Agriculture - Mock Test 30

Question 291

______ ion effect represents the effect of adsorbed ion on the release of another from the surface of a colloid?

A) Supplementary B) Complementary C) Coordinated D) Integrated

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Question 292

______ in 1909 developed an equation that related growth to the supply of plant nutrients?

A) V J Kilmer B) R B McKercher C) J W Friedrich D) E A Mitscherlich

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Question 293

________ generally augments the utilization of phosphorus which is water soluble?

A) Broadcast B) Broadcast and incorporation C) Band placement D) None of these

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Question 294

_______ degradation plays a major role in the persistence and behaviour of herbicides in the soil?

A) Microbial B) Physical C) Chemical D) Thermal

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Question 295

_______ of the NH4+ in a region of alkaline microsite helps to restore the conditions suitable for the normal conversion of NO2- to NO3-?

A) Diffusion B) Dilution C) Both a & b D) None of these

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Question 296

_______ is probably the most important growth limiting factor in acid soils especially those having pH below 5.0 - S.S?

A) Nitogen B) Calcium C) Potassium D) Sluminium

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Question 297

_______ comprises important mechanisms of herbicide detoxification in soil under field conditions especially surface incorporation subsequent to rainfall or irrigation?

A) Thermo decomposition B) Blodecomposition C) Chemodecomposition D) Photodecomposition

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Question 298

_______ has been recommended for the control of weed in blackgram?

A) Atrazine 0.5 kg/ha B) 2, 4-D 0.75 kg/ha C) Fluchloralin 0.75 kg/ha D) Simazine 0.5 kg/ha

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Question 299

Which of the following is an igneous rock?

A) Quartz B) Marble C) Mica schist D) Slate

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Question 300

Which of the following to a high salt tolerant crop?

A) Lucerne B) Moons C) Rud D) Arhar

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