Question

Sir Alexander Fleming was a very humble and modest man. He found Penicillin by chance.

He was very hard-working. He tried all his life to fight for killing germs of diseases that

developed in human body. Before the invention of penicillin, carbolic acid and sulfa drugs

were used as disinfectants. These killed the germs of many diseases. But these also

harmed the cells of human body. Penicillin saved the lives of millions of human beings.


1. What was the nature of Sir Alexander Fleming?

(a) He was a humble man. (b) He was hardworking.

(c) He was modest. (d) all of these

2. What did he find?

(a) Penicillin (b) Radium

(c) Carbonic Acid (d) Sulpha drugs

3. Penicillin saved the lives of ___________________.

(a) birds (b) humans

(c) animals (d) all of these

4. __________________ harmed the cells of human body.

(a) carbolic acid (b) sulpha drugs

(c) both (a) and (b) (d) neither (a) nor (b)

5. The word ‘invention’ means ____

(a) medicines (b) industrious

(c) noble (d) creation​

Answer 1

Answer:

1) - all of these

2) - penicillin

3) -. humans

4). - sulpha drugs

5). -. creation

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Answer 2

Answer:

1. all of these.

2. He find penicillin.

3. Penicillin saved the lives of humans.

4. Salfa drugs harmed the cell of human body.

5. The word invention means creation.

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