Science (NCERT Based General Studies (GS)): Questions 74 - 80 of 1207

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Question number: 74

» Science » Class-8 NCERT » Crop Production and Management (Preparation of Soil)

MCQ▾

Question

What is ploughing?

Choices

Choice (4) Response
a.

process of sowing the seeds.

b.

The process of breaking down the soil lumps

c.

The process of loosening and turning of soil.

d.

Process of watering the plants.

Question number: 75

» Science » Class-8 NCERT » Microorganisms: Friend and Foe (Microorganisms)

MCQ▾

Question

The Protozoa which causes amoebic dysentery in human is

Choices

Choice (4) Response
a.

Entamoeba

b.

Plasmodium

c.

Trypanosoma

d.

Giardia

Question number: 76

» Science » Class-8 NCERT » Microorganisms: Friend and Foe (Nitrogen Fixation)

MCQ▾

Question

Steps involved in nitrogen cycle are:

Choices

Choice (4) Response
a.

De-nitrification

b.

Nitrogen Fixation

c.

Nitrification

d. All a. , b. and c. are correct

Question number: 77

» Science » Class-8 NCERT » Crop Production and Management (Food From Animals)

MCQ▾

Question

Name some meat yielding animals

Choices

Choice (4) Response
a.

Hen, duck

b.

Honey bee, silkworm, lac worm

c.

Sheep, Goat, cock, fish

d.

Cow, goat, buffalo

Question number: 78

» Science » Class-8 NCERT » Crop Production and Management (Agricultural Practices)

MCQ▾

Question

What is agriculture Practice?

Choices

Choice (4) Response
a.

This is first step in raising the crops

b.

The various tasks and planning undertaken by farmer for raising crops.

c.

Ploughing loosens and aerates the soil

d.

It is a large piece of farming equipment

Question number: 79

» Science » Class-8 NCERT » Microorganisms: Friend and Foe (Microorganisms)

MCQ▾

Question

Micro-organisms which are the link between the living and non-living organisms is:

Choices

Choice (4) Response
a.

Algae

b.

Bacteria

c.

Virus

d.

Fungi

Question number: 80

» Science » Class-8 NCERT » Microorganisms: Friend and Foe (Commercial Use of Microorganisms)

MCQ▾

Question

The Vaccine is defined as:

Choices

Choice (4) Response
a.

A non -living particle containing genetic matter and covering of protein.

b.

A component of the vertebral column

c.

A preparation containing dead or weakened pathogens that when injected into the body elicit an immune response.

d.

Term applied to the lower side of the fish

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