101. Harmful ultraviolet radiation coming from the sun can cause
Liver cancer
Brain cancer
Oral cancer
Dermal cancer
102. Biodiversity means
diverse kinds of plants and vegetation.
diverse kinds of animals.
diverse kinds of plants and animals in a particular area.
diverse kinds of exotic plants and animals.
103. The most important factor contributing to the loss of vulture population in India is
viral infection
bacterial infection
administering of pain killers to cattle
administering of estrogen injection to cattle
104. The main pollutant in the smoke coming from cigarette is
Carbon monoxide and Dioxicine
Carbon monoxide and Nicotine
Carbon monoxide and Benzene
Dioxicine and Benzene
105. The problem of water pollution with Arsenic is maximum in
Haryana
Rajasthan
Madhya Pradesh
West Bengal
106. Which of the following is not correct about the ecosystem?
It comprises both abiotic and biotic components.
It has its own productivity.
It is closed system.
It is a natural resource.
107. Which of the following has been identified as a ‘biodiversity hotspot’ in India?
Sundarbans
Western Ghats
Manas
Cherrapunji
108. Which of the following is NOT responsible for increase in the biodiversity of an ecosystem?
Productivity of the ecosystem
Intermediate – disturbance
Age of the ecosystem
Less number of tropic levels
109. Which of the following is the most significant factor in coral bleaching?
Mining of coral rocks
outbreak of coral diseases
Siltation of seawater
Global warming
110. 19th November is observed as the
World Green Day
World Anti-poverty Day
World Toilet Day
World Clean Water Day
111. Which of the following is a correct statement?
Energy flow in the biospheric ecosystem is unidirectional.
Energy flow in the biospheric ecosystem is cyclic.
Relative loss of energy in natural ecosystem decreases with increasing trophic levels.
Species at progressively higher trophic levels appear to be less efficient in using the available energy.
112. The maximum biodiversity is found in
tundra
coniferous forests
tropical rainforests
temperate forests
113. Which of the following is an artificial ecosystem?
Rice field
Forest
Grassland
Lake
114. The main reason for the decrease in biodiversity is
habitat pollution
introduction of exotic species
overexploitation
natural habitat destruction
115. Which of the following Acts provides for protection to wild animals in India?
Wild Animal Protection Act, 1972
Forest Protection Act, 1982
Environment Protection Act, 1996
West Bengal Wild Animal Protection Act, 1959
116. Which one of the following is the correct order of biological organisation ranging from organism to biosphere?
Population → Ecosystem → Community → Landscape
Landscape → Community → Ecosystem → Population
Population → Community → Ecosystem → Landscape
Population → Landscape → Community → Ecosystem
117. Which one of the following is not correctly matched? Green House Gas Source
Carbon dioxide – Thermal Power Stations
Chlorofluorocarbon – Automobile
Nitrous Oxide – Waterlogged paddy fields
Sulphur dioxide – Brick Kilns
118. The size of the Respirable Suspended Particulate Matter (RSPM) in air is
more than 7 µm (micron)
more than 6 µm (micron)
more than 5 µm (micron)
less than 5 µm (micron)
119. ‘The Decade of Sustainable Energy for All’ is the initiative of
United Nations
India
Germany
World Bank
120. Bhopal Gas Tragedy was caused due to the leakage of
methyl isocyanate
nitrogen dioxide
sulphur dioxide
carbon monoxide
12 Total Test
360 Total Question
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75 Total Test
2250 Total Question
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69 Total Test
2070 Total Question
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