General Physica...

Statement I: There is a large-scale fluctuation of oil flow from oil wells prior to earthquakes.
Statement II: Tectonic stress accumulates to a certain level, the pore pressure within a deep oil bearing stratum reaches its breaking strength causing oil to sprout along the oil wells.

Pelagic zone is one of the most important division of ocean with respect to commercial exploitation. Choose correct statement:
1. Any water in sea or lake is neither close to bottom nor near the shore can be said to be in pelagic zone.
2. Pelagic life decreases with increasing depth.
3. Demersal zone lies between benthic and pelagic zone.

Which one among the following is not a cause of generation of ocean currents?

Arrange the following ocean zones from top to bottom.

Consider the following statements.
1. The winds which blow between 30°N and 60°S latitudes throughout the year are known as westerlies.
2. The moist air masses that cause winter rains in North-Western region of India are part of westerlies.

A nautical mile is equal to ___________.

The current produced by upwelling of cold water off the coast of Chile and Peru is known as ___________.

Which of the following are cold ocean currents?
1. Humboldt current 
2. Brazil current
3. Oyashio current 
4. Canary current 
Select the correct answer from the codes given below.

Regarding Halocline, choose correct facts given below.
1. It relates to salinity change only.
2. Pycnoclines, in normally follows halocline.
3. It is a subtype of chemocline.

Which one of the following is correctly matched?