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
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)
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
Question 4
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
Question 5
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
Question 6
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
Question 7
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)
Question 8
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
Question 8 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 9
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
Question 10
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
Question 11
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
Question 12
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.
Question 13
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
Question 14
Which of the following is not covered in 8 missions under the Climate Action Plan of Government of India?
A
Solar power
B
Waste to energy conversion
C
Afforestation
D
Nuclear energy
Question 15
The concentration of Total Dissolved Solids (TDS) in drinking water should not exceed
A
500 mg/L
B
400 mg/L
C
300 mg/L
D
200 mg/L
Question 16
‘Chipko’ movement was first started by
A
Arundhati Roy
B
Medha Patkar
C
Ila Bhatt
D
Sunderlal Bahuguna
Question 17
The constituents of photochemical smog responsible for eye irritation are
A
SO2 and O3
B
SO2 and NO2
C
HCHO and PAN
D
SO2 and SPM
Question 18
Assertion (A): Some carbonaceous aerosols may be carcinogenic. Reason (R): They may contain polycyclic aromatic hydrocarbons (PAHs).
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 false.
D
(A) is false, but (R) is correct.
Question 18 Explanation: 
Both are correct and R given proper explanation to A
Question 19
Volcanic eruptions affect
A
atmosphere and hydrosphere
B
hydrosphere and biosphere
C
lithosphere, biosphere and atmosphere
D
lithosphere, hydrosphere and atmosphere
Question 20
An earthquake of a magnitude in the range of 6·0 – 6·9 on the Richter Scale is considered
A
Moderate
B
Strong
C
Major
D
Great
Question 21
Frequent episodes of dense smog in winter season in the National Capital Region (NCR) can be attributed to
(i) Stubble burning
(ii) Biomass burning in rural households
(iii) Transport
(iv) Transboundary movement of pollutants
A
(i) and (iii)
B
(i), (ii) and (iii)
C
(i), (iii) and (iv)
D
(i), (ii), (iii) and (iv)
Question 22
Municipal Solid Waste (MSW) comprises of
(i) Household waste
(ii) Sanitation residue
(iii) Waste from streets
(iv) Construction and demolition debris
A
(i), (ii) and (iii)
B
(i) and (iii)
C
(i), (iii) and (iv)
D
(i), (ii), (iii) and (iv)
Question 23
As per the Indian Government’s target for exploiting renewable energy sources, the percentage share of solar and wind energy in the total power generation from renewable energy sources by the year 2022 will be about
A
~ 91·43%
B
~ 57·14%
C
~ 50%
D
~ 60%
Question 24
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
Question 25
Which of the following is not a water-bone disease?
A
Typhoid
B
Hepatitis
C
Cholera
D
Dengue
Question 26
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
Question 27
Which of the following natural hazards is not hydro-meteorological?
A
Snow avalanche
B
Sea erosion
C
Tropical cyclone
D
Tsunami
Question 28
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
Question 29
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)
Question 30
Which of the following pollutants can cause cancer in humans?
A
Pesticides
B
Mercury
C
Lead
D
Ozone
Question 31
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
Question 32
Which of the following phenomena is not a natural hazard?
A
Wildfire
B
Lightning
C
Landslide
D
Chemical contamination
Question 33
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
Question 34
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
Question 35
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
Question 36
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
Question 37
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.
Question 38
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%
Question 39
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
Question 40
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
Question 41
India's contribution to total global carbon dioxide emissions is about:
A
~15%
B
~3%
C
~6%
D
~10%
Question 42
In which of the countries per capita use of water is maximum?
A
India
B
USA
C
European Union
D
China
Question 43
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
Question 44
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
Question 45
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
Question 46
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
Question 47
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
Question 48
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.
Question 49
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%
Question 50
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
There are 50 questions to complete.

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