Major Core – VII Microbiology and Plant Pathology

1.      Pasteurization is a process of heating every particle of milk to atleast

          _______֯C for 30 minutes

           

• A. 72.     

•    B. 63.  

• C. 54. 

• D. 81

2.      Clostridium botulinum produces spores –

• True

• False.

3. 3..      Bacteriophages are--------------------------.

                                         

• 3. a.       bacteria 

• 3.    b. Virus   

• 3. c.Fungi      

• 3. d.Protozoa

4.      Flagella contains a protein called ------------------------------.

(a)  

5.      Live cell equals dead cells in ----------------------phase of bacterial growth curve.

           

• a.       lag

•    b.log

•     c.stationary   

•   d.decline

6.      The spherical shaped bacteria is known as -----------------------.

                                                         

• a.       cocci  

•    b.bacilli    

• c.vibrio 

•   d.spirillum

7. 7.Bacteria has a great potential in agriculture scenario

• True

• False

8.Rhizobium is a root nodule bacteria that assess in nitrogen fixation

• True

• False

9.Subunit vaccine are mostly prepared from------------------------

• bacteria

• virus

• parasite

• fungus

10. 10.Mycoplasma is -----------------------------bacteria

• cellwall

• cellwall less

• thick cellwall

• thin cellwall