CBSE Class 12
Free courses
Biology
Biology & Human Welfare
Lesson 8 of 9 • 39 upvotes • 6:41mins
9 lessons • 1h 27m
Introduction (in Hindi)
5:24mins
Microbes in Human Welfare (in Hindi)
11:31mins
Beverages and Antibiotics (in Hindi)
11:43mins
Organic Acid and Alcohol (in Hindi)
10:30mins
Sewage Treatment Plant (in Hindi)
15:00mins
Biogas
8:08mins
Biocontrol Agent
13:18mins
Biofertiliser
6:41mins
Test 📝
5:02mins