What is vaccine?

Important Questions on Microorganisms: Friend and Foe

MEDIUM

8th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 2 - Microorganisms: Friend and Foe>Exercise>Q 4

How does vaccine work?

MEDIUM

8th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 2 - Microorganisms: Friend and Foe>Exercise>Q 4

Why are the children vaccinated?

MEDIUM

8th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 2 - Microorganisms: Friend and Foe>Exercise>Q 1

Why does curd set faster in summers than in winters?

HARD

8th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 2 - Microorganisms: Friend and Foe>Exercise>Q 2

Why do we say that if a person suffers from chickenpox once, he/she is not likely to be attacked by the same disease in future?

HARD

8th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 2 - Microorganisms: Friend and Foe>Exercise>Q 3

Why should we always wash our hands before handling food item?

MEDIUM

8th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 2 - Microorganisms: Friend and Foe>Exercise>Q 1

How will you prove that carbon dioxide is released during fermentation?

MEDIUM

8th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 2 - Microorganisms: Friend and Foe>Exercise>Q 1

Sonia's mother wants to make dhokla in breakfast. What should she use to make to make soft dough of dhokla?

HARD

8th CBSE

IMPORTANT

LEARNING SCIENCE>Chapter 2 - Microorganisms: Friend and Foe>Exercise>Q 2

One day Rini was feeling uneasy and did not want to drink milk. By which mode can she preserve the excess milk?