Indian Geography
Which among the following steps are useful to prevent soil erosion?1. Afforestation2. Contour Ploughing3. Prohibition of shifting cultivation4. Flood controlChoose the correct option from the codes given below :
The useful steps to prevent soil erosion are Afforestation, Contour Ploughing, Prohibition of shifting cultivation, Flood control, Restoration of long fallow, reclamation of alkaline and saline soil.
The high concentration of jute mills in the Hooghly basin are because of the presence of lot of water which is easily available from the Hugli River. Iron and coal also available from Raniganj mines. The suitable type of climate (24°C to 35°C temperature, rainfall of 120 to 150 cm, 80 to 90 % relative humidity ) is found in West Bengal.
India has the world’s largest cropped area. The cropping pattern of foodgrains in India is dominated by cereal crops. The average size of an Indian farm holding is too small (below 2 hectares) which covers almost 80% of all Indian farmers.
Glaciers are found in the north in the Himalayas. The Thar desert is in Rajasthan in the northwest and the lagoons are in Kerala in the southwest. Unfortunately, we don’t have any icebergs in India or even in the Indian subcontinent.