General Physica...

Identify the odd one.

Which one of the following pairs is not correctly matched?

With respect to tidal boses a phenomena observed at mouth of river, choose the correct statement.
1. It is a wall of water that moves up certain low lying rivers due to incoming tides.
2. Rivers flowing  into sea, when obstructs the passage of crest of tidal waves, it forms tidal bores.
3. Narrow and low lying coastal rivers with gentle channel gradient is a favorable condition.

Generally salinity  __________.

The increase in salinity of water ________.

Which of the following theory is related to origin of tides.
1. Isostasy theory 
2. Dynamic theory of Laplace
3. Canal theory of G. B. Airy
4. Equilibrium theory of Newton.

Identify the correct decreasing order of salts in terms of % in sea water.

Which one of the following countries is not situated in the region between the Caspian Sea and the Black Sea?

Tsunamis are not caused by __________.

The most important fishing grounds of the world are found in the regions where ___________.