What is the major cause of diminishing wildlife number?
A. Felling of trees
B. Cannibalism
C. Habitat destruction
D. Paucity of drinking water
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The destruction of habitat of plants and animals is called
A. endemism
B. endangered species
C. habitat loss
D. flood
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Organ affected by pneumonia
A. Liver
B. Kidney
C. Heart
D. Lungs
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_________ is essentially stored solar energy that can be converted in to electricity, fuel and heat.
A. Biomass
B. Fossil
C. Heat
D. Coal
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This is used as an index for fuel consumption:
A. Growing degree-days
B. Consumer price index
C. Heating degree-days
D. Mean annual temperature
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The most abundant gas emitted from volcanoes is:
A. Nitrogen
B. Sulfur dioxide
C. Helium
D. Carbon dioxide
E. Water vapour
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The animal which consumes decaying organic matter is _________
A. Carnivore
B. Detritivore
C. Herbivore
D. Producers
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Which one of the following environmental pollutants has the problem of biomagnifications?
A. SO2
B. NO3
C. Hg fungicides
D. O3 and CO2
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Bell-shaped polygonal pyramid indicates
A. low percentage of young individuals
B. moderate percentage of young individuals
C. high percentage of young individuals
D. low percentage of old individuals
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The Gulf Coast states are more humid in summer than the coastal areas of Southern California mainly because of the:
A. Higher air temperature in the Gulf States
B. Lower air temperature in Southern California
C. Higher water temperature in the Gulf of Mexico
D. Low relative humidity of the air over the Pacific Ocean
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A river with high BOD value is
A. highly polluted
B. highly clean
C. highly productive
D. none of these
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The name given to a liquid drop of dew that freezes when the air temperature drops below freezing is:
A. Frost
B. Black frost
C. Hoarfrost
D. White frost
E. Frozen dew
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"Ozone Hole" is a _____________
A. Hole in the atmosphere
B. Destruction of ozone layer
C. Hole in the hydrosphere
D. Hole in the troposphere
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The maintenance of relatively constant internal environment is called
A. Homeostasis
B. Exotherms
C. Homeobox
D. Endotherms
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The only ape found in India
A. Gorilla
B. Chimpanzee
C. Hoolock gibbon
D. Oranguttan
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The indoor pollutant radon which is a radioactive gas causes
A. lung cancer
B. anemia
C. hormone disorder
D. cardiac arrest
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Hypothermia is most common in:
A. Hot, humid weather
B. Cold, wet weather
C. Hot, dry weather
D. Cold, dry weather
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The earth is tilted at an angle of 23.5o with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40o , we would expect in middle latitudes:
A. Hotter summers and colder winters than at present
B. Cooler summers and milder winters than at present
C. Hotter summers and milder winters than at present
D. Cooler summers and colder winters than at present
E. No appreciable change from present conditions
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Which of the following is correctly matched?
A. Butterfly - Camouflage
B. Garden lizard -Mimicry
C. House lizard -Autotomy
D. None of these
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Flora is the __________ life occurring in a particular region or time
A. plant
B. animal
C. human
D. microbial
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