101. The slogan “A tree for each child” was coined for
(A) Social forestry programme
(B) Clean Air programme
(C) Soil conservation programme
(D) Environmental protection programme
Answer: (A)
102. The main constituents of biogas are
(A) Methane and Carbon di-oxide
(B) Methane and Nitric oxide
(C) Methane, Hydrogen and Nitric oxide
(D) Methane and Sulphur di-oxide
Answer: (A)
103. Assertion (A): In the world as a whole, the environment has degraded during past several decades.
Reason (R): The population of the world has been growing significantly.
(A) (A) is correct, (R) is correct and (R) is the correct explanation of (A).
(B) (A) is correct, (R) is correct and (R) is not the correct explanation of (A).
(C) (A) is correct, but (R) is false.
(D) (A) is false, but (R) is correct.
Answer: (B)
104 Climate change has implications for
1. soil moisture
2. forest fires
3. biodiversity
4. ground water
Identify the correct combination according to the code:
Codes :
(A) 1 and 3
(B) 1, 2 and 3
(C) 1, 3 and 4
(D) 1, 2, 3 and 4
Answer: (B)
105 The Sagarmanthan National Park has been established to preserve the eco-system of which mountain peak?
(A) Kanchenjunga
(B) Mount Everest
(C) Annapurna
(D) Dhaulavira
Answer: (B)
106. Maximum soot is released from
(A) Petrol vehicles
(B) CNG vehicles
(C) Diesel vehicles
(D) Thermal Power Plants
Answer: (D)
107. Surface Ozone is produced from
(A) Transport sector
(B) Cement plants
(C) Textile industry
(D) Chemical industry
Answer: (A)
108. Which one of the following non-conventional energy sources can be exploited most economically?
(A) Solar
(B) Wind
(C) Geo-thermal
(D) Ocean Thermal Energy Conversion (OTEC)
Answer: (A)
109 The most recurring natural hazard in India is
(A) Earthquakes
(B) Floods
(C) Landslides
(D) Volcanoes
Answer: (B)
110. Human ear is most sensitive to noise in which of the following ranges:
(A) l-2 KHz
(B) 100-500 Hz
(C) 10-12 KHz
(D) 13-16 KHz
Answer: (Wrong question)
111. Which one of the following units is used to measure intensity of noise?
(A) decibel
(B) Hz
(C) Phon
(D) Watts/m2
Answer: (A)
112. If the population growth follows a logistic curve, the maximum sustainable yield:
(A) is equal to half the carrying capacity.
(B) is equal to the carrying capacity.
(C) depends on growth rates.
(D) depends on the initial population.
Answer: (A)
113 Chemical weathering of rocks is largely dependent upon:
(A) high temperature
(B) strong wind action
(C) heavy rainfall
(D) glaciation
Answer: (C)
115. Structure of earth's system consists of the following:
Match List-I with List-II and give the correct answer.
List-I (Zone) List-II (Chemical Character)
(a) Atmosphere (i) Inert gases
(b) Biosphere (ii) Salt, fresh water, snow and ice
(c) Hydrosphere (iii) Organic substances, skeleton matter
(d) Lithosphere (iv) Light silicates
Codes:
(a) (b) (c) (d)
(A) (ii) (iii) (i) (iv)
(B) (i) (iii) (ii) (iv)
(c) (ii) (i) (iii) (iv)
(D) (iii) (i) (ii) (iv)
Answer: (B)
116. Deforestation during the recent decades has led to:
(A) Soil erosion
(B) Landslides
(C) Loss of bio-diversity
(D) All the above
Answer: (D)
117 Which one of the following natural hazards is responsible for causing highest human disaster?
(A) Earthquakes
(B) Snow-storms
(C) Volcanic eruptions
(D) Tsunami
Answer: (D)
118. Which one of the following is appropriate for natural hazard mitigation?
(A) International AID
(B) Timely Warning System
(C) Rehabilitation
(D) Community Participation
Answer: (B)
119. Slums in metro-city are the result of:
(A) Rural to urban migration
(B) Poverty of the city-scape
(C) Lack of urban infrastructure
(D) Urban-governance
Answer: (A)
120. The great Indian Bustard bird is found in:
(A) Thar Desert of India
(B) Coastal regions of India
(C) Temperate Forests in the Himalaya
(D) Tarai zones of the Himalayan Foot
Answer: (A)
121. Tsunami occurs due to:
(A) Mild earthquakes and landslides in the oceans
(B) Strong earthquakes and landslides in the oceans
(C) Strong earthquakes and landslides in mountains
(D) Strong earthquakes and landslides in deserts
Answer: (B)
122. Which of the natural hazards have big effect on Indian people each year?
(A) Cyclones
(B) Floods
(C) Earthquakes
(D) Landslides
Answer: (B)
123. Comparative Environment Impact Assessment study is to be conducted for:
(A) the whole year
(B) three seasons excluding monsoon
(C) any three seasons
(D) the worst season
Answer: (A)
124. Sea level rise results primarily due to:
(A) Heavy rainfall
(B) Melting of glaciers
(C) Submarine volcanism
(D) Seafloor spreading
Answer: (B)
125. The plume rise in a coal based power plant depends on:
(i) Buoyancy
(ii) Atmospheric stability
(iii) Momentum of exhaust gases
Identify the correct code:
(A) (i) and (ii) only
(B) (ii) and (iii) only
(C) (i) and (iii) only
(D) (i), (ii) and (iii)
Answer: (B)
126. The most significant impact of volcanic eruption has been felt in the form of:
(A) change in weather
(B) sinking of islands
(C) loss of vegetation
(D) extinction of animals
Answer: (A)
127. With absorption and decomposition of CO2 in ocean water beyond desired level, there will be:
(A) decrease in temperature
(B) increase in salinity
(C) growth of phytoplankton
(D) rise in sea level
Answer: (C)
128. Arrange column II in proper sequence so as to match it with column I and choose the correct answer from the code given below:
Column I Column II
Water Quality pH Value
(a) Neutral (i) 5
(b) Moderately acidic (ii) 7
(c) Alkaline (iii) 4
(d) Injurious (iv) 8
Code:
(a) (b) (c) (d)
(A) (ii) (iii) (i) (iv)
(B) (i) (iii) (ii) (iv)
(C) (ii) (i) (iv) (iii)
(D) (iv) (ii) (iii) (i)
Answer: (A)
129. The maximum emission of pollutants from fuel sources in India is caused by:
(A) Coal
(B) Firewood
(C) Refuse burning
(D) Vegetable waste product
Answer: (A)
130. The urbanisation process accounts for the wind in the urban centres during nights to remain:
(A) faster than that in rural areas
(B) slower than that in rural areas
(C) the same as that in rural areas
(D) cooler than that in rural areas
Answer: (A)
131. Soils in the Mahanadi delta are less fertile than those in the Godavari delta because of:
(A) erosion of top soils by annual floods
(B) inundation of land by sea water
(C) traditional agriculture practices
(D) the derivation of alluvial soil from red-soil hinterland
Answer: (A)
132 Assertion (A): Aerosols have potential for modifying climate
Reason (R): Aerosols interact with both short waves and radiation
(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
133. What is the name of the Research station established by the Indian Government for 'Conducting Research at Antarctic?
(A) Dakshin Gangotri
(B) Yamunotri
(C) Uttari Gangotri
(D) None of the above
Answer: (A)
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