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Q&A HomeClass 8CBSEScienceMicroorganisms Friend and Foe
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Chapter 2

Microorganisms Friend and Foe

Science•Class 8•CBSE

15 Questions Available

Showing 15 questions on this page

1

Define virus.

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2

Mention any three ways through which pathogens are transmitted.

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3

Name the modes of transmission of communicable disease.

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4

How do microorganisms help in agriculture?

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5

What is fermentation?

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6

What are communicable diseases?

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7

Why is yeast used in the baking industry for making bread, cakes and pastries?

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8

Explain canning.

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9

Explain why antibiotics do not work against flu or any infection caused by viruses.

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10

Explain how malaria is transmitted to humans.

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11

Where are microorganisms found?

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12

Explain various types of bacteria.

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13

Why are viruses different from other microorganisms?

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14

What are antibodies?

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15

What are microorganisms?

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