Agriculture - Mock Test 80

Question 791

Alluvial soils are rich in?

A) K2O, P2O5 and Lime B) N C) Fe, A1 D) Si, Cu

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Question 792

Wind laden with soil particles cembodies the abrasive action, which is?

A) Greatly increased B) Greatly decreased C) Absolutely unaffected D) None of these

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Question 793

All potassium fertilizers are physiologically alkaline, there reactionwith soils is?

A) Acidic B) Alkaline C) Neutral D) None of the above

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Question 794

Zinc deficiency occurs in crops growing in soils having high phosphorous?

A) Light soils B) Calcareous soils C) Soils low in phosphorous D) Soil having pH 7.5

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Question 795

Alkali soils are generally found in?

A) Sub-humid climate B) Arid and semi-arid climate C) Temperate climate D) None of these

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Question 796

Alfisol soils are mostly ______ in respect of their fertility and are used either as crop land or forest or range land?

A) High B) Medium C) Low D) Extremely low

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Question 797

Aeolian deposit are formed by the transportation of materials through?

A) Running water B) Wind C) Sea D) Ice

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Question 798

Adsorbed Ca++, Mg++ or A1++ may encourage soil aggregate formation starting with a process called?

A) Flocculation B) Exfoliation C) Soil solrization D) None of above

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Question 799

Addition of the following material makes it possible to take good crop in sodic soil?

A) FYM B) Gree manure C) Gypsum D) All of these

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Question 800

Active soil forming factors would include?

A) Vegetaion and topography B) Time, topography and climate C) Time and vegetation D) Vegetation and climate

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