How does a vaccine work?

Important Questions on Microorganisms

MEDIUM

8th CBSE

IMPORTANT

Living Science 8>Chapter 2 - Microorganisms>EXERCISES>Q D

How does salt prevent food spoilage?

HARD

8th CBSE

IMPORTANT

Living Science 8>Chapter 2 - Microorganisms>EXERCISES>Q D

What is dehydration of food? In what way is the technique useful?

HARD

8th CBSE

IMPORTANT

Living Science 8>Chapter 2 - Microorganisms>EXERCISES>Q D

Which microorganisms act as decomposers? How is this activity useful to us?

HARD

8th CBSE

IMPORTANT

Living Science 8>Chapter 2 - Microorganisms>EXERCISES>Q E

Why viruses are considered to be on the borderline of living and non-living?

HARD

8th CBSE

IMPORTANT

Living Science 8>Chapter 2 - Microorganisms>EXERCISES>Q E

Discuss three important ways in which bacteria are useful to us and two ways in which they are harmful.

HARD

8th CBSE

IMPORTANT

Living Science 8>Chapter 2 - Microorganisms>EXERCISES>Q E

Discuss the different ways in which communicable diseases spread from person to person.

HARD

8th CBSE

IMPORTANT

Living Science 8>Chapter 2 - Microorganisms>EXERCISES>Q E

Discuss five methods of food preservation.

HARD

8th CBSE

IMPORTANT

Living Science 8>Chapter 2 - Microorganisms>EXERCISES>Q 1

Why do you think curd sets faster in summer than in winter?