Agriculture - Mock Test 79

Question 781

An abrupt change in textural class or no continuity found between B and C horizon is termed as?

A) Textural change B) Lithological discontinuity C) Regolith D) None of them

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Question 782

Amount of K in soil plough layer is about?

A) 1,000-10,000 kg/ha B) 10,000-70,000 kg/ha C) 5,000-6,000 kg/ha D) 8,000-10,000 kg/ha

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Question 783

Amount of K in plants is?

A) 8.0 to 15.0% B) 10.0 to 8.9% C) 0.1 to 0.5% D) 0.3 to 6.0%

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Question 784

Amount of K in felspar and mica is about?

A) 60% B) 20% C) 90% D) 10%

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Question 785

Amount of heat required to raise temperature of 1 gm soil from 14 to 15?C is known as?

A) Heat capacity B) Specific heat C) Thermal conductivity D) None of the above

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Question 786

Among the fruits, lemon, apple, plum have been placed in the _____ salt tolerance group?

A) High B) Low C) Medium D) None of these

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Question 787

Ammonium sulphate is preferred for nitrogen application in groundnut because it also provides?

A) Calcium B) Magnesium C) Sulphur D) Copper

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Question 788

Ammonium sulphate contains?

A) 20% sulphur B) 26% sulphur C) 16% sulphur D) 24% sulphur

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Question 789

Ammonium and potassium ions are apparently just the right size to fit into the cavities between the crystal units of?

A) Kaolinite B) Montmorillonite C) Vermiculite D) None of these

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Question 790

Ammonia lost through volatilization in significant quantities from?

A) Alkaline soils B) Acidic soils C) Saline soils D) None of these

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