Answer the following questions in about 30 words.
(i) Name three states having black soil and the crop which is mainly grown in it.
(ii) What type of soil is found in the river deltas of the eastern coast? Give three main features of this type of soil.
(iii) What steps can be taken to control soil erosion in the hilly areas?
(iv) What are the biotic and abiotic resources? Give some examples.
NCERT Class 10th Social Science (Contemporary India II) Chapter 1 Resources and Development
Answers
(i) The three states are Maharashtra, Madhya Pradesh and Chhattisgarh.
(ii) Alluvial soil is present in the river deltas of the eastern coast. Its features are:
This soil is very fertile.
Ideal for growing sugarcane, paddy and wheat.
The regions of Alluvial soil are densely populated.
(iii) The soil erosion can be controlled in hilly areas by ploughing across contour lines, by using terrace farming techniques. Also, by using strips of grasses to check soil erosion by wind and water.
(iv) Biotic resources: the resources obtained from the biosphere and have proper life are known as biotic resources like, animals, plants.
Abiotic resources: the resources composed of non-living things are known as abiotic resources like minerals, water, wind etc.
Answer:
Major crops grown in India are rice, wheat, millets, pulses, tea, coffee, sugarcane, oil seeds, cotton and jute, etc. of canal irrigation and tubewells have made it possible to grow rice in areas of less rainfall such as Punjab, Haryana and western Uttar Pradesh and parts of Rajasthan.