What are the differences between antibiotic and vaccine?

Important Questions on The World of Micro Organisms: Part-2

MEDIUM

8th Telangana Board

IMPORTANT

Biology Class 8>Chapter 3 - The World of Micro Organisms: Part-2>Improve your learning>Q 3

The invention of penicillin protected the world from deaths during the first world war, explain.

MEDIUM

8th Telangana Board

IMPORTANT

Biology Class 8>Chapter 3 - The World of Micro Organisms: Part-2>Improve your learning>Q 4

Take three bowls and mark as A, B and C. Pour lukewarm milk in bowl A, hot milk in bowl B, cold milk in bowl C. Add one teaspoon of curd or buttermilk in three bowls and stir them slightly. Cover the bowls with lids. Keep the bowls undisturbed for five to six hours. In which bowl milk turned into curd? Give reasons.

MEDIUM

8th Telangana Board

IMPORTANT

Biology Class 8>Chapter 3 - The World of Micro Organisms: Part-2>Improve your learning>Q 8

What is pasteurisation? How is it useful?

MEDIUM

8th Telangana Board

IMPORTANT

Biology Class 8>Chapter 3 - The World of Micro Organisms: Part-2>Improve your learning>Q 9

Edward Jenner's collects fluid from a cowpox pustule and injects to an eight-year-old boy. Then he exposed the boy to smallpox and the boy did not get smallpox. How do you appreciate the daring action of Edward Jenner?

MEDIUM

8th Telangana Board

IMPORTANT

Biology Class 8>Chapter 3 - The World of Micro Organisms: Part-2>Improve your learning>Q 11

''Prevention is better than cure'' comment.

MEDIUM

8th Telangana Board

IMPORTANT

Biology Class 8>Chapter 3 - The World of Micro Organisms: Part-2>Improve your learning>Q 12

Raheem tells to his neighbours, “Stagnation of sewage in our surroundings is harmful to our health.” Do you support this? Why?

MEDIUM

8th Telangana Board

IMPORTANT

Biology Class 8>Chapter 3 - The World of Micro Organisms: Part-2>Improve your learning>Q 13

Jeevan said that “If there are no microorganisms earth will remain with wastes.” Will you agree with this statement, why?

MEDIUM

8th Telangana Board

IMPORTANT

Biology Class 8>Chapter 3 - The World of Micro Organisms: Part-2>Improve your learning>Q 14

Kavita is suffering from a serious illness. The doctor prescribed antibiotics for five days. After three days of usage, she stopped taking antibiotics. Mention with reason, whether it is correct or not.