Microorganisms: Friend and Foe-Microorganisms (CBSE Class-8 Science): Questions 1 - 9 of 27

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Question number: 1

» Microorganisms: Friend and Foe » Microorganisms » Bacteria and Fungi

MCQ▾

Question

Fungi helps in the fermentation is

Choices

Choice (4) Response
a.

Mildews

b.

Moulds

c.

Yeast

d.

Mushrooms

Question number: 2

» Microorganisms: Friend and Foe » Microorganisms » Bacteria and Fungi

MCQ▾

Question

Medicines obtained from the fungus is

Choices

Choice (4) Response
a.

Antibiotics

b.

Antiseptics

c.

Antigens

d.

Antibodies

Question number: 3

» Microorganisms: Friend and Foe » Microorganisms » Protozoa and Algae

MCQ▾

Question

Micro-organism used in the laboratory for research is:

Choices

Choice (4) Response
a.

Protozoa

b.

Algae

c.

Bacteria

d.

Fungi

Question number: 4

» Microorganisms: Friend and Foe » Microorganisms » Protozoa and Algae

MCQ▾

Question

Algae that increases the soil fertility is

Choices

Choice (4) Response
a.

Real Algae

b.

Nostoc and Anabaena

c.

Diatoms

d.

Kelps

Question number: 5

» Microorganisms: Friend and Foe » Microorganisms » Protozoa and Algae

MCQ▾

Question

The term Protozoa means:

Choices

Choice (4) Response
a.

The most primitive and simplest animal

b.

Disease causing agents

c.

The disease causing micro-organisms

d.

Organisms which are the carriers of parasite

Question number: 6

» Microorganisms: Friend and Foe » Microorganisms » Bacteria and Fungi

MCQ▾

Question

Nucleus of the bacteria is called as

Choices

Choice (4) Response
a.

Spirilla

b.

Nucleus

c.

Nucleoid

d.

Vibrios

Question number: 7

» Microorganisms: Friend and Foe » Microorganisms » Virus

MCQ▾

Question

Habitat of micro-organism is:

Choices

Choice (4) Response
a.

Soil

b.

Air

c.

Water

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

Question number: 8

» Microorganisms: Friend and Foe » Microorganisms » Bacteria and Fungi

MCQ▾

Question

Name of parasitic Fungi is

Choices

Choice (4) Response
a.

Mushrooms

b.

Yeast

c.

Mildews

d.

Moulds

Question number: 9

» Microorganisms: Friend and Foe » Microorganisms » Where Do Microorganisms Live?

MCQ▾

Question

Cyst is:

Choices

Choice (4) Response
a.

Blue-green bacteria

b.

A small capsule like sac that enclose an organism in resting stage.

c.

The outermost layer of earth

d.

In animals a multi-layered extra cellular external body covering

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