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Indian Geography Test 14
Read Instructions for the test.
Negative marks are -0.33 per wrong answer
Right answer is 1 mark
No time limit but finish in 30 mins
Solution can be found at below chapters:
Test series is based on following chapters.
Indian Geography Chapter 7: SOILS OF INDIA
Indian Geography Chapter 8: IMPORTANCE OF AGRICULTURE IN INDIA
Q1: Soil Salinity is due to
Arid regions are created due to salts on upper layers of the soil.
Bad drainage due to basin topography and black cotton soil
Faulty agriculture practices like over irrigation, cultivation of water intensive crops.
all
Q2: Implications of soil salinity
Salts of sodium, potassium, manganese come to the top soil.
Soil fertility is reduced.
Choice of crops is reduced to only salt resistant varieties like cotton, barley
all
Q3:Solutions of soil salinity are
Soil is flushed with water and salts are dissolved and removed but this methods cant be used in india.
Lining of canals to avoid seepage.
Laying drainage pipes underground to pump out excessive water.
all
Q4:Solutions of soil salinity are
Use of agents like gypsum and sodium pyrite to recover soil.
Discourage use of ground water and encourage rain water harvesting, agro climatic farming.
both
none
Q5: Implications of soil salinity are
Quality of fodder reduced.
Reduced infiltration of water into ground.
both
none
Q6: Desertification:
Extreme form of land degradation in semi arid or sub humid areas. Expansion of desert areas.
It cant be reversed only prevented.
both.
none
Q7: Solutions to desertification are
Constructing retaining walls.
Growing grass on sand dunes.
. Cultivation of trees on margins
all
Q8: Alluvial Soil
Covers 42% of India.
Deposited by rivers. Well drained. Most fertile.
Lack of phosphorous.Covers northern plains. Fertility decreased but productivity increased.
all
Q9: Red Soil
Covers 25% of country.
Formed due to erosion of granite and gneissic rocks. Best drained soil, least susceptible to water logging. Most vulnerable to soil erosion.
Lacks nitrogen, phosphorous. Supports max crop diversity.
all
Q10: Black soil
Covers 15% of India..
Formed from erosion of volcanic rock. Lacks nitrogen and phosphorous.
High water retention. Cracks when dry so self ploughing and sticky when wet..
all
Q11: Laterite soil
Alternate wet dry season. Used for making bricks.
Leaching of silica – iron remains on topsoil.
Acidic soil. Not suitable for agriculture but with fertilizers cashews, tapioca, tea,coffee and rubber grown.
all
Q12: Mountainous soil
Immatured soil. Cant support agriculture due to steep slope but can grow grass and shrubs.
Good for lumbering.
Leaves of coniferous trees hard to degrade. Cold climate slows bacterial growth.
all
Q13:Desert soils
Sandy, loose and friable with low water retention capacity. It cant support agriculture.
But Indian desert soil is suitable for agriculture under irrigation as its made of aluminum deposits.
both
none
Q14: Mangrove soils
Bluish green color due to sulphide.
Cant support plants but only mangroves. Present in coastal areas of all states.
both
none
Q15: Soil alkalinity:
Calcium salts in upper layer causes moderate salinity. But in next stage sodium, potassium salts in upper layer.
This is due to bad drainage and over irrigation.
both
none
Q16: Land use in India:
Net sown area - 46
Forests - 23
Land not available for agriculture [cities, development infra]-15
all
Q17: Which is true ?
Desired land use wants to increase forest cover to 33%. Development land should be increase and fallow land reduced.
India also has highest percentage of dairy animals but isn't a leading exporters of dairy products.
India's Net Sown Area [NSA] is 10% of worlds agricultural area but low productivity is seen.
all
Q18: Which is true ?
India has more natural potential for agriculture than china.
India's NSA is more than china. India's Gross sown area [GSA] is 199 million hectares. Irrigated land = 61 million hectares.
Cropping intensity = G.S.A / N.S.A = 140% target = 160%
all
Q19: Features of Indian agriculture:
Subsistence agriculture
Low productivity
Rain fed
all
Q20: Agriculture efficiency =
Agriculture output / Agriculture input
weight of produce / area
both
none
Q21: Textiles of India
One of the most important industry which is self sufficient. Labor intensive with backward linkages with agriculture.
Maharashtra is known for cotton due to black cotton soil in Deccan plateau. Financial requirements are met from Parsis and Gujarathis.
both
none
Q22: Maharashtra is known for cotton due to
black cotton soil in Deccan plateau.
Financial requirements are met from Parsis and Gujarathis.
Cheap labor from surrounding areas, Mumbai was an agglomeration so inertia. Also ports for exports.
all
Q23: In Western India sugarcane is an important crop because:
Temperature is moderate due to sea which is favorable for sugarcane.
Skilled labor needed and western and South India have strong cooperative movement
Sugar from tropical varieties has high sugar content.
all
Q24: Government started Yellow Revolution to promote
oilseeds
egg
solar power
none
Q25: Tea needs
high rainfall but cant tolerate water logging.
It needs cool tempertature in morning.
High labor requirements as mechanization isn’t possible. Its Preferably grown in mountain slopes
all
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