hydrosphere & oceanography section 8 MCQ Questions & Answers Detailed Explanation
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The following question based on Hydrosphere & Oceanography topic of indian geography mcq
Tsunami is small in open ocean yet may be over 30 m high when it reaches a coastline.
Statement II
Tsunam is have long wavelength and they travel across the open ocean at high speed. As they approach shore, the wavelength decreases and the wave height increases.
(a) Statement I is false, but Statement II is true
(b) Statement I is true, but Statement II is false
(c) Both the statements are individually true and Statement II is the correct explanation of Statement I
(d) Both the statements are individually true but Statement II is not the correct explanation of Statement I
The correct answers to the above question in:
Answer: (c)
In the open ocean the height of tsunami is less than 1 meter however, its height increases up to 15 meters or more at shallow coastal water. The wavelength in the open ocean is between 650 to 960 km/h.
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Read more hydrosphere oceanography Based Indian Geography Questions and Answers
Question : 1
The highest salinity is found in which of the following lakes?
a) Baikal lake
b) Balkash lake
c) Van Lake
d) Dead sea
Answer »Answer: (d)
The highest salinity is found in Dead sea
Question : 2
Which one among the following is a sea without having a coastline?
a) Bering sea
b) Baltic sea
c) North sea
d) Sargasso sea
Answer »Answer: (d)
While all other seas in the world are defined at least in part by land boundaries, the Sargasso Sea is defined only by ocean currents. The Sargasso Sea does not have a coastline as it is located in the middle of the Atlantic Ocean.
Question : 3
Consider the following statements:
- The Earth does not move along its orbit at a constant rate
- The Earth moves fastest at perihelion and slowest at aphelion.
a) Newton’s law of gravitation
b) Ohm’s law
c) Kepler’s second law
d) Newton’s second law of motion
Answer »Answer: (c)
The point of Kepler’s IInd law is that, although the orbit is symmetric, the motion is not. A planet speeds up as it approaches the sun, gets its greatest velocity when passing closest, then slowest down again and the earth moves fastest at perihelion and slowest at aphelion.
Question : 4
Which water body separates Australia from New Zealand?
a) Great Barrier Reef
b) Tasman Sea
c) Cook Straits
d) Megallan
Answer »Answer: (b)
The Tasman Sea separates Australia from New Zealand.
Question : 5
Which one of the following ocean tides are caused by biological factors?
a) Perigean tide
b) Apogean tide
c) Neap tide
d) Red tide
Answer »Answer: (d)
Red tide is caused by algal blooms, these algal blooms are also known as harmful algal blooms and occur when colonies of algae grow out of control while producing toxic or harmful effects on people, fish, marine mammals and birds.
Nearly every summer along In Florida’s Gulf Coast, Red tide frequently occur during summer.
Question : 6
Which of the following lakes lies entirely in the U.S.A.?
a) Lake Erie
b) Lake Superior
c) Lake Michigan
d) Lake Huron
Answer »Answer: (c)
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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