1. The best way to sterilize an instrument soaked in AIDS virus is: Moist autoclaving Clean and autoclave with dry heat Dip the instrument in glutaraldehyde Boiling for 1 hour 2. NK CELL acts on viruses because NON Expression of MHC II on cell surface receptor Expression of MHC I on cell surface receptor Expression of MHC II on cell surface receptor Non Expression of MHC I on cell surface receptor 3. Germ tubes are formed mainly by Candida pseudotropicalis Candida stellatoidea Candida albicans Candida tropicalis 4. Tuberculin test screens for Humoral immunity Phagocyte dysfunction Complement function Cell mediated immunity 5. Chlamydia causes all of the following except Pneumonia Parotitis Trachoma Mon-gonococcal urethritis 6. The serum concentration of which of the following human IgG subclass is maximum? IgG3 IgG4 IgG2 IgG1 7. All are true about Widal test except one Antibiotic treatment can modify results agglutinins lasts longer and hence is not indicative of recent infection Baseline titer differ depending on endemicity of the disease H agglutinins cannot differentiate between types 8. The Ig found in exocrine secretions is: IgD IgM IgA IgG 9. The exact part of the antigen that reacts with the immune system is called as Clone Paratope Epitope Idiotope 10. IL-1 and TNF – ? during Inflammation are secreted by Lymphocytes Plasma cells Platelets Activated macrophages 11. Effector region of immunoglobulin is Constant region of light and heavy chain Variable region of light and heavy chain Variable region of heavy chain Constant region of heavy chain 12. Which of the following is true regarding conjugation in bacteria: Requires restriction endonuclease Lysis of donor bacteria Transfer Of double stranded DNA occurs Sex pili is necessary 13. Bacteria acquire characteristics by all of the following except Incorporating part of host DNA Through bacteriophages Through conjugation Through plasmids 14. The following hepatitis virus is transmitted by faeco-oral route: except Hepatitis D Virus Hepatitis C Virus Hepatitis B Virus Hepatitis E Virus 15. Kolmer test is a screening test done for Lymphoma Syphilis Gonorrhea Tuberculosis 16. True about meningococci vaccine is Capsule polysaccharide act as a virulent factor for the production of antibody Conjugate vaccine not given in outbreaks Vaccine with Polysaccharide B is immunogenic Polysaccharide vaccine should be given to children below 2 years of age 17. Which of the following is true: Lyssa virus is transmitted by ticks Hanta virus pulmonary syndrome is caused by inhalation of rodent urine and faces None Kyanasur forest disease is caused by bite of / wild animal 18. Which of the following is anaerobic: Bacteroides Pseudomonas E.coli Klebsiella 19. Which of the following distinguishes viral infections from other microbial Production of interferon Toxin production Lymphocyte production Neutrophil production 20. A protoplast is best described as a bacterial cell With a cell wall but free of capsule Uniquely sensitive to penicillin Containing a cell wall and a capsule Free of cell wall and capsule Loading … Question 1 of 20
