Negative phase is seen in ________ immunity?

Related Mcqs:

All are not true for cultivation of anaerobic organisms except_______________?

A. Incubator B. anaerobic jar C. Refrigerator D. Centrifuge...

Endotoxins differ from exotoxins in that endotoxins______________?

A. are proteins B. are heat labile C. are highly antigenic D. activate complement by the alternate pathway...

The best method of sterilization of dressing powder is_____________?

A. Autoclaving B. Hot air oven C. Inspissation D. Tyndallization...

The usual concentration of agar used in agar medium is___________________?

A. 10% B. 2% C. 5% D. 15%...

Which of the following is NOT a live attenuated vaccine ?

A. Tuberculosis (BCG) B. Typhoid C. Varicella Zoster virus D. Cholera...