E. may cause undesirable taste and odour.
Choose the most appropriate answer from the options given below:
A
A, B and C only
B
A, B and D only
C
B, C and E only
D
C, D and E only
       Environment       Water-Pollution       NTA UGC NET DEC-2022 Paper-1       Video-Explanation
Question 9
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): Carbon monoxide (CO) is a serious asphyxiant; even a short exposure may have fatal health issues.
Reason (R): Hemoglobin present in the blood has greater affinity towards carbon monoxide than oxygen.
In the light of the above statements, choose the most appropriate answer from the options given below:
A
Both (A) and (R) are correct and (R) is the correct explanation of (A)
B
Both (A) and (R) are correct but (R) is NOT the correct explanation of (A)
C
(A) is correct but (R) is not correct
D
(A) is not correct but (R) is correct
       Environment       Assertion-Reason-Environment       UGC NET November 2020 Paper-1
Question 10
Wind energy is very sensitive to the wind velocity because wind power is directly proportional to the
A
wind velocity
B
square of the wind velocity
C
square root of the wind velocity
D
cube of the wind velocity
       Environment       Wind-Energy       UGC NET November 2020 Paper-1
Question 11
Given below are two statements: One is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): Carbon dioxide emissions from bioenergy. Production has traditionally been excluded from most emission inventories and climate impact studies.
Reason (R): Carbon dioxide emissions associated with production of bioenergy are significantly less compared to those from combustion of fossil fuels.
In the light of the above statements, choose the correct answer from the options given below:
A
Both (A) and (R) are true and (R) is the correct explanation of (A)
B
Both (A) and (R) are true and (R) is NOT the correct explanation of (A)
C
(A) is true but (R) is false
D
(A) is false but (R) is true
       Environment       Assertion-Reason-Environment       UGC NET November 2020 Paper-1
Question 12
During the physical treatment process of wastewater, what is the correct order of following operations to be followed?
A) Flocculation
B) Filtration
C) Screening
D) Sedimentation
Choose the correct answer from the options given below:
A
(C), (D), (B), (A)
B
(C), (D), (A), (B)
C
(B), (D), (A), (C)
D
(B), (C), (D), (A)
       Environment       Water-Pollution       UGC NET November 2020 Paper-1
Question 13
Which of the International Agreements/Convention/Protocols are legally binding on the member countries (parties)?
A) Convention on Biological Diversity
B) Kyoto Protocol
C) Montreal Protocol
D) Paris Agreement
Choose the most appropriate answer from the options given below:
A
(C) only
B
(A) and (C) only
C
(A), (B) and (C) only
D
(B), (C) and (D) only
       Environment       Protocols       UGC NET November 2020 Paper-1
Question 13 Explanation: 
In 1997, the Kyoto Protocol was concluded and established legally binding obligations for developed countries to reduce their greenhouse gas emissions.
The Kyoto Protocol to the United Nations Framework Convention on Climate Change (UNFCCC) sets binding obligations on industrialized countries to reduce emissions of greenhouse gases
In the given question, it mentioned that member countries only.
Binding commitments for the Annex I Parties. The main feature of the Protocol is that it established legally binding commitments to reduce emissions of greenhouse gases for Annex I Parties
Question 14
Match List-I with List-II and select List-I    t the correct answer using the codes gh List-II Codes: (a)        (b)        (c)        (d)
A
(i) (ii) (iii) (iv)
B
(i) (iii) (iv) (ii)
C
(i) (iii) (ii) (iv)
D
(iii) (ii) (i) (iv)
       Environment       People       2009 June UGC NET Paper 1
Question 15
Environmental impact assessment is an objective analysis of the probable changes in:
A
physical characteristics of the environment
B
biophysical characteristics of the environment
C
socio-economic characteristics of the environment
D
all the above
       Environment       Environment       2009 June UGC NET Paper 1
Question 16
Bog is a wetland that receives water from:
A
nearby water bodies
B
melting
C
rain fall only
D
sea only
       Environment       Environment       2009 June UGC NET Paper 1
Question 17
Which of the following region is in the very high risk zone of earthquakes?
A
Central Indian Highland
B
Coastal region
C
Himalayan region
D
Indian desert
       Environment       Environment       2009 June UGC NET Paper 1
Question 18
Indian coastal areas experienced Tsunami disaster in the year:
A
2005
B
2004
C
2006
D
2007
       Environment       Tsunami       2009 June UGC NET Paper 1
Question 19
The dominant source of pollution due to oxides of nitrogen (NO x ) in urban areas is
A
Road transport
B
Commercial sector
C
Energy use in industry
D
Power plants
       Environment       Environment       2017 January NTA UGC NET Paper 1
Question 20
Which of the following is not a water-bone disease?
