Question

Which of the below given sentences with reference to India are correct?
1. About one-third of the area of country records more than 750mm of annual rainfall
2. The dominant source of irrigation in the country is from wells (including tubewells and pumping sets).
3. Alluvial soil is the predominant type of soil in northern plains of the country.
4. The mountain areas account for about 30% of the surface area of the country.

• A. 1,2,3,4
• B. 2,3,4
• C. 1,3,4
• D. 1,2,4

Answer 1

The correct option is A 1,2,3,4

Explanation:

It can be observed from the figure that about one-third of the area of country records more than 750mm of annual rainfall.
$55.68\%$ of the total irrigated area is irrigated by wells, tube well and pumping sets.
Alluvial soil covers an area of 15 lakh sq km in India covering almost whole of Northern India and mainly contributes in the development of agriculture.


$55.68\%$ of the total irrigated area is irrigated by wells, tube well and pumping sets.
It can be concluded from the figure that the mountain areas account for about $30\%$ of the surface area of the country. (The general standards for mountain is to be more than 980 ft. Less than that, it is considered as a hill.)