1 |
Which layer of ocean is called Thermo cline. |
Warm surface layer
Middle layer
Cold Deep layer
All of these
|
2 |
Middle surface layer has as average temperature. |
5 oC to 20 oC
0 oC to 5 oC
0 oC to 20 oC
20 oC to 25 oC
|
3 |
Warm surface layer has an average temperatur eof. |
15 oC to 20 oC
20 oC to 25 oC
25 oC to 30 oC
30 oC to 35 oC
|
4 |
A large current formed by joiing of two currents is called. |
Tide
Wave
Drift
Bay
|
5 |
The current which flow from equator to polr areas are called. |
Cold currents
Drift
Warm currents
a and b both
|
6 |
The current which flow from equator to polar areas are called. |
cold currents
drift
Warm currents
a and b both
|
7 |
With increase is depth, the temperatur eof the ocean water. |
Increases
decreases
Remain constant
None of these
|
8 |
The movement of surfacewater due to winds is called. |
Tide
Current
Wave
Strait
|
9 |
An area of land surrounded by water from all sides is called. |
Bay
Isthmus
Wave
Island
|
10 |
Extreme cold water and huge ice bergs are main features of |
Pacific ocean
Antarctic ocean
ARctic ocean
Indian ocean
|