Agriculture - Comprehensive Mock Test 4

Question 31 Easy

The cellulose content in humus is about?

A) 10% B) 4% C) 15% D) 21%

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Question 32 Easy

Percentage of soil solids in soil is?

A) 30% B) 40% C) 50% D) 60%

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Question 33 Medium

Percent of total N present in soil is in the form of organic N?

A) 95.99 B) 40.8 C) 100 D) 20

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Question 34 Medium

Nitrate levels in drinking water above about ______ mg per litre are considered a human health hazard?

A) 5 B) 10 C) 15 D) 20

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Question 35 Easy

Number of master horizons is?

A) 4 B) 5 C) 3 D) 6

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Question 36 Easy

Lithosphere has about ______ igneous rocks?

A) 75% B) 80% C) 72% D) 95%

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Question 37 Easy

Lithosphere contains about?

A) 9% B) 4% C) 1% D) 0.75%

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Question 38 Medium

Lithosphere contains about _______ sand stone and 0.25% limestone?

A) 0.75% B) 0.25% C) 2.25% D) 10.25%

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Question 39 Easy

Lignin like compounds in humus is about?

A) 45% B) 20% C) 30% D) 70%

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Question 40 Easy

K in igneous rocks is about?

A) 8.90% B) 2.50% C) 3.10% D) 18.50%

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