INDIAN GEOGRAPHY

Detailed explanation-1: -(i) Rajasthan is an arid area which receive less than 75 cms of annual rainfall. This rainfall does not support dense forests. (ii)The loss of moisture is also high due to transpiration as the region has high temperature. Trees have needle shaped thorns to prevent loss of moisture.

Detailed explanation-2: -Explanation: Tropical thorn forests occur in the areas which receive rainfall less than 50 cm. These consist of a variety of grasses and shrubs. It includes semi-arid areas of south west Punjab, Haryana, Rajasthan, Gujarat, Madhya Pradesh and Uttar Pradesh.

Detailed explanation-3: -The thorn forests grow in the regions which receive less than 70 cm of rainfall. The trees present in the thorn forest have long roots which penetrate deeper into the soil in search of water. In these trees, the leaves are thick and also small to minimize evaporation.

Detailed explanation-4: -Thorn and scrub forest are found in these regions because these areas get less than 50cm of rainfall and the mean annual temperature ranges between 25oC-27oC and has humidity below 47 percent. Was this answer helpful?

Detailed explanation-5: -In regions with less than 70 cm of rainfall, the natural vegetation consists of thorny trees and bushes. This type of vegetation is found in the north-western part of the country including semi-arid areas of Gujarat, Rajasthan, Madhya Pradesh, Chhattisgarh, Uttar Pradesh and Haryana.