Question:
Which one among the following medium is used to isolate staphylococci from dairy products.
Which one among the following medium is used to isolate staphylococci from dairy products.
Show Hint
Mannitol salt agar: selective for staphylococci.
High salt concentration.
Differential based on mannitol fermentation.
High salt concentration.
Differential based on mannitol fermentation.
Updated On: Aug 18, 2026
- Endo agar
- Mannitol salt agar
- Malt extract agar
- Nutrient agar
Show Solution
Verified By Collegedunia
The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept:
Selective media are used to isolate specific microorganisms.
Different media are used for different bacteria.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the selective media for staphylococci.
Step 3: Detailed Explanation:
Mannitol salt agar is used to isolate staphylococci.
It is selective (high salt concentration) and differential (mannitol fermentation).
Endo agar is used for coliforms.
Malt extract agar is for yeasts and moulds.
Nutrient agar is a general-purpose medium.
Thus, mannitol salt agar is used for staphylococci.
Step 4: Final Answer:
Mannitol salt agar is used to isolate staphylococci.
Hence, the correct option is (B). \bigskip
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