'Red Data Book' provides data on
A. Biota of Red Sea
B. Effect of red light or photosynthesis
C. Red pigmented plants
D. Threatened species
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Which will be more sensitive to acidity?
A. Microbes
B. Algae
C. Game fishes
D. None of these
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Which of the following is must to determine the climate?
A. Distance of earth from the sun
B. Geometry of the earth-atmosphere system
C. Movement of earth around the sun
D. None of these
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Man occupies a unique position in biosphere
A. Large volume of brain
B. Skilled hand
C. Superb memory
D. All of the above
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Jhuming occurs in India in
A. Hilly areas
B. Madhya Pradesh
C. North East
D. Malabar area
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Biogeochemical cycling refers to cycling of
A. Energy in the ecosystems
B. Nutrients in the ecosystem
C. Water
D. Gases between plants and animals
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When food is derived by killing the host, this sort of interaction is
A. Predation
B. Parasitism
C. Antibiosis
D. None of these
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The ultimate source of H2 for biological conservation of solar energy is
A. Air
B. Solar radiations
C. Water
D. Plant body itself
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Soil erosion is more where
A. Rainfall is high
B. No rainfall
C. Low rainfall
D. None of these
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Ultra Violet radiations from sunlight cause a reaction which produces
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Which of the following kingdom contains species that can convert ammonia to nitrite and nitrite to nitrate?
A. Monera
B. Protista
C. Fungi
D. Plantae
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The precipitation reaching the ground distribute in different ways as
1. Evaporate and reach the atmosphere
2. Infiltrate the soil
3. Detained in catchment area
4. Become a form of ran-off
Select the correct answer:
A. 1, 2 and 3
B. 2, 3 and 4
C. 1, 3 and 4
D. All of these
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The criteria for the selection of species under ex-situ conservation is/are
A. Vulnerability of the species to extinction
B. Ecological importance of the species
C. Economic and aesthetic importance of the species
D. All of the above
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The factors that must be considered in the on-site storage of solid wastes is/are
A. Type of container
B. Location of container
C. Public health and collection
D. All of these
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The main subdivision of global environment which includes all water is termed as
A. Hydrosphere
B. Lithosphere
C. Atmosphere
D. All of these
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Best source of renewable energy is
A. Cattle
B. Petroleum
C. Coal
D. Trees
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Spraying DDT produces pollution of
A. Air
B. Air and water
C. Air and soil
D. Air, water and soil
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Wild life is destroyed most when
A. There is lack of proper care
B. Mass scale hunting for foreign trade
C. Its natural habitat is destroyed
D. Natural calamity
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Ozone Layer occurs in
A. Troposphere
B. Ionosphere
C. Thermosphere
D. Stratosphere
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A biogeochemical cycle without an atmospheric component is
A. Sulphur
B. Nitrogen
C. Phosphorus
D. Oxygen
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