MCQs
Ocean And Seas
Total Questions : 405
| Page 4 of 41 pages
Question 31. Which of the following conditions for the survival of corals are correct?
Select the correct answer from the codes given below:
- The water temperature must not fall below 20°C
- The depth of water should not exceed 30 fathoms
- The salinity should be less than 10%
- The water should be free from sediments.
Select the correct answer from the codes given below:
Answer: Option A. -> 1, 2 and 4
Answer: (a)
Answer: (a)
Answer: Option C. -> Baikal Lake
Answer: (c)
Answer: (c)
Answer: Option A. -> 4 3 1 2
Answer: (a)
Answer: (a)
Answer: Option D. -> A-2; B-4; C-1; D-3
Answer: (d)
The correct match is as follows:
Humboldt - Chile-Peru
North Atlantic Drift - U.K- Norway
Benguela - Namibia –Angola
Agulhas - Mozambique -Madagascar
Answer: (d)
The correct match is as follows:
Humboldt - Chile-Peru
North Atlantic Drift - U.K- Norway
Benguela - Namibia –Angola
Agulhas - Mozambique -Madagascar
Answer: Option C. -> Both the statements are individually true and Statement II is the correct explanation of Statement I
Answer: (c)
Tides are the rise and fall of sea levels caused by the combined effect of the gravitational forces exerted by the moon and the sun and the rotation of the earth because the Earth rotates once in about 24 hours with respect to the sun.
The tidal range is not constant but changes depending on where the sun and moon are.
Answer: (c)
Tides are the rise and fall of sea levels caused by the combined effect of the gravitational forces exerted by the moon and the sun and the rotation of the earth because the Earth rotates once in about 24 hours with respect to the sun.
The tidal range is not constant but changes depending on where the sun and moon are.
Answer: Option C. -> North Atlantic ocean
Answer: (c)The Sargasso sea is a part of the North Atlantic ocean.
Answer: (c)The Sargasso sea is a part of the North Atlantic ocean.
Answer: Option B. -> Glaciers and mountains
Answer: (b)
Answer: (b)
Answer: Option A. -> All of the options mentioned here.
Answer: (a)
Water conservation encompasses the policies, strategies and activities to manage freshwater as a sustainable resource, to protect the water environment, and to meet current and future human demand.
Rainwater harvesting, sustainable water use and natural regeneration of vegetation are some of the holistic ways for conserving water.
Answer: (a)
Water conservation encompasses the policies, strategies and activities to manage freshwater as a sustainable resource, to protect the water environment, and to meet current and future human demand.
Rainwater harvesting, sustainable water use and natural regeneration of vegetation are some of the holistic ways for conserving water.
Answer: Option D. -> Suez
Answer: (d)
Answer: (d)
Answer: Option D. -> Pacific Ocean
Answer: (d)
El Niño (Little Boy, or Christ Child in Spanish) refers to the large-scale ocean-atmosphere climate interaction linked to periodic warming in sea surface temperatures across the central and east-central Equatorial Pacific.
It was originally recognized by fishermen off the coast of South America in the 1600s, with the appearance of unusually warm water in the Pacific Ocean.
Answer: (d)
El Niño (Little Boy, or Christ Child in Spanish) refers to the large-scale ocean-atmosphere climate interaction linked to periodic warming in sea surface temperatures across the central and east-central Equatorial Pacific.
It was originally recognized by fishermen off the coast of South America in the 1600s, with the appearance of unusually warm water in the Pacific Ocean.
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