Bacteria Morphology - Section 3 Multiple Questions and Answers.




1.In eukaryotic cells, ribosomes are
A. 70S
B. 60S
C. 80S
D. All of Above

2.Porins are located in
A. the outer membrane of gram-negative bacteria
B. the peptidoglycan layer of gram-positive bacteria
C. the cytoplasmic membrane of both gram-negative and gram-positive bacteria
D. the periplasmic space of gram-negative bacteria

3.Which of the following is exposed on the outer surface of a gram-negative bacterium?
A. O-antigen of lipopolysaccharide (LPS)
B. Polysaccharide portion of lipoteichoic acid (LTA)
C. Braun lipoprotein
D. Electron transport system components

4.Which of the following does not contain protein?
A. Pili
B. Flagellum
C. Lipoteichoic acid
D. Porin

5.Swimming towards a chemical of bacteria is termed as
A. positive chemotaxis
B. negative chemotaxis
C. phototaxis
D. magnetotaxis

»



Date to Date Current Affairs 2022

PakMCQs.net

Quick Links

GAT Subject



   Computer Science    English Mcqs    Agriculture    

Engineering



   Computer Science    Civil Engineering    

Technical



   Networking    Electronics    Database    

Past Papers



   Model Papers    FPSC Papers