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.
i. a. Tidal forests are found in the deltaic regions of Ganga and Brahmaputra in the eastern coastal plains of India.
b. Thorn and Scrub is found in the semi arid and arid regions like in western Rajasthan.
ii. Thorn and Scrub forests are found in the above regions as they are arid and semi arid regions receiving only scanty rainfall. Such vegetation has long roots and waxy and leathery leaves in order to conserve water.
Name two states in which tube wells are extensively used. Give a reason to explain its importance as a source of irrigation.
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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