Microbiology - Physical and Chemical Agents

Exercise : Physical and Chemical Agents - Section 1
  • Physical and Chemical Agents - Section 1
41.
Which of the following material is sterilized by use of red heat?
Soiled dressings
Inoculating wires and loops
Glass slides
All-glass syringes
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
Which of the following methods will not sterilize?
Aqueous glutaraldehyde for 10 hours
Dry heat at 171°C for 1 to 2 hours
121°C at 15 lb/in pressure for 15 to 20 minutes
100°C boiling water for 30 minutes
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
Which of the following is/are vapour-phase disinfectant/s?
Formaldehyde
Ethylene oxide
Both (a) and (b)
None of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
Sweet and salty foods frequently don't require refrigeration to prevent spoilage because they have
insufficient nutrients
low pH
high concentration of solutes
toxic alkaline chemicals
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
Iodophores are mixture of
iodine and aldehydes
iodine and surface active agents
iodine and alcohols
iodine and phenols
Answer: Option
Explanation:
No answer description is available. Let's discuss.