EASY
8th CBSE
IMPORTANT
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What are antibiotics? What precautions must be taken while taking antibiotics?

Important Questions on Microorganisms: Friend and Foe

MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 2 - Microorganisms: Friend and Foe>EXERCISES>Q C
Write a short paragraph on the harmful and beneficial effects of microorganisms.
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 2 - Microorganisms: Friend and Foe>EXERCISES>Q C
Why are viruses not considered free living?
HARD
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 2 - Microorganisms: Friend and Foe>EXERCISES>Q D
What are microorganisms? What is the study of microorganisms called? Give ten uses of microbes with examples.
HARD
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 2 - Microorganisms: Friend and Foe>EXERCISES>Q D
Classify microorganisms. Give characteristic features of each class with an example.
HARD
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 2 - Microorganisms: Friend and Foe>EXERCISES>Q D
Describe the nitrogen cycle in detail with the help of a diagram.
HARD
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 2 - Microorganisms: Friend and Foe>EXERCISES>Q D
What are preservatives? What is the basic principle of preservation? Explain some common preservatives procedures with adequate examples.
MEDIUM
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 2 - Microorganisms: Friend and Foe>EXERCISES>Q D
Temperature is a major factor that is involved in food preservation. Why excessive high and excessive low temperatures kill most pathogens?
EASY
8th CBSE
IMPORTANT
I Explore 3rd EDITION A Science Textbook 8>Chapter 2 - Microorganisms: Friend and Foe>EXERCISES>Q E
How does salt and sugar help in food preservation?