Viruses can only multiply in a living cell. 

Important Questions on Microorganisms: Friend and Foe

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 2 - Microorganisms: Friend and Foe>Chapter Practice>Q 4

Anthrax is not a common disease in human and other animals.

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 2 - Microorganisms: Friend and Foe>Chapter Practice>Q 5

Oxygen and nitrogen make the 78% of air.

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 2 - Microorganisms: Friend and Foe>Chapter Practice>Q 6

Edward Jenner discovered the process of fermentation.

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 2 - Microorganisms: Friend and Foe>Chapter Practice>Q 7

Foot and mouth disease is a bacterial disease in animals.

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 2 - Microorganisms: Friend and Foe>Chapter Practice>Q 8

Microorganisms can be found only in air and water.

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8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 2 - Microorganisms: Friend and Foe>Chapter Practice>Q 9

Protozoa causes disease like dysentery and malaria.

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 2 - Microorganisms: Friend and Foe>Chapter Practice>Q 10

Jams, jellies and squashes are preserved by adding salt.

EASY

8th CBSE

IMPORTANT

All in One - SCIENCE CBSE Class 8>Chapter 2 - Microorganisms: Friend and Foe>Chapter Practice>Q 11

The element nitrogen cannot be utilised by the living organisms.