Agriculture - Mock Test 35

Question 341

To check nitrification, nitrification inhibitors are most useful in?

A) Peady B) Cotton C) Maize D) None of these

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Question 342

Til cake contains about?

A) 6.0% N B) 2.5% N C) 10.2% N D) 9.8% N

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Question 343

Thermal conductivity of different textural classes of the soils follows the following order?

A) Sand < Loam < Clay < Peat B) Sand > Loam > Clay > Peat C) Sand = Clay = Loam = Sand D) None of the above

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Question 344

There is a net increase in the mineralization of organaic nitrogen in soil when?

A) C:N = 20 - 30:1 B) C:N = < 20:1 C) C:N = . 30:1 D) Nitrogen is taken up by the crops

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Question 345

The zinc deficiency in rice causes disease?

A) Khaira B) Bacterial leaf streak C) Bacterial leaf blight D) Sheath blight

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Question 346

The weathering causes?

A) Disintegration and decomposition of rocks B) Disintegration and decomposition of rocks and minerals C) Both a & b D) None of these

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Question 347

The weathered material transported by means of waters and deposited in river basins are termed as?

A) Alluvial B) Marine C) Lacustrine D) None of above

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Question 348

The water held with a water potential greater than. 1/3 bar is known as?

A) Field capacity B) Gravitational water C) Available water D) Unavailable water

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Question 349

The value above ______ ppm is associated with boron toxicity?

A) 150 B) 200 C) 250 D) 300

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Question 350

The unit of fertilizer or any other growth factor which is necessary to produce the yield which in 50% of maximum possible yield is called?

A) Optimum unit B) Standard unit C) Baule unit D) Fertilizer unit

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