A
Typhoid
B
Hepatitis
C
Cholera
D
Dengue
       Environment       Environment       2017 January NTA UGC NET Paper 1
Question 21
In which country, the recent international agreement on phasing out Hydro Fluoro Carbons (HFCs) was signed?
A
Rwanda
B
Morocco
C
South Africa
D
Algeria
       Environment       Environment       2017 January NTA UGC NET Paper 1
Question 22
Which of the following natural hazards is not hydro-meteorological?
A
Snow avalanche
B
Sea erosion
C
Tropical cyclone
D
Tsunami
       Environment       Environment       2017 January NTA UGC NET Paper 1
Question 23
Indian government's target for power production from small hydro projects by the year 2022 is
A
1 Giga-Watt
B
5 Giga-Watt
C
10 Giga-Watt
D
15 Giga-Watt
       Environment       Energy-Sources       2017 January NTA UGC NET Paper 1
Question 24
Inside rural homes, the source/sources of Nitrogen Oxide Pollution may be:
(a) Unvented gas stoves
(b) Wood stoves
(c) Kerosene heaters
A
(a) and (b) only
B
(b) and (c) only
C
(b) only
D
(a), (b) and (c)
       Environment       Environment       2015 December NTA UGC NET Paper 1
Question 25
Which of the following pollutants can cause cancer in humans?
A
Pesticides
B
Mercury
C
Lead
D
Ozone
       Environment       Environment       2015 December NTA UGC NET Paper 1
Question 26
Assertion (A): People population control measures do not necessarily help in checking environmental degradation.
Reason (R): The relationship between population growth and environmental degradation is rather complex.
A
Both (A) and (R) are true and (R) is the correct explanation of (A).
B
Both (A) and (R) are true but (R) is not the correct explanation of (A).
C
(A) is true but (R) is false.
D
(A) is false but (R) is true
       Environment       Assertion-Reason-Environment       2015 December NTA UGC NET Paper 1
Question 27
Which of the following phenomena is not a natural hazard?
A
Wildfire
B
Lightning
C
Landslide
D
Chemical contamination
       Environment       Environment       2015 December NTA UGC NET Paper 1
Question 28
As part of National Climate Change Policy, Indian government is planning to raise the installed capacity of renewable energy by the year 2030 to
A
175 GW
B
200 GW
C
250 GW
D
350 GW
       Environment       Energy-Sources       2015 December NTA UGC NET Paper 1
Question 29
At present, in terms of per capita energy consumption (kWh/year), identify the correct sequence.
A
Brazil > Russia > China > India
B
Russia > China > India > Brazil
C
Russia > China > Brazil > India
D
China > Russia > Brazil > India
       Environment       Energy-Sources       2015 December NTA UGC NET Paper 1
Question 30
Which of the following is the largest source of water pollution in major rivers of India?
A
Untreated sewage
B
Agriculture run-off
C
Unregulated small scale industries
D
Religious practices
       Environment       Water-Pollution       2016 July NTA UGC NET Paper 1
Question 31
Indian government’s target of producing power from biomass by the year 2022, is
A
50 MW
B
25 MW
C
15 MW
D
10 MW
E
None of the Above
       Environment       Energy-Sources       2016 July NTA UGC NET Paper 1
Question 32
Assertion (A): Conserving our soil resources is critical to human survival.
Reason (R): Soil is home to many micro-organisms and contains minerals.
A
Both (A) and (R) are correct and (R) is the correct explanation of (A).
B
Both (A) and (R) are correct but (R) is not the correct explanation of (A).
C
(A) is true and (R) is false.
D
(A) is false and (R) is true.
       Environment       Assertion-Reason-Environment       2016 July NTA UGC NET Paper 1
Question 33
World Meterological Organisation’s (WMO) objective has been to reduce the number of deaths to hydrometerological disasters over the decade 2010-2019 by (with reference to the decade 1994-2003)
A
25%
B
50%
C
75%
D
80%
       Environment       Environment       2016 July NTA UGC NET Paper 1
Question 34
Identify the air pollutant in urban areas which irritates eyes and also respiratory tract of human beings.
