Chapter 1 { General characteristics of microorganisms}

Question 1

What is the definition of microbiology?

Answer 1

Microbiology is the study of organisms that are usually too small to be seen by the unaided eye.

Question 2

What causes diseases?

Answer 2

Many diseases result from Viral , bacterial, fungal,or protozoan infections

Question 3

What changes do microorganisms responsible in organic matter?

Answer 3

1- Fermentation and carbon

2- Nitrogen and sulfur cycle that occur in the nature

Question 4

Mention microorganisms in terms of cells?

Answer 4

1-Prokaryotic

2- Eukaryotic

Question 5

Who discovered the microscope?

Answer 5

Leeuwenhoek

Question 6

Was the microscope invented or discovered?

Answer 6

Discover

Question 7

Who discovered Tubercle bacillus?

Answer 7

Koch

Question 8

Was Tubercle bacillus discovered or invented?

Answer 8

Discovered

Question 9

Who developed the rabies vaccine?

Answer 9

Pasteur

Question 10

Was rabies developed, discovered, or invented?

Answer 10

Develops

Question 11

Who discovered penicillin?

Answer 11

Fleming

Question 12

Was penicillin discovered or developed or invented?

Answer 12

Discovere

Question 13

Define prokaryotic group?

Answer 13

Wich contains those microorganisms with a very simple cell structure

Question 14

Prokaryotic cells differ from Eukaryotic cells by?

Answer 14

1-Rigid cell wall 
2-one chromosome
3-lack membrane bound organelles
4-nucleus
5-mitochondria

Question 15

Eukaryotic cells differ from prokaryotic cells by ?

Answer 15

1-more than one chromosome
2-no nuclear membrane
3-no nucleus
4-no mitochondria

Question 16

The diversity of microorganisms?

Answer 16

1- bacteria 
2- fungi
3-protozoa
4-algae
5-multi cellular animal parasites 
6-virus

Question 17

Define bacteria ?

Answer 17

Bacteria: are one called organisms without a nucleus. The cells are described as prokaryotics Bacteria can use a wide range of substances for their nutrition.