A. Wd miller
B. Leumenhoek
C. Robertson
D. Socranci
✅ The correct answer is option Leumenhoek.
829. Immunoglobulin consists of________________?
A. 2 light, 2 heavy chains
B. 1 heavy, 2 light chains
C. 1 light, 1 heavy chain
D. 3 light, 1 heavy chain
✅ The correct answer is option 2 light, 2 heavy chains.
826. A child presents with infective skin lesions of the leg. Culture was done which showed gram positive cocci in chains and haemolytic colonies. Which of the following tests will best identify the organism ?
A. Bile solubility
B. Optochin sensitivity
C. Bacitracin sensitivity
D. Cataslase positive
✅ The correct answer is option Bacitracin sensitivity.
824. IL-1 and TNF a during inflammation are secreted by______________?
A. Plasma cells
B. Activated macrophages
C. Lymphocytes
D. Platelet
✅ The correct answer is option Activated macrophages.
818. Opacity around colonies of Clostridium perfringens is due to_________________?
A. Theta toxin
B. Lecithinase
C. Desmolase
D. Cytokinin
✅ The correct answer is option Lecithinase.
813. Which of the following are correctly matched ?
A. Transfer of antibody from mother to child is through colostrum and acquired passive immunity naturally
B. Injection of antibodies (Hepatitis) is artificially acquired passive immunity
C. Antigenic stimulus given by vaccine (polio) is artificial active immunity
D. All of the above
✅ The correct answer is option All of the above.
804. The protective effects breast milk are known to be associated with______________?
A. IgM antibodies
B. Lysozyme
C. Mast cells
D. IgA antibodies
✅ The correct answer is option IgA antibodies.
798. Oil and Grease are sterilized by________________?
A. Hot air oven
B. Auto claving
C. Irradiation
D. Ethylene dioxide
✅ The correct answer is option Hot air oven.
833. Q fever is caused by________________?
A. Rickettsia tsutsugamushi
B. R. prowozekii
C. R. quintana
D. C. burnetti
✅ The correct answer is option burnetti.
832. The immediate type of hypersensitivity in which histamine doses not play a major role is______________?
A. Urticaria
B. Asthma
C. Anaphylaxis
D. Arthus reaction
✅ The correct answer is option Arthus reaction.