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The soil salinization occurred due to irrigation is a concern in drier regions and not in humid regions. Consider the following statements
1. In humid regions, there is enough precipitation to leach (wash) the salts below the plant root zone.
2. In drier regions, higher temperature leads to higher evaporation of water resulting into leaving behind of salt on the surface of the soil.
3. Soil salinization occurring due to irrigation can equally impact both humid areas as well as drier areas.
Choose the correct statement from the code given below
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Laterite soils and Forest soils are acidic in nature. What is the reason for this?
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Rivers forms many outstanding features throughout their course. In this respect which of the following pairs are correctly matched ?
1. river capture : middle course
2. meanders : upper course
3. ox-bow lakes : lower course
Select the correct answer using the codes given below.
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Kerala largely has laterite soil and not red soil. Sugarcane grown in subtropical region has lower productivity than that is grown in tropical regions.
Consider the following statements about subtropical region ie Northern India which has low productivity in sugarcane production.
1) Frost formations.
2) Floods and water logging.
3) High diurnal temperature.
4) Low humidity.
Choose the correct reason/s from the codes below.
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In India El Nino can have comparatively lesser impact on Sugarcane and Urad production.
What are the reasons?
1) Sugarcane is largely grown under irrigated areas.
2) Urad is mainly grown in regions where rainfall variability is very low.
3) Urad is drought resistant crop.
4) Sugarcane although a khariff crop requires very less water.
Choose the right pair of reasons from the codes below
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The lower gangetic plain is characterised by humid climate with high temperature throughout the year. Which one among the following pairs of crops is most suitable for this region?
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Tea best grows in Assam, Darjeeling and Jalpaiguri districts of West Bengal. What is/are the uniqueness of this region which suits this crop?
1) It has warm and humid climate.
2) Showers are mainly concentrated in 4-5 months ie June to October in any year.
3) Deep, fertile and well drained soil.
4) Rugged topography of the relief near the Himalayan foot hills.
Choose the correct code.
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With reference to monsoon of eastern Asia and southern Asia, consider the following statements:
1. Winter monsoon in eastern Asia is stronger than summer monsoon while it is the opposite in southern Asia.
2. The burst of monsoon over southern Asia is associated with turbulent weather whereas that in east Asia is characterized by mild weather disturbances.
Which of the statements given above is/are correct?
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Kerala has outpaced every other state in the country in terms of Rubber production. The reasons being
1) It has hot and humid climate with precipitation more than 200cms annually.
2) Very small dry spell during summers for 2-3 months.
3) Well drained red soil with gentle slope and no stagnation of water.
Choose the correct reason/s from the code below.
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Central Zoo Authority, a body set up in 1992 for the oversight of zoos.
Consider the following statements regarding CZa.
1) It is set up under the Wild Life Protection Act, 1972.
2) It is an affiliated member of World Association of Zoos and Aquarium.
3) It doesn’t have the power to regulate the trade of endangered species.
Choose the correct statements from the following code.
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