Dry heat destroys microorganisms by_____________?
A. Lysis
B. Oxidation
C. Hydrolysis of DNA
D. Coagulation of proteins
Dry heat destroys microorganisms by_____________? Read More »
General Microbiology, Medical Mcqs, Microbiology A. Lysis
B. Oxidation
C. Hydrolysis of DNA
D. Coagulation of proteins
Dry heat destroys microorganisms by_____________? Read More »
General Microbiology, Medical Mcqs, Microbiology A. Eephrine
B. Steroids
C. Anti histamines
D. Antibiotics
The anaphylaxis should be treated first with_____________? Read More »
General Microbiology, Medical Mcqs, Microbiology A. The bacteria should be able to be isolated from a diseased tissue
B. When inoculated in experimental animals bacteria may or may not cause disease
C. Pure cultures can be obtained
D. Bacteria should be able to be isolated from the diseased tissue in the experimental animals
Which of the following is not a koch’s postulate ? Read More »
General Microbiology, Medical Mcqs, Microbiology A. Hapten
B. Carrier
C. Super antigen
D. Toxin
In penicillin allergy, penicillin acts as a_______________? Read More »
General Microbiology, Medical Mcqs, Microbiology A. It can kill hepatitis B virus
B. Used for sterilizing surgical instruments
C. Can kill mycobacterium tuberculosis
D. Can kill vegetative bacterial cells
Which of the following is not true of boiling water_____________? Read More »
General Microbiology, Medical Mcqs, Microbiology A. Long wavelength
B. short wave lenght
C. Ozone
D. Heat
Sunlight acts as sterilizing agent because_________________? Read More »
General Microbiology, Medical Mcqs, Microbiology A. One day
B. Two successive days
C. 60 minutes
D. Three successive days
Tyndallisation is carried out for________________? Read More »
General Microbiology, Medical Mcqs, Microbiology A. Type I hypersensitivity
B. Type II hypersensitivity
C. Type III hypersensitivity
D. Type IV hypersensitivity
A. Hot air oven
B. U.V. rays
C. Gamma rays
D. Boiling
Best method of sterilizing disposable syringes_______________? Read More »
General Microbiology, Medical Mcqs, Microbiology A. It has got more bactericidal activity
B. It has got more bacteriostatic activity
C. It has got no deleterious effect on the cement and lenses of instruments
D. Its application is easier
Glutaraldehyde is preferred more than formaldehyde because______________? Read More »
General Microbiology, Medical Mcqs, Microbiology