Agriculture - Mock Test 40

Question 391

The P2O5 content is P in the plough layer of 1 ha of soil containing 0.1%. P2O5 is?

A) 430 kg B) 860 kg C) 1290 kg D) 1500 kg

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Question 392

The organism, which can survive at the temperature 10 - 15?C, is called

A) Psychrophylic B) Mesophytic C) Thermoduric D) Thermophilic

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Question 393

The organic matter of soils is ordinarily obtained by multiplying the organic carbon content by?

A) 1.52 B) 1.62 C) 1.72 D) 1.82

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Question 394

Which of the following soil texture is more heavier than other?

A) Loamy sand B) Silty day loam C) Loam D) Silty loam

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Question 395

The oblique type of soil structure has about?

A) 25 - 30% pore space B) 40 - 45% pore space C) 5 - 10% pore space D) 15 - 20% pore space

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Question 396

The number of functional plant nutrient is?

A) 6 B) 20 C) 16 D) 10

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Question 397

The number of essential elements required for the growth of higher plant is?

A) 3 B) 6 C) 8 D) 16

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Question 398

The new comprehensive soils classification is based on?

A) Genetic characters B) Physical and chemical properties of soils C) Both a & b D) None of the above

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Question 399

The Neubauer seedling method is used to evaluate the soil fertility. The test plants used in this method is?

A) Barely seedling B) Wheat seedling C) Rye or Oat seedling D) All of the above can be used

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Question 400

The negative logarithm of H+ ion concentration (activity) in the soil-solution?

A) Acidity B) Salinity C) Alkalinity D) pH

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