Tag: general knowledge

Questions Related to general knowledge

Identify the incorrect statement (s).
1. Other things being equal, the differential effect of wave refraction tends to smooth the coastal outline.
2. A wave of translation can be a powerful force of destruction.
3. Waves often change direction as they approach the shore, a phenomenon known as Wave Refraction.
4. Wave amplitude is one half of the wavelength. 

  1. Only 1

  2. 1 and 3

  3. Only 2

  4. None of these


Correct Option: D

Evaporation is greater when __________.

  1. warm air flows over warm current

  2. warm air flows over cold current

  3. cold air flows over warm current

  4. cold air flows over cold current


Correct Option: C

The most important fishing grounds of the world are found in the regions where ___________.

  1. warm and cold atmospheric currents meet

  2. rivers drain out large amounts of freshwater into the sea

  3. warm and cold oceanic currents meet

  4. continental shelf is undulating


Correct Option: C

Consider the following statements:
1. Nearly 30% of the petroleum production in the world is from the offshore areas.
2. The exclusive economic zone in the oceans extends upto 100 nautical miles from the coast. 
3. Only less than 1% of marine area is declared as protected area.
4. The largest marine protected area is the Great Barrier Reef.
Which of the statements given above are correct?

  1. 1 and 2

  2. 1, 3 and 4

  3. 1 and 4

  4. 2 and 3


Correct Option: B

Identify the incorrect statement(s) about marine deposits.
1. Blue mud covers the largest area of ocean.
2. Green mud is found in abundance on the sea floor near the Cape of Good Hope.
3. Grey colour of Green Mud is because of mineral Glauconite.
4. Red Clay is the most widespread Pelagic deposit.

  1. 1 and 2

  2. Only 2

  3. Only 3

  4. None of these


Correct Option: D

Which one of the following is a correct sequence in the increasing order of salinity concentration?

  1. Gulf of California-Baltic Sea-Red Sea-North Sea

  2. Baltic Sea-North Sea-Gulf of California-Red Sea

  3. Red Sea-Gulf of California-North Sea- Baltic Sea

  4. North Sea-Gulf of California-Baltic Sea- Red Sea


Correct Option: B

Which one of the following type of tides is observed at an interval of every 6 months?

  1. Spring tides

  2. Neap tides

  3. Tropical tides

  4. Equinoctial spring tides


Correct Option: D

Identify the odd ones out in relation to the process of upwelling in the ocean?

  1. Benguela current

  2. Canaries current

  3. Peru current

  4. Oyashio current


Correct Option: D

The Gulf stream is the warm ocean current. It is moving along the East of North America upto 40° N, where it meets with Labrador current, which is cold current. This meeting of warm and cold ocean current is helping for the ___________.

  1. navigation of ship

  2. fishing

  3. both 'a and b

  4. neither a nor b


Correct Option: B

Which one of the following statements is correct?

  1. Cold fronts move at slower rate than warm fronts and therefore cannot overtake the warm fronts.

  2. Cold fronts normally move faster than warm fronts and therefore frequently overtake the warm fronts.

  3. Cold fronts move at slower rate and eventually they are overtaken by the warm fronts.

  4. Cold fronts move faster than warm fronts but they cannot overtake the warm fronts.


Correct Option: C