Short Answer Type
i.Name one region in India for each of the following:
a.Tidal forests
b. Thorn and Scrub
ii.Explain why thorn and scrub forests are found in the above mentioned regions.
Name two states in which tube wells are extensively used. Give a reason to explain its importance as a source of irrigation.
Give two main reasons why water scarcity occurs in India.
Two reasons are:
i. After independence, India has witnessed industrialisation. The establishment of large industrial houses and the increasing number of industries has exerted tremendous pressure on the fresh water resources.
ii. Increase in the number of urban centers with dense population has also exerted pressure on the water resources. Many houses and societies have independent water boring devices which have lowered the water table.
i. Name two states where perennial canals are widely used.
ii Briefly explain two reasons for perennial canals being a popular form if irrigation in the named states.
i. Name any two methods of water harvesting in India.
ii Mention any two objectives of rain water harvesting.
Name any two industrial products for which limestone is used as a source of raw material.
i. Name two industries that use a high quantity of coal.
ii Name one important area that has large coal deposits in the states of Jharkhand and West Bengal.
i. Which state is the largest producer of mineral oil ?
ii Name two coastal and two inland oil- refineries in India.
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