Environment

Question 1

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 2
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 3
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 4
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 5
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 5 Explanation: 
Both are correct and R given proper explanation to A
Question 6
Volcanic eruptions affect
A
atmosphere and hydrosphere
B
hydrosphere and biosphere
C
lithosphere, biosphere and atmosphere
D
lithosphere, hydrosphere and atmosphere
Question 7
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 8
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 9
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 10
Which of the following is not a water-bone disease?
A
Typhoid
B
Hepatitis
C
Cholera
D
Dengue
Question 11
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 12
Which of the following natural hazards is not hydro-meteorological?
A
Snow avalanche
B
Sea erosion
C
Tropical cyclone
D
Tsunami
Question 13
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 14
Which of the following pollutants can cause cancer in humans?
A
Pesticides
B
Mercury
C
Lead
D
Ozone
Question 15
Which of the following phenomena is not a natural hazard?
A
Wildfire
B
Lightning
C
Landslide
D
Chemical contamination
Question 16
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 17
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 18
India's contribution to total global carbon dioxide emissions is about:
A
~15%
B
~3%
C
~6%
D
~10%
Question 19
In which of the countries per capita use of water is maximum?
A
India
B
USA
C
European Union
D
China
Question 20
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
Question 21
Which of the following is a meteorological hazard?
A
Avalanche
B
Coastal erosion
C
Landslide
D
Blizzard
Question 22
Which of the following cities has been worst affected by urban smog in recent times?
A
Paris
B
London
C
Los Angeles
D
Beijing
Question 23
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
Question 24
'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
Question 25
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
Question 26
By the year 2022, the Climate Change Action Plan of Government of India aims at installing
A
20,000 MW of wind power
B
25,000 MW of wind power
C
20,000 MW of solar power
D
10,000 MW of solar power
Question 27
Which one of the following biosphere reserves has UNESCO recognition ?
A
Manas
B
Kanchenjunga
C
Seshachalam Hills
D
Greater Nicobar
There are 27 questions to complete.

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