1.
The islands receive the very first monsoon showers, progressively from south to north, from the last week of April to the first week of may. The withdrawal takes place progressively from north to south from the first week of December to the first week of January.
2.
Option B
3.
Option B
4.
Towards the close of the summer season, pre-monsoon showers are common especially, in Kerala and Karnataka. They help in the early ripening of mangoes, and are therefore referred to as 'mango showers'.
5.
Option A
6.
Option A
7.
6000 metres
8.
Due to gentle slope, the velocity of the rivers coming from mountains decreases. Therefore the rivers get involved in the depositional work. This results in the formation of riverine islands.
9.
Pir Panjal
10.
Patkal Hills, Naga Hills, Manipur hills and the Mizo Hills
11.
because they originate and blow over land.
12.
860.0
13.
Option B
14.
The western cyclonic disturbances are weather phenomena of the winter months brought in by the westerly flow from the Mediterranean region. They influence the weather of the north and north-western regions of India.
15.
The coastal plains between the Western Ghats and the Arabian sea are very narrow. Hence the coastal rivers are short.
16.
A meander forms when moving water in a stream erodes the outer banks and widens its valley and the inner part of the river has less energy and deposits silt.
17.
Punjab, Haryana and southern and western parts of Rajasthan
18.
Khadar consists of newer, younger deposits of the flood plains. They are renewed almost every year and so are fertile, thus, ideal for intensive agriculture.
19.
Three
20.
Option A
