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Hot air oven is used for sterilization of all EXCEPT__________________?

(A) Glassware

(B) Rubber tubes

(C) Sharp instrument

(D) Liquid paraffin

Submitted By: Ali Uppal


Oil and Grease are sterilized by________________?

(A) Hot air oven

(B) Auto claving

(C) Irradiation

(D) Ethylene dioxide

Submitted By: Ali Uppal


Which of the following is true about pasteurization ?

(A) It kills bacteria and spores

(B) It kills all bacteria except thermoduric bacteria

(C) It kills 95% of microorganisms

(D) Tubercle bacilli are destroyed

Submitted By: Ali Uppal


Portion of immunoglobulin molecule with molecular weight to 50000_________________?

(A) Secretory piece

(B) H chain

(C) L chain

(D) J piece

Submitted By: Ali Uppal


Prozone phenomenon is due to______________?

(A) Disproportionate antigen antibody levels

(B) Excess antigen

(C) Excess antibody

(D) Hyper immune reaction

Submitted By: Ali Uppal


Virus infected cell is killed by________________?

(A) Interferons

(B) Macrophages

(C) Neutrophils

(D) Autolysis

Submitted By: Ali Uppal


IL-1 and TNF a during inflammation are secreted by______________?

(A) Plasma cells

(B) Activated macrophages

(C) Lymphocytes

(D) Platelet

Submitted By: Ali Uppal


The protective effects breast milk are known to be associated with______________?

(A) IgM antibodies

(B) Lysozyme

(C) Mast cells

(D) IgA antibodies

Submitted By: Ali Uppal


Immunity that is conferred to the foetus by transfer of IgG and IgA antibodies is called as______________?

(A) Active acquired immunity

(B) Passive acquired immunity

(C) Natural active immunity

(D) Passive natural immunity

Submitted By: Ali Uppal


Submitted By: Ali Uppal