The part of the Sun, which is visible during eclipses only, is known as:

Which of the following statements with regard to cloudburst is/are correct?

$1.$ It is defined as sudden localized very heavy downpour with cloud thunder and lightning.
$2.$ It mostly occurs in the hilly areas.
$3.$ It results into very high intensity of rainfall, i.e., $250 \mathrm{mm}-300 \mathrm{mm}$ in a couple of hours.
$4.$It occurs only during daytime.

Select the correct answer using the code given below.

Which one of the following is the largest fresh water lake in India ?

Rains caused by thunderstorms during the hot weather season (mid-March to mid-June) in Karnataka are called _____.
 

Which one of the following mountains separates Black Sea and Caspian Sea ?

The term soil impoverishment relates to which one of the following ?

Which one of the following rivers does not drain into the Black Sea?