Positive control plate पर no colonies क्या बता सकता है?
What can no colonies on a positive control plate indicate?
Explanation opens after your attempt
A. Cells competent नहीं रहीं या method failedCells are not competent or method failed
Concept
Failure of positive control shows a problem with the method or cells. It is important in troubleshooting.
Why this answer is correct
The correct answer is A. Cells competent नहीं रहीं या method failed / Cells are not competent or method failed. Failure of positive control shows a problem with the method or cells. It is important in troubleshooting.
Exam Tip
Positive control failure method या cells की problem दिखाता है। यह troubleshooting में important है।
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