A
Particulate matter
B
Oxides of nitrogen
C
Surface ozone
D
Carbon monoxide
       Environment       Air-Pollution       2016 July NTA UGC NET Paper 1
Question 35
The factors which are most important in determining the impact of anthropogenic activities on environment are:
A
Population, forest cover and land available per person
B
Population, affluence per person, land available per person
C
Population, affluence per person and the technology used for exploiting resources
D
Atmospheric conditions, population and forest cover
       Environment       Environment       2015 June NTA UGC Paper 1
Question 36
India's contribution to total global carbon dioxide emissions is about:
A
~15%
B
~3%
C
~6%
D
~10%
       Environment       Environment       2015 June NTA UGC Paper 1
Question 37
In which of the countries per capita use of water is maximum?
A
India
B
USA
C
European Union
D
China
       Environment       Environment       2015 June NTA UGC Paper 1
Question 38
Two earthquakes A and B happen to be of magnitude 5 and 6 respectively on Richter Scale.
The ratio of the energies released E B /E A will be approximately:
A
~64
B
~8
C
~16
D
~32
       Environment       Earthquake       2015 June NTA UGC Paper 1
Question 39
In the recently launched Air Quality Index in India, which of the following pollutants is not included?
A
Chlorofluorocarbons
B
Carbon monoxide
C
Fine particulate matter
D
Ozone
       Environment       Air-Pollution       2015 June NTA UGC Paper 1
Question 40
Which of the following combinations represent renewable natural resources?
A
Oil, forests and tides
B
Fertile soil, fresh water and natural gas
C
Clean air, phosphates and biological diversity
D
Fishes, fertile soil and fresh water
       Environment       Energy-Sources       2015 June NTA UGC Paper 1
Question 41
The arsenic pollution in ground water in Bangladesh and parts of India is due to
A
Industrial waste
B
Thermal power plants
C
Natural sources
D
Agricultural practices
       Environment       Water-Pollution       2016 August NTA UGC NET Paper 1
Question 42
Among the following air pollutants which directly impacts human health as well as climate?
A
Soot
B
Sulphur dioxide
C
Oxides of nitrogen
D
Chlorofluoro carbons
       Environment       Air-Pollution       2016 August NTA UGC NET Paper 1
Question 43
Assertion (A): The problems of environmental sustainability are difficult to resolve.
Reason (R): Our understanding how environment works and how different human choices affect environment is inadequate.
Choose the correct code:
A
Both (A) and (R) are correct and (R) is the correct explanation of (A).
B
Both (A) and (R) are correct, but (R) is not the correct explanation of (A).
C
(A) is true and (R) is false.
D
(A) is false and (R) is true.
       Environment       Assertion-Reason-Environment       2016 August NTA UGC NET Paper 1
Question 44
The percentage share of electrical power from solar energy in the total electric power generation from all renewable energy sources sought to be achieved by Indian government by the year 2022, is
A
~ 57.1%
B
~ 65.5%
C
~ 47.5%
D
~ 75%
       Environment       Energy-Sources       2016 August NTA UGC NET Paper 1
Question 45
As part of Intended Nationally Determined contributions, Indian government through additional forest and tree cover has resolved to create an additional carbon sink (in terms of carbon dioxide equivalent) by year 2030 to the extent of
A
3.5 to 4 billion tons
B
2.5 to 3 billion tons
C
1.5 to 2 billion tons
D
1 to 1.5 billion tons
       Environment       Environment       2016 August NTA UGC NET Paper 1
Question 46
Which of the following is a meteorological hazard?
A
Avalanche
B
Coastal erosion
C
Landslide
D
Blizzard
       Environment       Environment       2016 August NTA UGC NET Paper 1
Question 47
Which of the following cities has been worst affected by urban smog in recent times?
A
Paris
B
London
C
Los Angeles
D
Beijing
       Environment       Environment       2014 June UGC NET Paper 1
Question 48
The primary source of organic pollution in fresh water bodies is
A
run-off urban areas
B
run-off from agricultural forms
C
sewage effluents
D
industrial effluents
       Environment       Environment       2014 June UGC NET Paper 1
Question 49
'Lahar' is a natural disaster involving
A
eruption of large amount of material
B
strong winds
C
strong water waves
D
strong wind and water waves
       Environment       Environment       2014 June UGC NET Paper 1
Question 50
In order to avoid catastrophic consequences of climate change, there is general agreement among the countries of the world to limit the rise in average surface temperature of earth compared to that of pre-industrial times by
A
1.5 oC to 2 oC
B
2.0 oC to 3.5 oC
C
0.5 oC to 1.0 oC
D
0.25 oC to 0.5 oC
       Environment       Environment       2014 June UGC NET Paper 1
There are 50 questions to complete.

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