Resources and development question bank pdf
11 questions-
What do you mean by Khadar?
Answer:
Khadar is meant by new alluvial soil which is sandy and light in colour and is found close to rivers.
What is Bhangar?
Answer:
Bhangar is the old alluvial soil which is clayey and dark. It is found away from rivers.
What is meant by Ravines?
Answer:
Ravines are the badlands in the Chambal basin.
Write down the other name of black soil.
Answer:
Regur.
What gives red colour to the red soil?
Answer:
The red soil gets its colour from the presence of iron.
To which state is black soil predominantly confined?
Answer:
Black soils are confined to certain parts of Maharashtra, Madhya Pradesh, Gujarat and Tamil Nadu.
How can land degradation in industrial and suburban areas can be reduced?
Answer:
Land degradation in industrial and suburban areas may be reduced by proper discharge and disposal of industrial effluents and wastes after treatment.
Why is soil considered a prime resource?
Answer:
Soil is considered a prime resource because it supports life on the earth. All of the living organisms like plants, animals as well as humans are dependent on soil for their food.
Long answer type
Though India has a very little pasture land yet it has the highest number of cattle. Do you agree?
Answer:
India had only 4% of its land under pastures. Yet it manages the largest number of the cattle. The main reason for this is that the cattle in India are reared mainly on husk, gain chaff and farm waste and a few fodder crops. This is the most economical way to have a large number of drought animals.
Point out the important factors determining the utilisation of land.
Answer:
There are two sets of factors that determine the use of land in India :
- Physical factors including topography, climate, and nature of the soil,
- Human factors mainly density of population and the level of economic exploitation of natural resources.
Point out the main causes of increase in wasteland.
Answer:
Wasteland is that land which is agriculturally unproductive. The land which is either sandy, rocky or arid is a wasteland. Some lands become wasteland because of human negligence.
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