‫وزارة التعليم العالي‬
‫جامعة المجمعة‬
‫كلية العلوم الطبية التطبيقية‬
‫قسم علوم المختبرات الطبية‬
Ministry of Higher Education
Majmaah University
College of Applied Medical Sciences
Department of Medical Laboratory
lecture 2
Name of Instructor: Dr. Mosaab Omar
Location: Majmaah male campus
MCQ:
Please find the proper answer of the following:
1- Prokaryotic cells characterized by…………………:
a- No Organelles
b- Presence of Nucleus
c- No nucleus
d- Reproduce by binary fission
e- A, C and D
2- Eukaryotic Cells have…………..
a. Multiply by binary fission
b. If cell wall, Cellulose or chitin
c. Reproduce by mitosis
d. Both B and C
3- What’s correct regarding Bacterial Cell Wall:
a- It is the outer most component of the bacterial cell.
b-
It is located external to the cell membrane.
c-
Its structure differs between Gram positive and Gram negative bacteria.
d- All of them
4- gram –negative bacteria have………………… covered by an outer
membrane:
a. a thin peptidoglycan
a. a thick peptidoglycan
b. no peptidoglycan
c. None of them
1
5- gram + bacteria have………………… covered by an outer
membrane:
b. a thin peptidoglycan
d. a thick peptidoglycan
e. no peptidoglycan
f. None of them
7-The positive bacteria stain……………..with Gram stain
a. purple
b. Pink.
c. Blue.
d. Green.
8- gram –negative bacteria stain……….with Gram stains.
a. purple
b. Pink.
c. Blue.
d. Green.
9- In Gram positive bacteria Peptidoglycan have…………….
a- layer forms 50% of cell wall material
b- is responsible for cell wall rigidity
c- Is formed of N-acetyl glucosamine and N-acetyl muramic acid.
d- All of them
10- Penicillin inhibits……….. So it inhibits cross linking of the bacterial cell
wall:
a- Transpeptidase enzyme
b- acetyl cholin
c- DNA ligase
d- None of them
2
11- The acid fast bacteria is stained by……..
a- Ziehl-Neelsen stain
b- Stained purple with Giemsa
c- Stained blue with Safranin
d- None of them
12- Cocci arranged in "grape-like" clusters are known as __ .
A. streptococci
B. staphylococci
C. sarcinae
D. micrococci
13- Which of the following genera consists of endospore forming bacteria?
A. Bacillus
B. Streptococcus
C. Saccharomyces
D. Escherichia
14- Endospores are:
A. reproductive structures of fungus
B. living vegetative cells of bacteria
C. dormant structures produced by stressed bacteria
D. a type of vaccine
15- Which of the following is true about structure Gramm positive cell wall
A. is composed of thick peptidoglycan layer
B. periplasmic space is absent
C. include significant amount of teichoic and lipoteichoic acids
D. All of the above.
16- Which of the following is true about structure Gramm negative cell wall
A. thick peptidoglycan layer
B. periplasmic space is absent
C. include outer membrane
D. All of the above.
17- Bacterial cell wall is made up of
A.N- acetyl glucosamine.
B.N-acetyl muramic acid
C. Both a and b
D.N-acetyl glucosamine, N-acetyl muramic acid and amino acids.
18- The periplasm is a
A. Part of the outer cell membrane of gram negative organisms.
B. Part of the inner cell membrane of gram negative organisms.
C. Space between the inner cytoplasmic membrane and the outer membrane layers.
D. Alternate names for the inner cell membrane of any prokaryotic cell.
3
The organ of locomotion of bacteria is
a. capsule
b. slime
c. flagella
d. fimbriae
4