Which one of the following regions is with high ocean water salinity ?
Equatorial
Polar
Sub-tropical
Sub-polar
Who among the following scholars has given the Subsidence Theory relating to coral reefs ?
Dally
Davis
Dutton
Darwn
Which one of the following values of temperatures is correct for the average freezing point for seawater in Arctic and Antarctic seas ?
2°C
0°C
-2°C
-10°C
ASSERTION (A) : The moon produces greater percentage of Earth's tides than the Sun.
REASON (R) : The Sun is closer to the Earth than the Moon.
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true but (R) is not the correct explanation of (A).
(A) is true , but (R) is false.
(A) is false , but (R) is true.
LIST I (Ocean Deeps) |
LIST II (Location) |
(a) Challenger | (1) South Pacific |
(b) Aldrich | (2) North Atlantic |
(c) Romanche | (3) North Pacific |
(d) Nares | (4) South Atlantic |
a-3 , b-1 , c-4 , d-2
a-4 , b-3 , c-2 , d-1
a-1 , b-2 , c-3 , d-4
a-2 , b-4 , c-1 , d-3
Who among the following correlated the colour of ocean water and its salinity ?
Al-Masudi
Al-Maqdisi
Ibn-Khaldun
Ibn-Sina
The genral depth of abyssal plains varies between :
1000 - 6000 metres
2000 - 6000 metres
3000 - 6000 metres
4000 - 6000 metres
Which one of the following is responsible for the greatest movements of all the tides ?
Size of the Ocean
Shape of the continents
Gravitational attraction
Salinity of the Oceans
ASSERTION (A) : The western sides of the oceans are always warmer than the eastern side.
REASON (R) : The movement of the major ocean currents is in the western side.
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true , but (R) is the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.
Which one of the following percentages of distance from the Earth surface is correct for 'perigee' of Moon than 'apogee' ?
2%
5%
8%
12%