Soil Science MCQ Question and Answer | Agriculture MCQ Question Page-9 section-6

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81.
In Balck soils, Chernozem & Grummosols which type of clay are mainly found

A. Montmorillonite

B. Kaolinite

C. Halloysite

D. Illite

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82.
Gypsum contains

A. 18.6% Ca and 29.2% S

B. 29.2% Ca and 18.6% S

C. 19.5% Ca and 12.5% S

D. 12.5% Ca and 18.6%

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83.
Which organisms are microaerobic, free fixers or in association with grasses

A. Azotobacler

B. Azospirillum

C. Rhizobium

D. Frankia

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84.
Which one of the following element is considered to be an immobile element in the plant

A. Ca

B. Mg

C. B

D. K

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85.
A soil with high cation exchange capacity can hold more

A. F

B. K

C. B

D. Plants

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86.
Average content of silica in soil is

A. 27%

B. 24%

C. 31%

D. 35%

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87.
The moisture equivalent was introduced by

A. Briggs and McLane (1910)

B. Richards and Weaver (1944)

C. Whitney

D. Mendel

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88.
The C : N ratio of farmyard manure is

A. 20 : 1

B. 10 : 1

C. 30 : 1

D. 40 : 1

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89.
Super digested compost is called because

A. It is prepared by allowing it to decomposing beyond the normal process of decomposition.

B. It contains plant nutrients more than that present in ordinary compost.

C. Super phosphate is added to the compost during its preparation

D. Its P₂O₅ content is more than that present in the ordinary compost.

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90.
The reason of soil flocculation is

A. Lowering of Zeta potential

B. Increase in Zeta potential

C. No effect on Zeta potential

D. None of the above

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Soil Science MCQ Question and Answer | Agriculture MCQ Question

81. In Balck soils, Chernozem & Grummosols which type of clay are mainly found

Answer & Solution

82. Gypsum contains

Answer & Solution

83. Which organisms are microaerobic, free fixers or in association with grasses

Answer & Solution

84. Which one of the following element is considered to be an immobile element in the plant

Answer & Solution

85. A soil with high cation exchange capacity can hold more

Answer & Solution

86. Average content of silica in soil is

Answer & Solution

87. The moisture equivalent was introduced by

Answer & Solution

88. The C : N ratio of farmyard manure is

Answer & Solution

89. Super digested compost is called because

Answer & Solution

90. The reason of soil flocculation is

Answer & Solution

Read More Section(Soil Science)

81.
In Balck soils, Chernozem & Grummosols which type of clay are mainly found

82.
Gypsum contains

83.
Which organisms are microaerobic, free fixers or in association with grasses

84.
Which one of the following element is considered to be an immobile element in the plant

85.
A soil with high cation exchange capacity can hold more

86.
Average content of silica in soil is

87.
The moisture equivalent was introduced by

88.
The C : N ratio of farmyard manure is

89.
Super digested compost is called because

90.
The reason of soil flocculation is