Tyndallisation is carried out for________________?
Sunlight acts as sterilizing agent because_________________?
Which of the following is not true of boiling water_____________?
In penicillin allergy, penicillin acts as a_______________?
Which of the following is not a koch’s postulate ?
In patients with asthma due to an allergic cause the serum levels of which immunoglobulin increase____________________?
Type of receptor present on T-cells are__________________?
Hot air oven cannot be used for sterlisling___________________?
Zero growth rate is observed during one of the phase of the bacterial growth curve______________?
Exotoxins are____________________?