Vertical Distribution of Ocean Temperature

Q.

What is an iceberg?

Q. By what process does the transfer of heat from the surface of the ocean to its lower depths occur?

1. Conduction
2. Radiation
3. Convection
4. Thermocline

Q. Which of the following statements are true about the definition and the effect of prevailing winds on ocean temperature?

1. Prevailing winds are those surface winds that blow intermittently over a particular ocean on the Earth.
2. If prevailing winds are onshore, they lead to increase in the temperature of ocean water.
3. Offshore prevailing winds decrease the temperature of ocean water.
4. Offshore winds lead to a displacement of coastal water by colder deep sea water.

Q. Pick the warm water current from the following:

1. Labrador current
2. Irminger current
3. Antarctic current
4. Gulf Stream

Q. Ocean density is directly proportional to salinity of ocean water.

1. True
2. False

Q. The first layer of warm oceanic water has a depth of around ______ meters.

1. 300
2. 400
3. 500
4. 600

Q. What is the process of water vapour transforming into water droplets called?

1. Precipitation
2. Condensation
3. Evaporation
4. Freezing

Q. Which among the following statements is/are true about vertical distribution of ocean temperature?

1. The rate of decrease of temperature with increasing depth from equator to poles is uniform.
2. The maximum change in temperature occurs in the depths of 500-1000 m.
3. Below the depths of 1000 m, change in temperature is negligible.
4. The heat is transmitted to the lower sections of oceans through the mechanism of radiation.

Q. Among the three layer of the oceans, the second layer of the ocean is called?

1. Epipelage
2. Thermocline
3. Radiation
4. Convection

Q. Which layer of the ocean has a thickness of about 1000 metres?

1. First layer
2. Second layer
3. Third layer
4. Fourth layer

Q. Beyond what depth does the ocean temperature, salinity, and density remain constant?

1. 1000m
2. 1500m
3. 2000m
4. 2500m

Q. The first warm surface ocean water layer has a depth of around ______ meters.

1. 300
2. 400
3. 500
4. 600

Q. The first warm surface ocean water layer has a depth of around ______ meters.

1. 300
2. 400
3. 500
4. 600

Q. When we dive deeper into the oceans, we find the __________ of the water decreasing gradually.

1. density
2. salinity
3. temperature
4. volume