Science-Class-8 NCERT (NCERT Based General Studies (GS)): Questions 33 - 39 of 468

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Question number: 33

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

MCQ▾

Question

Viral diseases are:

Choices

Choice (4) Response

a.

Typhoid fever, Anthrax, Pneumonia

b.

Sleeping sickness, Malaria, diarrhoea

c.

Measles, Mumps, Chickenpox, Rabies

d.

Loose smut of wheat, potato blight

Question number: 34

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

MCQ▾

Question

Animal husbandry means

Choices

Choice (4) Response

a.

Process of removing weeds by biological method

b.

Branch of science deals with micro-organisms.

c.

Protection of grains from birds, rats, insects etc.

d.

Rearing of animals in farms or homes providing proper food, shelter and care.

Question number: 35

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

MCQ▾

Question

The main tools used for ploughing are

Choices

Choice (4) Response

a.

plough

b.

cultivator

c.

hoe

d.

All a. , b. and c. are correct

Question number: 36

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

MCQ▾

Question

Vitamin which we get from fungi is

Choices

Choice (4) Response

a.

Vitamin A

b.

Vitamin D

c.

Vitamin B

d.

Vitamin C

Question number: 37

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

MCQ▾

Question

Seed selected for sowing is

Choices

Choice (4) Response

a.

High yielding varieties

b.

Disease resistant

c.

healthy

d.

All a. , b. and c. are correct

Question number: 38

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

MCQ▾

Question

Nitrification is the process of conversion of

Choices

Choice (4) Response

a.

Conversion of animals excretory product into ammonia

b.

Conversion of nitrites and nitrates from soil back to air

c.

Conversion of ammonia into nitrites then to nitrates

d.

The process of conversion of free nitrogen into its compounds

Question number: 39

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

MCQ▾

Question

Disease caused by micro-organisms in animals is:

Choices

Choice (4) Response

a.

Malaria

b.

Anthrax

c.

Foot and mouth disease

d.

Both b. and c. are correct

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