Are all microorganisms harmful?

Important Questions on Microorganisms : Friends and Foes

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 2 - Microorganisms : Friends and Foes>EXERCISES>Q 10

Name any two diseases caused by bacteria.

MEDIUM

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 2 - Microorganisms : Friends and Foes>EXERCISES>Q 1

Differentiate between aerobic and anaerobic bacteria.

MEDIUM

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 2 - Microorganisms : Friends and Foes>EXERCISES>Q 2

Algae are plant-like while protozoa are animal-like microorganisms. Explain.

MEDIUM

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 2 - Microorganisms : Friends and Foes>EXERCISES>Q 3

Microscopic algae sustain life on the Earth. How?

MEDIUM

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 2 - Microorganisms : Friends and Foes>EXERCISES>Q 4

Phytoplanktons live near the surface of water. Why?

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 2 - Microorganisms : Friends and Foes>EXERCISES>Q 5

Why do dry food items such as biscuits not spoil easily?

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 2 - Microorganisms : Friends and Foes>EXERCISES>Q 1

List three diseases caused by microorganisms. Explain the symptoms of any one disease.

EASY

8th CBSE

IMPORTANT

EUREKA PLUS Revised Bringing Science to Life>Chapter 2 - Microorganisms : Friends and Foes>EXERCISES>Q 2

Explain pasteurisation.