hydrosphere & oceanography section 1 MCQ Questions & Answers Detailed Explanation
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The following question based on Hydrosphere & Oceanography topic of indian geography mcq
(a) Potassium
(b) Chlorine
(c) Calcium
(d) Sodium
The correct answers to the above question in:
Answer: (b)
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Read more hydrosphere oceanography Based Indian Geography Questions and Answers
Question : 1
Which strait connects Red Sea and Indian Ocean?
a) Malacca
b) Bosphorus
c) Bab-el-Mandeb
d) Hormuz
Answer »Answer: (c)
Question : 2
A new type of El Nino called El Nino Modoki appeared in the news. In this context, consider the following statements:
- Normal El Nino forms in the Central Pacific Ocean whereas El Nino Modoki forms in Eastern Pacific Ocean
- Normal El Nino results in diminished hurricanes in the Atlantic Ocean but El Nino Modoki results in a greater number of hurricanes with greater frequency.
a) Neither 1 nor 2
b) Both 1 and 2
c) 1 only
d) 2 only
Answer »Answer: (d)
Normal El Nino forms in south–eastern Pacific whereas as El Nino Modoki forms in central Pacific and causes greater number of hurricanes.
Question : 3
Which one of the following statements is not true about the subsidence theory of Coral reefs?
a) Reef building starts from submarine plate form.
b) Fringing reef, barrier reef and atolls are successive stages of coral reef development.
c) The theory has been postulated by Charles Darwin.
d) According to the theory coral polyps grow both in shallow and deep oceanic waters.
Answer »Answer: (d)
Coral polyps are tiny, soft-bodied organisms related to sea anemones and jellyfish. At their base is a hard, protective limestone skeleton called a calicle, which forms the structure of coral reefs.
Reefs begin when a polyp attaches itself to a rock on the seafloor, then divides, or buds, into thousands of clones. As per darwin’s theory polyps grow only in shallow ocean water.
Question : 4
The horizontal distribution of temperature of ocean water is largely affected by
- Depth of water in the ocean
- Ocean current
- Prevailing winds
- Latitudes
a) 1, 2, 3 and 4
b) 2, 3 and 4
c) 1, 2 and 3
d) 1, 2 and 4
Answer »Answer: (b)
The horizontal distribution of temperature of ocean water is largely affected by ocean current, prevailing winds and latitudes.
Question : 5
Tides are caused by the gravitational pull of the
a) Moon on the Earth
b) Sun and Moon on the Earth
c) Earth on the Moon
d) Earth on the Sun
Answer »Answer: (b)
Tide-generating forces (TGF) are a result of the gravitational attraction between the earth, the sun, and the moon and the centrifugal force due to the relative motions of the moon around the earth, and the earth around the sun.
While these forces exactly balance on average, the local mismatch at the earth's surface creates a horizontal force directed towards the surface points closest and farthest from the moon.
Question : 6
The Great Barrier Reef is located on the coast of
a) South Australia
b) East Australia
c) Central Australia
d) West Australia
Answer »Answer: (b)
The Great Barrier Reef is located on the coast of East Australia. The Great Barrier Reef is the world’s largest coral reef system composed of over 2,900 individual reefs and 900 islands stretching for over 2,600 kilometres over an area of approximately 344,400 square kilometres.
GET Hydrosphere & Oceanography PRACTICE TEST EXERCISES
hydrosphere & oceanography section 1
hydrosphere & oceanography section 2
hydrosphere & oceanography section 3
hydrosphere & oceanography section 4
hydrosphere & oceanography section 5
hydrosphere & oceanography section 6
hydrosphere & oceanography section 7
hydrosphere & oceanography section 8
Hydrosphere & Oceanography Shortcuts and Techniques with Examples
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