CBSE (Central Board of Secondary Education) Class-8 Science: Questions 1 - 8 of 465

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Question 1

Question MCQ▾

Micro-organisms which causing diseases in human beings are:

Choices

Choice (4)Response

a.

Algae

b.

Virus

c.

Bacteria, Protozoa

d.

Both b. and c. are correct

Edit

Question 2

Question MCQ▾

Fungi helps in the fermentation is

Choices

Choice (4)Response

a.

Moulds

b.

Yeast

c.

Mushrooms

d.

Mildews

Edit

Question 3

Question MCQ▾

In which method irrigation manual or human/cattle labour is used

Choices

Choice (4)Response

a.

Modern method

b.

Traditional method

c.

Question does not provide sufficient data or is vague

d.

All of the above

Edit

Question 4

Question MCQ▾

Medicines obtained from the fungus is

Choices

Choice (4)Response

a.

Antigens

b.

Antibodies

c.

Antibiotics

d.

Antiseptics

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Question 5

Question MCQ▾

Micro-organism used in the laboratory for research is:

Choices

Choice (4)Response

a.

Protozoa

b.

Fungi

c.

Bacteria

d.

Algae

Edit

Question 6

Question MCQ▾

Grain silos are used for storing

Choices

Choice (4)Response

a.

Grains in granaries

b.

Large scale storage of grains

c.

Small storage of grains

d.

Grains in jute bags

Edit

Question 7

Question MCQ▾

Big pieces of soil are called as

Choices

Choice (4)Response

a.

Plank

b.

Plough

c.

Shaft

d.

Crumbs

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Question 8

Question MCQ▾

Micro-organisms which causes disease in plants is:

Choices

Choice (4)Response

a.

Protozoa

b.

Bacteria

c.

Virus

d.

Both b. and c. are correct

Edit