General Science- sukshm bacteria Yukt Padarth Ka sheetkaran Ek Prakriya Hai , Jiska Karya Hai ?

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Q.12417: सुक्ष्म जीवाणुओं युक्त पदार्थ का शीतकरण एक प्रक्रिया है , जिसका कार्य है ?
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सुक्ष्म जीवाणुओं युक्त पदार्थ का शीतकरण एक प्रक्रिया है , जिसका कार्य है ? General Science in hindi,  bacteria Ke Vikash Ki Gati Ghatna question answers in hindi pdf  jeevanuon Ko Nishkriy Karna questions in hindi, Know About Jiwannu Ka nash Karna General Science online test General Science notes in hindi quiz book    Jiwannu Ke jeevdravy sankuchan Karna

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