Agriculture - Mock Test 36

Question 351

The unconsolidated material on the underlying rock is called?

A) Regolith B) Soil C) Solum D) Earth

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Question 352

The tropical soils high in hydrous oxides of iron and aluminium embody ______ to torrential rains?

A) Susceptibility B) Resistance C) Both of these D) None of these

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Question 353

The texture of surface soil or surface horizon is called?

A) Soil phase B) Soil type C) Soil variant D) None of them

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Question 354

The tendency of the young upper leaves to remain as the lower leaves yellow or die is an indication of nitrogen?

A) Immobility B) Mobility C) Stability D) None of the above

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Question 355

The technique used for minimizing the loss of nitrogen in paddy fields comprises?

A) Use of neem cake B) Use of pre-incubated urea C) Use of mud ball D) All of these

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Question 356

The systematic examination, description, classification and mapping of soil of an area is known as?

A) Soil survey B) Soil mapping C) Soil classification D) All of the above

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Question 357

The sufficiency limit of iron is normally between?

A) 10-45 ppm B) 50-150 ppm C) 350-400 ppm D) 500-750 ppm

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Question 358

The succulence and lodging in plants is due to 'excessive' application of?

A) Zinc B) Phosphorus C) Hydrogen D) Potassium

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Question 359

The species of Rhizobium present in the root nodules of soyabean is?

A) R. japonicum B) R. leguminosarum C) R. trifolii D) R. phasedi

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Question 360

The soils of ______ zones can supply adequate potassium for many years even under irrigations?

A) Temperature B) Humid C) Arid D) Sub-tropical

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