Indian army has published the notification for SSC Tech 56 men and SSC Tech 27 women for the course commencing at OTA Chennai from April 2021
The unusual warming of surface waters in tropical Pacific is known as
El Nino
La Nina
California current
Equatorial counter current
Which of these is NOT a division of the Ocean Floors?
The Deep-Sea Plain
The Continental Deeps
The Continental Shelf
The Continental Slope
The seasonal change in the direction of currents in the Indian Ocean twice a year (after every 6 months) is due to
the rotation of Earth
seasonal change in the direction of monsoon winds.
the flow of fresh water by the rivers
high temperature in the equatorial region
Consider the following statements with respect to Tsunamis:
1. it is a series of extremely long waves caused by a large and sudden displacement of the ocean.
2. Earthquake occurring beneath the ocean is the major cause of Tsunamis.
Which of the above statements is/are correct?
1 only
2 only
Both 1 and 2
Neither 1 nor 2
Which of the following statements about tides is INCORRECT?
High tides occur when the moon is in its first and last quarter.
Low tides are also called neap tides.
Tides are caused by the gravitational pull exerted by the sun and the moon on Earth's surface.
Spring tides occur on full moon and new moon days.
Which of the following factors does not contribute to the temperature of ocean water?
Prevailing Wind
Deposit in the Sea
Uneven Distribution of Land and Water
Ocean Currents
Consider the following Ocean Currents:
1. Labrador current
2. Oyashio current
3. Benguela current
4. Alaska current
How many of the ocean currents given above are cold currents?
1
2
3
4
The accumulation of depression in a river channel or on a continental shelf that is potentially dangerous to ships is called:
Shoal
coral atoll
Coast
Rock wall
Which one of the following do not influence the ocean currents?
Heating by solar energy
Wind
Gravitational pull by Sun and Moon
Coriolis force
The high salinity of the Mediterranean sea is majorly due to
low evaporation
influx of sea water
high evaporation
high precipitation
