1.	Fertile riverine alluvial soil is best suited for producing ______ ?
	Rice
	Tea
	Cotton
	Corn
	Answer: Rice Explanation: Fertile riverine alluvial soil is best suited for producing rice.
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2.	Khadar is ______ ?
	Old alluvial soil
	New alluvial soil
	A crop
	Type of laterite soil
	Answer: New alluvial soil Explanation: Khadir soil consists of new alluvial soil relatively higher in new silt content from the river, and gets recharged with each flooding cycle, and is often very fertile.
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3.	Black soil is mostly found in which part of India ?
	Himalayas
	Peninsular Plateau
	Desert
	Coastal Plains
	Answer: Peninsular Plateau Explanation: Black soil or regur soil is found in the Peninsular Plateau in India. It is a soil formed by the flow of lava. These soils have a rich black colour due to the abundance of lime, iron, magnesium, aluminium, and potassium. It has a clayey texture which is likely influenced by the clim
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4.	Which among the following is NOT a characteristic of Black soil ?
	It is best soil for cotton cultivation
	It has low water retaining capacity
	It is rich in iron, lime and magnesium
	The texture is clayey
	Answer: It has low water retaining capacity Explanation: Black soil has high moisture holding capacity (150-250 mm/m), yet water is not available to plants because it is strongly held by the smectitic clay. Black soils are extremely sticky when wet. Hence, it has low water retaining capacity.
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5.	Robert has sandy soil in his fields. The ideal crop for his field is ?
	Gram
	Corn
	Cabbage
	Wheat
	Answer: Corn Explanation: Gram can be grown on a wide range of soil. But well drained medium to black cotton soils are very suitable. It can also be grown in light alluvial soils which are rich in organic matter. It cannot grow well on water logged and acidic soils. Corn requires rich, moist, well-drained sandy soil. Cabbage grows well on a wide range of soils from light sand to heavier clays, but well-drained sandy loam to clay loam soils are ideal for its best growth. Soils with a clay loam or loam texture, good structure and moderate water holding capacity are ideal for wheat cultivation.
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6.	Laterite soil is rich in ?
	Potassium
	Iron oxide
	Phosphorus
	Calcium carbonate
	Answer: Laterite soil is rich in iron oxide and aluminium. Explanation:
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7.	_____ soil is also known as the Omnibus group ?
	Black
	Desert
	Red
	Laterite
	Answer: Red Explanation: Red soil is mainly present in low rainfall areas. It is also known as the Omnibus group. It is deficient in lime, phosphate, manganese, nitrogen, humus and potash. It is red in colour because of ferric oxide. However, Wheat, cotton, pulses, tobacco, oilseeds, potatoes etc are cultivated.
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8.	Black soil is NOT found in which State of India ?
	Madhya Pradesh
	Punjab
	Andhra Pradesh
	Maharashtra
	Answer: Punjab Explanation: Black soil is found in the central, western and southern states of India and Punjab lies in northern India.
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9.	In which year was the Soil Survey of India established to carry out scientific surveys of soils ?
	1962
	1950
	1947
	1956
	Answer: 1956 Explanation: The Soil Survey of India was established in 1956 to carry out scientific surveys of soils.
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10.	Alluvial soils are spread in about ____ percent of the total area of India. ?
	50
	30
	40
	25
	Answer: 40 Explanation: Alluvial soils are spread in about [43%] of the total area of India. It is the mostly available soil in India.
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