Sir Alexander Fleming Question And Easy Answers Notes (Lesson-13)

 2nd YEAR ENGLISH NOTES BOOK II

Sir Alexander Fleming Question And Easy Answers Notes

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PART-II (HEROES)

Lesson-13

 SIR ALEXANDER FLEMING

Exercise Questions Answer

 Q. 1: Who is the writer of the essay Sir Alexander Fleming?

Ans: Patrick Pringle is the writer of the essay „Sir Alexander Fleming‟.

Q. 2: What are antiseptics?

Ans: Germs can be killed or destroyed or poisoned by using some chemicals known as antiseptics.

Q. 3: What is the antiseptics method?

Ans: Anti-septic are the substances when are entered the body they kill the germs of diseases theta are harmful for the body.

Q. 4: What was the chief defect of antiseptic method?

Ans: The chief defect of anti-septic method was that it not only destroyed the germs but also the white blood cells of body, which are very important in the human body.

Q. 5: What part is played by the white cells in the blood of a human body?

Ans: The white blood cells of the body are to protect the body against disease.

Q. 6: Describe how Fleming discovered penicillin?

Ans: In 1922, Fleming was suffering from catarrh. He examined his own nasal secretions. He found a natural antiseptic produced by the body itself.

Q. 7: What was aseptic method?

Ans: The method in which heat was used to destroy the germs of diseases was known as aseptic method.

Q. 8: In what respect is penicillin better than the chemical antiseptics?

Ans: Penicillin is better than other chemical antiseptics as it destroys only germs of disease and is harmless to the white cells of the blood.

Q. 9: Was Fleming proud of his discovery?

Ans: Fleming was humble and not proud of his discovery. He said, “Nature makes penicillin, I just found it”.

Q. 10: Why couldn't penicillin have been discovered in the research laboratories of America?

Ans: Penicillin could not have been discovered in laboratories of America as these were very neat, clean and covered from all sides and spore of penicillin could not reach inside them.