Microorganisms: Friend and Foe-Microorganisms [CBSE (Central Board of Secondary Education) Class-8 Science]: Questions 1 - 9 of 27

Choose Programs:

🎯 465 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)

Rs. 300.00 -OR-

3 Year Validity (Multiple Devices)

CoverageDetailsSample Explanation

Help me Choose & Register (Watch Video) Already Subscribed?

Question 1

Question MCQ▾

Fungi helps in the fermentation is

Choices

Choice (4)Response

a.

Moulds

b.

Yeast

c.

Mushrooms

d.

Mildews

Edit

Question 2

Question MCQ▾

Medicines obtained from the fungus is

Choices

Choice (4)Response

a.

Antigens

b.

Antibodies

c.

Antibiotics

d.

Antiseptics

Edit

Question 3

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 4

Question MCQ▾

Algae that increases the soil fertility is

Choices

Choice (4)Response

a.

Kelps

b.

Real Algae

c.

Nostoc and Anabaena

d.

Diatoms

Edit

Question 5

Question MCQ▾

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

Edit

Question 6

Question MCQ▾

Nucleus of the bacteria is called as

Choices

Choice (4)Response

a.

Vibrios

b.

Nucleus

c.

Nucleoid

d.

Spirilla

Edit

Question 7

Question MCQ▾

Habitat of micro-organism is:

Choices

Choice (4)Response

a.

Soil

b.

Water

c.

Air

d.

All a., b. and c. are correct

Edit

Question 8

Question MCQ▾

Name of parasitic Fungi is

Choices

Choice (4)Response

a.

Moulds

b.

Yeast

c.

Mildews

d.

Mushrooms

Edit

Question 9

Question MCQ▾

Cyst is:

Choices

Choice (4)Response

a.

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

b.

Blue-green bacteria

c.

The outermost layer of earth

d.

In animals a multi-layered extra cellular external body covering

Edit