Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set B

Question Set B

Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365

Download Tamil Nadu 10th Standard Social Science question papers, model tests, one-mark questions, important questions, and public exam papers in PDF format. Free study materials and answer keys for TN State Board students.

S.No.	Alluvial soils	Black soils
1.	Alluvial soils is formed by sediments deposited by streams and rivers.	Black soil is derived from basalts of Deccan trap.
2.	It is sandy-loam-silt-clay.	It is sticky when wet.
3.	Its profile shows no marked differentiation.	It has high degree of moisture retentivity.
4.	Rich in Potash, Phosphoric acid, lime and Carbon compounds.	Rich in Potash lime, Aluminium, Calcium and Magnesium.
5.	Crops like Rice, Wheat, Sugarcane and Oilseeds grow here.	Crops like Cotton, Millets, Tobacco and Sugarcane grow here.

S.No.	Marine or Sea fishing	Inland or Fresh Water fishing
1.	Marine or Sea fishing includes coastal, off- shore and deep sea fisheries mainly on the continental shelf upto a depth of 200 m.	Rivers, lakes, canals, reservoirs, ponds, tanks, etc. are the sources of freshwater and provide freshwater fisheries.
2.	Kerala leads in the marine fish production in India.	Andhra Pradesh leads in the inland fish production in India.
3.	Examples of the marine fishery are: Catfish Mackerels, Tunas, etc.	Examples of the inland fishery are: Rohus,Callas, etc.

S.No.	Inundation canal	Perennial canal
1.	Water is taken out directly from the rivers without making any kind of barrage or dam.	These are developed from perennial rivers by constructing barrage to regulate the flow of water.
2.	Such canals are useful for the diversion of flood water from the rivers. They remain operational during rainy season.	About 60 percent of the canal irrigated area falls in the northern plains of India.

S.No	Rabi crop season	Kharif crop season
1.	The season is from October to March.	The season is from June to September.
2.	Wheat, gram, Rapeseeds, Mustard and Barley are grown in the northern states.	Rice, Cotton, Bajra, Maize, Jowar and Tur are grown in northern states.
3.	Rice, Maize, Ragi, Groundnut and Jowar are grown in southern states.	Rice, Maize, Ragi, Groundnut and Jowar are grown in southern states.
4.	Crops grow in warm weather.	Crops grow in hot weather.

S.No.	Tropical evergreen forest	Deciduous forest
1.	Tropical evergreen forests are found in areas with 200 cm or more annual rainfall.	Tropical deciduous forest are found, in the areas with 100 to 200 cm rainfall.
2.	Due to absense of particular dry seasons, trees in the rain forests. They do not shed their leaves altogether, and this why they are called evergreen.	The trees of these forests drop their leaves during the spring and early summer.
3.	The annual temperature is about more than 22^oC.	The mean annual temperature of these region is about 27^oC.
4.	Important trees: Rubber, Mahogany, Ebony, Rosewood,etc.	Important trees: Teak,Sal, Sandal wood, Bamboo,etc.

Tamilnadu 10th Standard Social Science GEO - Climate and Natural Vegetation of India Important Questions And Answers Study Material - QB365 Set B

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S.No.	Weather	Climate
1.	Weather refers to the state of atmosphere of a place at a given point of time.	Climate is the accumulation of daily and seasonal weather event of a given location over a period of 30 - 35 years.
2.	Weather of a place may change daily.	Climate of a place remains constant over a long period.

S. No	West Coastal Plains	East Coastal Plains
1.	Western coastal plains lies between the Western Ghats and the Arabian sea.	Eastern coastal plains lies between the Eastern Ghats and the Bay of Bengal.
2.	It extends from Rann of Kutch in the north to Kanyakumari in the south.	It extends from Bengal in the north and Tamilnadu in the south.
3.	The short swift rivers do not make any deltas on the coast.	The large rivers make wide deltas on the eastern coastal plain.
4.	Characterised by sand beaches sand dunes and lagoons.	Formed by the alluvial fillings of the littoral zones by the east flowing rivers.
5.	The northern part of this coast is called the Konkan coast and the southern part is called the Malabar coast.	The northern part of this coast is called North circars and the southern part is called Coromandel coast.

S. No.	Western Ghats	Eastern Ghats
1.	Western Ghats forms the western edge of the Deccan plateau	Eastern Ghats forms the eastern edge of the Deccan plateau.
2.	It runs parallel to the Arabian sea coast.	It runs parallel to the Bay of Bengal.
3.	The northern part of this range is called as Sahyadris.	It is also called as Poorvadri
4.	It is a continuous range.	It is not a continuous range.

S. No	Himalayan Rivers	Peninsular Rivers
1.	Originate from Himalayas	Originate from Western ghats.
2.	Long and wide.	Short and narrow.
3.	Perennial in nature.	Non-perennial in nature.
4.	Unsuitable for hydro power generation.	Suitable for hydro power generation.
5.	Middle and lower courses are navigable.	Not useful for navigation