भोजन के नमूने को ढककर रखना किसलिए उपयोगी है?
Why is keeping a food sample covered useful?
Explanation opens after your attempt
Correct Answer
A. दूषण से बचाने के लिएTo protect from contamination
Concept
A covered sample remains clean and safe. In exams, remember sample hygiene.
Why this answer is correct
The correct answer is A. दूषण से बचाने के लिए / To protect from contamination. A covered sample remains clean and safe. In exams, remember sample hygiene.
Exam Tip
ढका नमूना साफ और सुरक्षित रहता है। परीक्षा में sample hygiene याद रखें।
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