state gov Tamil Nadu Police SI (TNUSRB) Mock Test Series 2024 General Science Biology Invention and Discoveries

किण्वन प्रक्रियेचा शोध कोणी लावला?

1
अलेक्झांडर फ्लेमिंग
2
रॉबर्ट कोच 
3
एडवर्ड जेनर
4
लुई पाश्चर
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