Crop Production and Management-Manure and Fertilizers (CBSE Class-8 Science): Questions 1 - 3 of 3

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Question number: 1

» Crop Production and Management » Manure and Fertilizers » Manure

MCQ▾

Question

What is eutrophication

Choices

Choice (4) Response

a.

Leaching of nitrates and phosphates to drinking water

b.

Leaching of nitrates and phosphates into the soil

c.

Leaching of nitrates and phosphate into rivers

d.

Leaching of nitrates to ground water

Question number: 2

» Crop Production and Management » Manure and Fertilizers » Manure

MCQ▾

Question

Gases released during the formation of manure are

Choices

Choice (4) Response

a.

O2, Co2 and CH4

b.

Co2, So2 and CH4

c.

Co, Co2 and CH4

d.

CH4, Co2 and H2O

Question number: 3

» Crop Production and Management » Manure and Fertilizers » Manure

MCQ▾

Question

Follow to replenish the lost nutrients is called

Choices

Choice (4) Response

a.

Manuring

b.

Crop rotation

c.

Fallowing

d.

Transplantation

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