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1. Agrobacterium rhizogenes causes-
[1] Crown gall                                      [2] Nodules
[3] Hairy root                                       [4] Pustles
 
2. Which of the following technique would you use to separate molecules based upon their size-
[1] Gel Exclusion chromatography
[2] Antibody affinity chromatography
[3] Ion Exchange chromatography    
[4] Isoelectric Focusing

3. Which of the following is not correctly matched?
[1] Influenza Virus: Sialic acid
[2] HIV –CD4+CXCR4
[3] Polio-Immunoglobulin Superfamily
[4] Rabies: Alpha 2 macrogrobulin
 
4. Which of the following antibiotics do not affect the cell wall of synthesis of bacteria?
[1] Penicillin                                        [2] Ampicillin
[3 ]Vancomycin                                   [4] Isoniazid
 
5. The phagocytes are attracted toward microorganisms by- 
[1] Chemotaxis                                    [2] Rheotaxis
[3] Diapedesis                                     [4] Thogmotaxis