Question

Uksheet
A. Tick (/) the correct options:
1.
(a) Edward Jenner
(c) Alexander Fleming
was the first scientist to describe microorganisms.
(b) Louis Pasteur
(d) Antonie Van Leeuwenhoek
d?
8.​

Answer 1

Appropriate Question:

1. __________ was the first scientist to describe microorganisms.

• Answer :

• Antoine Van Leeuwenhoek ☑

Explanation ::

• Antoine Van Leeuwenhoek was the first one who discovered bacteria.

• Also, he is known as the "father of microbiology".

• He was the first one who discovered and observed living microorganisms.

Some extra information :

• Edward Jenner was the first one to discover the vaccine of small pox. He discovered it is 1798.

• Alexander Fleming was the first one to discover an antibiotic in 1929. He discovered an antibiotic named "penicillin". Penicillin is made from the fungi called "penicillium".

[Antibiotics are used to kill or stop the growth of the microorganisms which cause diseases.]

• Louis Pasteur discovered two major processes "pasteurization" and "fermentation".

→ Pasteurization is the method to preserve milk by heating it for 30 minutes and suddenly cooling it.

→ Fermentation is the process of conversion of sugar into alcohol by yeast (fungi). Fermenation process is used in making bread , alcoholic beverages etc.