1:  which of the following is none cellular organism?   a. Bacteria b. Virus

2.  Bacteria belong to…. cell            a. Prokaryotic b. Eukaryotic          

3. Which organism lacks a nucleus? a. Bacteria   b. virus  

4. Which of the organisms lack mitochondria? A. bacteria b. virus     c. both

5. Cell wall made up of chitin..    a. virus b. fungi  

6. cell walls are made up of peptidoglycan. a. bacteria b. virus 

7.    Method of replication in the virus. a. binary fission b. mitosis  c. none

8. Fungi method of replication is ….. a. budding b. mitosis  c. both

9. Chromosome number in Prokaryotic cell … a. One      B. two     C. three

10. Size of the ribosome in Eukerotic cell…. a. 80 S     b. 70 S

11. which of the following cell DNA lacks a nuclear membrane?

a. Bacteria    b. mold   c. yeast

12. Which of the following cell contain only one nucleic acid either DNA or RNA .. a. bacteria b. virus   

13. Which of the following is the smallest bacterium? a. Mycoplasma   b. e.coli

14. Which part of bacteria mediates in adherence to the host cell…. a.   pilus b. plasmid        

15. In the gram staining procedure, bacteria were exposed to 95% alcohol. What is the purpose of it ?

a. adhere the bacteria cell to slid b. disrupt the cell membrane  so that purple dye can leave bacteria

16. which of the following bacteria components exhibit the most antigenic variation?

a.  Spore   b. capsule  c. ribosome

17. Lysosome in tear is an effective bacterial. It directly attacks the …

A. endosome b. peptidoglycan

18. Bacteria that cause nosocomial infections often secretes substances that adhere to medical devices, name as … a. Porin b. Glycocalyx  

19. Which component of gram-positive bacteria causes septic shock.

a. teichoic acid b. Phospholipid

20. Gram-positive bacteria lack. a.  Outer membrane b. peptidoglycan

21. a microbiologist is in the process of classifying a newly discovered organism. its characteristics include:·

a. eukaryotic b. unicellular·c. has a cell wall· d. reproduces by spores

22. autotrophic which type of organism is it most likely to be?

a. Paramecium b. Mold c.oebadiatomslime

23. decomposer which type of organism is it most likely to be?

a.club fungus b.fungus-like c. Protestant-like d.protists fungus

24. Compounds are synthesis by the fermentation process.

a. ATP b. Pyruvate c. CO2 d. all

25. which of the following bacteria lack(s) a peptidoglycan cell wall?

a. Mycoplasma b. e.coli c. Staph

26. the bacterial chromosome is a. DNA b. DNA, RNA c.with in the nuclear membrane

27. Virus lack of ………. a. cell-wall b. growth c. protoplasm d. all

28. Muramic acid is present in the cell wall of….. a. Bacteria b. Fungai c. Protesta

29. bacteriophages are readily counted by the process of…. A. Dilution method B.Plaque count C. both

30. which component of a virus is lacking in a cell? A. DNA B. Capsid C. ribosome

Read more CH # 3+4 MCQs

Note: For the answer key see the video

 

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