Tag: general knowledge

Questions Related to general knowledge

Which one among the following best explains the reason for the Eastern and Western boundaries of the Pacific Ocean experiencing frequent earthquake?

  1. There are deep ocean trenches along these margins

  2. High mountain stretch along the continental margins adjacent to this ocean

  3. These margins coincide with the plate margins

  4. The currents of the vast Pacific Ocean continue to dash against the continental margins


Correct Option: C

Which one of the following factors is responsible for change in the regular direction of the ocean currents in the Indian Ocean?

  1. Indian Ocean is half an ocean

  2. Indian Ocean has Monsoon drift

  3. Indian Ocean is a land-locked ocean

  4. Indian Ocean has greater variation in salinity


Correct Option: B

Which one among the following is a cold ocean current?

  1. Canary Current

  2. Brazil Current

  3. Gulf Stream

  4. Kuroshio Current


Correct Option: A

Which of the following currents is located near the coastline of Philippines and China?

  1. Oyashio current

  2. Kuroshio current

  3. Canary current

  4. Benguela current


Correct Option: B

Consider the following statements:
I. Ocean currents are large mass of surface water, that circulate in regular patterns around the oceans.
II. The planetary winds are probably the dominant influence on the flow of ocean currents.
III. The water of high salinity are denser than the water of low salinity.
IV. A land mass always obstructs and diverts an ocean current.
Which of the statements given above is/are correct?

  1. All of these

  2. I, II and III

  3. I and III

  4. Only II


Correct Option: A

The acidification of oceans is increasing. Why is this phenomenon a cause of concern?

1. The growth and survival of calcareous phytoplankton will be adversely affected.
2. The growth and survival of coral reefs will be adversely affected.
3. The survival of some animals that have phytoplanktonic larvae will be adversely affected.
4. The cloud seeding and formation of clouds will be adversely affected.
Which of the statements given above is/are correct? 

  1. 1, 2 and 3

  2. Only 2

  3. 1 and 3

  4. 1, 2, 3 and 4


Correct Option: D

Consider the following statements with reference to the continental shelf:
1. It is submerged in water. 
2. Its average depth is 100 fathoms.
3. Its higher percentage is found in the Pacific ocean.
4. It is wider, where high mountains are close and parallel to the coast.
Which of the statements given above is/are correct?

  1. All of the below

  2. 1, 2 and 3

  3. 1 and 2

  4. Only 1


Correct Option: C

Which of the following conditions hinders the development of corals?

  1. Temperature of water between 20-21° C

  2. Existence of submarine bench or a platform

  3. Sediment free water

  4. Fresh water


Correct Option: C

Which of the following factors affects the origin and nature of movement of ocean current?

  1. Gravitational force

  2. Density differences

  3. Direction and shape of coastline

  4. All of the above


Correct Option: D

Identify the wrong pair.

  1. North-East Pacific: Dogger Bank

  2. North-West Atlantic : Grand Banks

  3. North-East Atlantic: Great Fisher Bank

  4. North-West Atlantic : Chesapeake Bay


Correct Option: A