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MULTIPLE CHOICE QUESTIONS WITH ANSWERS ON ULTRA-STRUCTURE OF BACTERIA (MCQ ON MICROBIOLOGY)

Ansari Pharma Education October 18, 2020

 

MICROBIOLOGY MCQ 



MULTIPLE CHOICE QUESTIONS

ULTRASTRUCTURE OF BACTERIA



1. Which of the following component of bacteria are known as organs of locomotion?
      A) Capsule



... Answer is C)
Flagella are known as organs of locomotion"

2. Functions of capsule are…




... Answer is D)
All of the above are the function of capsule..

3. The bacterial pili mainly contain




... Answer is C)
The bacterial pili mainly containProteins .
4. Meosomes are the part of




... Answer is A)
Meosomes are the part of Plasma membrane "

5. The site of energy production in a cell




... Answer is D)
The site of energy production in a cell is Mitochondria .

6. Bacterial ribosomes are composed of




... Answer is A)
Bacterial ribosomes are composed ofProtein and rRNA .
7. Which of the following option right about gram negative Cell wall




... Answer is C)
Teichoic acids are absent in gram negative Cell wall & Hans"

8. The bacterial cell multiplication is usually by




... Answer is B)
The bacterial cell multiplication is usually by Binary-fission.

9. The differences between Gram positive and Gram negative bacteria is shown to reside in the




... Answer is A)
The differences between Gram positive and Gram negative bacteria is shown to reside in the cell wall .
10. Rod shaped bacteria are known as




... Answer is D)
Rod shaped bacteria are known as Cocci "

11. Bacteria have single polar flagella at both poles is called… .




... Answer is A)
Amphitrichous Bacteria have single polar flagella at both poles .

12. The functions of plasmid are




... Answer is D)
None of the above
13. Which of the following component of bacteria are known as organ of adhesion




... Answer is B)
Pilli are known as organ of adhesion

14.Fimbriae are composed of protein known as




... Answer is A)
Fimbriae are composed of protein known as Pillin .

15.Mycoplasmas are bacterial cells that




... Answer is A)
Mycoplasmas are bacterial cells that are resistant to penicillin .

16. one flagellum at one end of the bacterial cell is called




... Answer is C)
one flagellum at one end of the bacterial cell is called Monotrichate .

17.Which of the following structure, found external to the bacterial cell wall are involved in bacterial attachment to cell surfaces




... Answer is D)
Pilli are involved in bacterial attachment to cell surfaces .

18.General size of bacteria is




... Answer is A)
General size of bacteria is 1 um .

19. Thickness of cell wall ranges from




    a. 9-10 nm b. 12-13 nm c. 10-25 nm d. 30-40 nm
... Answer is C)
Thickness of cell wall ranges from 10-25 nm .

20. Bacterial locomotion is accomplished by




... Answer is D)
Bacterial locomotion is accomplished by both Flagella and Fimbriae r .

21.Lipid contents is more in




... Answer is A)
Lipid contents is more in Gram negative bacteria .

22. Bacterial capsule is chemically composed of




... Answer is D)
Bacterial capsule is chemically composed of both Polypeptide and polysaccharides. .

23. Extremely fine extracellular structures involved in cell to cell contact is




... Answer is C)
Extremely fine extracellular structures involved in cell to cell contact is Pili .

24.The extracellular appendage which helps in movement in bacteria




... Answer is B)
The extracellular appendage which helps in movement in bacteria is Flagella .

25.The membranous infolding which is thought to be the site of DNA replication in bacteria is called 




... Answer is C)
The membranous infolding which is thought to be the site of DNA replication in bacteria is called Mesosomes .


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