Match the name of the scientist given under column 'A' with the organism or the product was given under column. Column 'A' Column 'B' 1. Leeuwenhoek (a) phagocytes 2. Elic Metchnikoff (b) microscope 3. Louis Pasteur (c) penicillin 4. Alexander Fleming (d) antiseptic 5. Edward Jenner (e) pasteurisation

1 - b Leeuwenhoek discovered the first microscope. He was the first one to view bacteria and protozoa. 2-a Elic discovered bacteriophages and named them phagocytes This means bacteria eater. It is a virus that lives and attacks on bacteria. 3 - e Pateurisation is the process of heating the packaged or non-packaged food to kill the germs. It is the method of food preservation. Louis Pasteur was the discoverer of this technique. 4 - c Penicillin is an antibiotic discovered by Alexendar Fleming. He found that this kills germs. It was the first antibiotic to be discovered. 5 - d Antiseptics kill or slows the growth of micro-organisms. It prevents diseases. Column 'A' Column 'B' 1. Leeuwenhoek (b) microscope 2. Elic Metchnikoff (a) phagocytes 3. Louis Pasteur (e) pasteurisation 4. Alexander Fleming (c) penicillin 5. Edward Jenner (d) antiseptic

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SCIENCE For Class VIII>Chapter 2 - Microorganisms>EXERCISES>Q III

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8th CBSE

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Name the scientist who discovered fermentation.

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Important Questions on Microorganisms

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8th CBSE

IMPORTANT

SCIENCE For Class VIII>Chapter 2 - Microorganisms>EXERCISES>Q IV

Match the name of the scientist given under column 'A' with the organism or the product was given under column.

	Column 'A'		Column 'B'
1.	Leeuwenhoek	(a)	phagocytes
2.	Elic Metchnikoff	(b)	microscope
3.	Louis Pasteur	(c)	penicillin
4.	Alexander Fleming	(d)	antiseptic
5.	Edward Jenner	(e)	pasteurisation