Which programming concept allows a variable name to

In the context of the drainage system of river Sutlej, which of the following statement is correct?

China has the longest border with which of the following country?

Consider the following events in the formation of ‘Karewas’:

1. Formation of a lake

2. Deposition of glacial clay

Consider the given statements:

(I) Bhimbetka rock shelter is located in the Indian state of Chhattisgarh.

The other name of ‘Swaraj Island’ is ________.

All Weather related phenomena take place in which layer of atmosphere?

Where is the ‘Gulf of Mannar Marine’ national park situated?

The standard meridian of India passes through which of the following states?

1. Jammu and Kashmir

2. Madhya Pradesh

Consider the following rock systems that make up the Indian landmass:

1. Aryan

2. Dravidian

3. Archean

4. Dharwar

Which one of the following countries shares border with the least number of states/UTs of India?