MCQs
Ocean And Seas
Total Questions : 405
| Page 36 of 41 pages
Answer: Option A. -> Mid - Oceanic Ridge
Answer: (a)
Answer: (a)
Answer: Option D. -> Submarine earthquakes
Answer: (d)Tsunamis are mainly produced by submarine earthquakes.
Answer: (d)Tsunamis are mainly produced by submarine earthquakes.
Answer: Option A. -> Lake Van in Turkey
Answer: (a)
Answer: (a)
Answer: Option D. -> Madagascar
Answer: (d)The biggest Island of the Indian ocean is Madagascar. Madagascar, officially the Republic of Madagascar and previously known as the Malagasy Republic, is an island country in the Indian Ocean, off the coast of Southeast Africa.
Answer: (d)The biggest Island of the Indian ocean is Madagascar. Madagascar, officially the Republic of Madagascar and previously known as the Malagasy Republic, is an island country in the Indian Ocean, off the coast of Southeast Africa.
Answer: Option C. -> Zaire
Answer: (c)
Answer: (c)
Answer: Option A. -> Deep sea
Answer: (a)
Answer: (a)
Answer: Option D. -> Challenger
Answer: (d)
Answer: (d)
Answer: Option A. -> Oman
Answer: (a)
Answer: (a)
Answer: Option C. -> Eutrophication
Answer: (c)
Eutrophication is the ecosystem response to the addition of artificial or natural substances, such as nitrates and phosphates, through fertilizers or sewage, to an aquatic system.
One example is the 'bloom' or great increase of phytoplankton in a water body as a response to increased levels of nutrients.
Answer: (c)
Eutrophication is the ecosystem response to the addition of artificial or natural substances, such as nitrates and phosphates, through fertilizers or sewage, to an aquatic system.
One example is the 'bloom' or great increase of phytoplankton in a water body as a response to increased levels of nutrients.
Answer: Option D. -> earthquakes
Answer: (d)
Most tsunamis are caused by earthquakes generated in a subduction zone, an area where an oceanic plate is being forced down into the mantle by plate tectonic forces. The friction between the subducting plate and the overriding plate is enormous.
This friction prevents a slow and steady rate of subduction and instead the two plates become “stuck”.
Answer: (d)
Most tsunamis are caused by earthquakes generated in a subduction zone, an area where an oceanic plate is being forced down into the mantle by plate tectonic forces. The friction between the subducting plate and the overriding plate is enormous.
This friction prevents a slow and steady rate of subduction and instead the two plates become “stuck”.
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