General Microbiology MCQs
16. Question
Tyndallisation is
Boiling
Intermittent sterilisation
Pasteurisation
Autoclaving
Answer
17. Question
The disadvantage of boiling as a method of disnfection is
Onlly soft water can be used
Not effective for rubber gloves
Does not destroy spores
Does not kill vibrio cholerae
Answer
18. Question
In autoclaving,the tempreature and pressure and time reached is
121ºC at 14.5 lb/in for 15 min
110ºC at 14/5 lb/in for 20 min
115ºC at 16 lb/in for 20 min
116ºC at 16 lb/in for 20 min
Answer
19. Question
Cold sterilisation means
Sterilisation with gama rays
Sterilisation by ice
Sterilisation by sonic vibrations
Sterilisation under low temperature
Answer
20. Question
The best method of skin disinfectant is
100% alcohol
Spirit
Tincture iodine
Cetrimide
Answer