(A) Negroid
(B) Hematic
(C) Mongoloid
(D) None of these
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Which of these is not true of the effects of the ocean currents?
(A) They affect commerce because they keep the harbours open
even during winter
(B) Water of the ocean is kept pure
(C) Warm equatorial currents raise the temperature while the cold
polar currents lower the temperature of the place through which
they pass
(D) They do not affect rainfall over the coast
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Which of these oceans touches the shores of Asia on one side and that of America on the other?
(A) Indian Ocean
(B) Pacific Ocean
(C) Atlantic Ocean
(D) Antarctic Ocean
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Along the coasts salinity is:
(A) lowered
(B) increased
(C) stable
(D) unaffected
-
The coral reefs are most characteristic of:
(A) Indian Ocean
(B) Pacific Ocean
(C) Atlantic Ocean
(D) Mediterranean Sea
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The fog that commonly occurs along the sea-coasts is of the __ type.
(A) radiation
(B) advection
(C) frontal
(D) convection
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Hurricanes or typhoons (tropical cyclones) develop and mature:
(A) over land bodies only
(B) in a belt 35°-65° N and S latitudes
(C) anywhere in the tropical zone
(D) over water bodies only
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The radiation that heats earth’s atmosphere comes from the:
(A) sun
(B) earth
(C) ionosphere
(D) sun and earth
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Excess carbon dioxide in the atmosphere due to pollution will cause:
(A) earth’s temperature to rise
(B) earth’s temperature to fall
(C) no change in earth’s temperature
(D) increase in ultra-violet radiation reaching the earth