121. Which one of the following is not correctly matched? Pollutant – Disease caused
Mercury – Minamata disease
Cadmium – Itai-Itai disease
Nitrate ion – Blue baby syndrome
Fluoride ion – Indigestion
122. Which of the following is considered to be the optimum concentration of carbon dioxide for natural balance in atmosphere?
0.02 per cent
0.03 per cent
0.04 per cent
0.05 per cent
123. The Government of India enacted the Forest Conservation Act in the year
1976
1980
1983
1988
124. Biodiversity has maximum danger from
destruction of natural habitats and vegetation
improper agricultural operations
climate change
water pollution
125. Which one of the following ecosystems has maximum plant biomass?
Tropical deciduous forest
Tropical rainforest
Temperate deciduous forest
Desert shrubs
126. Which one of the following is not correctly matched?
World Environment Day – 5th June
Earth Day – 22nd April
Anti-Tobacco Day – 5th May
Ozone Day – 16th September
127. Which among the following is the secondary pollutant?
Smog
Carbondioxide
Carbon mono-oxide
Fly ash
128. In which of the following ecosystems the species diversity is relatively higher?
Deep sea
Tropical rain forest
Coral reefs
Desert
129. Which is the most stable ecosystem?
Marine (ocean)
Forest
Mountain
Desert
130. Incinerators are used for which of the following?
Burning wastes
Putting wastes into them
For cutting green trees
For making fertilizers
131. Which pain killer given to cattle is responsible of near extinction of vultures in India?
Ibuprofen
Acetaminophen
Asprin
Diclofenac
132. Which of the following statements are true? 1. Natural disasters cause maximum damage in developing countries. 2. Bhopal gas tragedy was man-made. 3. India is a disaster free country. 4. Mangroves reduce the impact of cyclones. Select the correct answer from the codes given below: Codes:
1, 2 and 3
2, 3 and 4
1, 2 and 4
1, 3 and 4
133. Which of the following energy sources produces NO atmospheric pollution?
Nuclear energy
Solar energy
Petroleum energy
Coal energy
134. Which of the following is an example of anthropogenic biome?
Fresh water
Grassland
Rain forest
Cropland
135. India’s first National Centre for Marine Biodiversity (NCMB) is located in which city?
Bhavnagar
Jamnagar
Mumbai
Puducherry
136. When the World Biodiversity Day is observed?
March, 22
May, 22
June, 23
April, 16
137. Which of the following is concerned with soil?
Edaphic
Climatic
Biotic
Topography
138. Which of the following is NOT an example of in-situ conservation strategy?
Biosphere reserve
Botanical garden
National Park
Sacred groves
139. Methane is emitted from which of the following?
Paddy fields only
Termitary only
Both from (a) and (b)
None of the above
140. The biggest contribution to air pollution in Calcutta is:
automobiles
power plants
small scale industrial units
tanneries
12 Total Test
360 Total Question
Scientifically designed for PCS
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IAS PCS SCC and others
75 Total Test
2250 Total Question
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IAS PCS SCC and others
69 Total Test
2070 Total Question
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