Question

Bench solution of resazurin used for Resazurin Reduction Test (ten minutes) contains:

• A. 0.1 percent resazurin
• B. 0.01 percent resazurin
• C. 0.05 percent resazurin
• D. 0.005 percent resazurin

Hint:

Resazurin test: 0.005\% resazurin.
Used for milk quality assessment.
Reduction time indicates microbial activity.

Answer 1

The Correct Option is D

Step 1: Understanding the Concept:
Resazurin reduction test is used to assess milk quality.
The concentration of resazurin is standardized.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the concentration of resazurin.
Step 3: Detailed Explanation:
The bench solution of resazurin for the ten-minute test contains 0.005\% resazurin.
This concentration is used for the test.
Other concentrations are not used.
Thus, 0.005\% is the correct concentration.
Step 4: Final Answer:
The bench solution contains 0.005\% resazurin.
Hence, the correct option is (D). \bigskip