The heat energy released when water vapour changes to a liquid is called:
A. Latent heat of evaporation
B. Latent heat of fusion
C. Latent heat of fission
D. Latent heat of condensation
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Molten rock deep inside the earth is called
A. core
B. valcano
C. lava
D. magma
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Pangolins feed on
A. ants
B. fruits
C. leaves
D. roots
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Suppose saturated polar air has an air temperature and dew point of -10o C, and unsaturated desert air has an air temperature of 35o C and a dew point of 10o C. The desert air contains ______ water vapour and has a ________ relative humidity than the polar air.
A. More, lower
B. More, higher
C. Less, lower
D. Less, higher
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Radiation can cause
A. cardiac disease
B. Haemophilia
C. leukemia
D. bone marrow diseases
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Which of the following is the best indicator of SO2 pollution.
A. bryophyte
B. pteridophyte
C. lichen
D. algae
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The term "latent" means:
A. Late
B. Hot
C. Light
D. Hidden
E. Dense
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Biotic potential is counteracted by
A. Competition with other organisms
B. Producer is the largest
C. Limitation of food supply
D. None of the above
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What is Bagasse? What is it used for?
A. Sugar cane waste --used as to make paper
B. Biogas -- used as fuel
C. Liquid waste --used as fertilizer
D. Vermi compost - used as fertilizer
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Red Data Book Provides data on
A. Red flowered plants
B. Red colored fishes
C. Lists of plants and animals
D. Endangered plants and animals
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A smog that occurs due to low temperature and has reducing environment is
A. los angeles smog
B. photochemical smog
C. london smog
D. greenland smog
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The earth's radiation is often referred to as ________radiation, while the sun's radiation is often referred to as _________radiation.
A. Shortwave, longwave
B. Shortwave, shortwave
C. Longwave, shortwave
D. Longwave, longwave
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Increased surface UV leads to increased __________ ozone
A. tropospheric
B. stratospheric
C. lonospheric
D. exospheric
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Photochemical smog is called
A. Tokyo smog
B. London smog
C. Los Angeles smog
D. None of the above
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The albedo of the earth's surface is only about 4%, yet the combined albedo of the earth and the atmosphere is about 30%. Which set of conditions below best explains why this is so?
A. High albedo of clouds, low albedo of water
B. High albedo of clouds, high albedo of water
C. Low albedo of clouds, low albedo of water
D. Low albedo of clouds, high albedo of water
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The slow rate of decomposition of fallen logs in nature is due to their
A. poor nitrogen content
B. low moisture content
C. low cellulose content
D. anaerobic environment around them
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A high Biological Oxygen Demand (BOD) indicates that:
A. water is pure
B. absence of microbial action
C. Low level of microbial pollution
D. High level of microbial pollution
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Thorn-forests are found in the _______ regions.
A. semi-arid
B. high rain fall areas
C. low temperature
D. frozen areas
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Green plants are absent in deep sea. Why?
A. Light is absent
B. High pressure
C. Low temperature
D. Great depth
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Euro II standard refers to _________
A. Lowering sulfur content in fuel
B. Increasing sulfur content in fuel
C. Lowering carbon content in fuel
D. increasing carbon content in fuel
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