Microbiology - Physical and Chemical Agents

Why Microbiology Physical and Chemical Agents?

In this section you can learn and practice Microbiology Questions based on "Physical and Chemical Agents" and improve your skills in order to face the interview, competitive examination and various entrance test (CAT, GATE, GRE, MAT, Bank Exam, Railway Exam etc.) with full confidence.

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You can easily solve all kind of Microbiology questions based on Physical and Chemical Agents by practicing the objective type exercises given below, also get shortcut methods to solve Microbiology Physical and Chemical Agents problems.

Exercise :: Physical and Chemical Agents - Section 1

  • Physical and Chemical Agents - Section 1
1. 

Which of the following articles can be sterilized in an autoclave?

A. Gloves
B. Culture media
C. Dressing material
D. All of these

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

2. 

Which of the following disinfectants act by disrupting microbial membranes?

A. Cationic detergents
B. Halogens
C. Heavy metals
D. Aldehydes

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

3. 

Which of the following is best to sterilize heat labile solutions?

A. Dry heat
B. Autoclave
C. Membrane filtration
D. Pasteurization

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

4. 

The time required to kill 90% of the microorganisms in a sample at a specific temperature is the

A. decimal reduction time
B. thermal death point
C. F value
D. D value

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

5. 

Which of the following is best used for long term storage of microbial samples when carried out properly?

A. Storage in a freezer at -10°C
B. Storage in a freezer at ultra low temperatures (-70°C)
C. Storage in a refrigerator on an agar slant
D. Storage on a petri plate at room temperature

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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