CBSE Questions for Class 10 Geography Resources And Development Quiz 1 - MCQExams.com

Soil erosion is the loss of top fertile layer of soil either by wind or by water.

• Contour bunding is a technique used to prevent soil erosion. It is a farming practice in which planting followed by a soil elevation constructed manually. It helps in soil conservation and is a low cost and easy technique.
  
• Strip cropping: Cultivation in which different crops are sown in alternate strips to prevent soil erosion.
  

Growing of different crops in succession on a piece of land to avoid exhausting the soil and to control weeds, pests, and diseases is called crop rotation. This type of farming helps in reducing soil degradation and improves soil quality.

Out of the total area under cultivation of Himachal Pradesh, its 1/5th area is irrigated. The total crop area of Himachal Pradesh is 1 million hectares and 0.11 million hectares of it is irrigated according to 2011 census.       

From the given options, rocky, arid and desert areas can be best described as wastelands. Land which is lying unproductive or which is not being utilized to its potential is called wasteland. It is generally found incapable of producing material or services of value.

Alluvial soil is rich in humus, lime and organic matters. It is said to be the highly fertile soil and it is deposited largely in the northern plains of India out of the deposition work of Indus-Ganga-Brahmaputra rivers.  In Peninsular India, this type of soil is mostly found in deltas and estuaries.

• Utilising land for different purposes is called land use.
  
• Land use involves the management and modification of natural environment into built environment such as settlement and semi-natural habitats such as arable fields, pasture etc. The total of arrangements, activities and inputs that people undertake in a certain land cover. 

Food, shelter and clothing are the basic needs of Human Beings.Most of them are received from plants and animals. All organism needs food to survive. Human beings get food for daily use by farming and cultivation. Corn, Paddy, wheat , fruits, vegetables are agricultural products obtained from plants. 

In India, 21.5% of overall land is under forest areas. There has been increase in forest area. A large number of trees are planted during the afforestation. Forests in India are grouped into 5 major categories:-

1. Subtropical Dry Deciduous (38.2%)
   
2. Tropical Moist Deciduous (30.3%)
   
3. Subtropical Thorn (6.7%)
   
4. Tropical Wet Evergreen forests (5.8%)
   
5. Other categories (Pine, Temperate and Alpine, Tropical semi evergreen) – 17.5%