List of top General Awareness Questions on Environment asked in Karnataka PGCET

Given below are two statements:
Statement I: Classical smog is formed when oxides of nitrogen combine with particulate matter, especially in summer season.
Statement II: Classical smog reduces atmospheric visibility to a great extent.
In the light of the above statements choose the correct answer from the options given below:

Assertion (A): The problem of organic pollution in rivers is usually worse in the hot summer months.
Reason (R): Higher water temperatures exacerbate oxygen depletion.