What did Edward Jenner pioneer?

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What did Edward Jenner pioneer?

AVaccination

BElectrocution

CDialysis

DOpen heart surgery

rahim ? Jan 10 '2020 at 12:12

Correct answer is: Vaccination

Explanation:

The steps taken by Edward Jenner to create vaccination, the first vaccine for smallpox. Jenner did this by inoculating James Phipps with cowpox, a virus similar to smallpox, to create immunity, unlike variolation, which used smallpox to create an immunity to itself.

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Which of the following is the name of a medieval Indian book on mathematics?

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Which of the following is the name of a medieval Indian book on mathematics?

AVastushastra

BLeelavati

CPanchadashi

DRoopmati

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World environment day is observed on ...

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World environment day is observed on ...

AFebruary 18

BMay 26

CJune 5

DSeptember 2

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Which is the largest fresh water lake in the World?

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Which is the largest fresh water lake in the World?

ALake Victoria

BLake Erie

CLake Superior

DLake Ontario

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How many medals did India win in the 2012 summer Olympics?

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How many medals did India win in the 2012 summer Olympics?

A0

B3

C6

D8

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Which of the following is reared for its fleece / fiber?

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Which of the following is reared for its fleece / fiber?

AAlpaca

BAlabama

CApache

DAlluvial

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Who was the first to score a perfect 10 in Olympics in gymnastics?

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Who was the first to score a perfect 10 in Olympics in gymnastics?

ANadia Comaneci

BDaniela Silivas

CAlexander Dityatin

DMary Lou Retton

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