12th Bio Zoology Q & A Kalvi TV Videos 2021-22 (Part -3)

21. Class 12 |Thadaiyum Vidaiyum| Bio Zoology| Microbes in Human Welfare| Unit 3 | Part 2 | KalviTv

22. Class 12 | Bio Zoology | Applications of Bio Technology| Chapter 9| KalviTv

23. Class12| Thadaiyum vidaiyum | Bio Zoology| Applications of Bio Technology| Lesson 9 | KalviTV

24. Class 12 | Bio Zoology | Zoo organisms and populations | Chapter 10 | Unit 5 | Q & A | KalviTv

25. Class 12 | Bio Zoology | Organics and populations | Unit 5 | Lesson 10 | Q & A | KalviTv

26. Class 12 | Bio zoology | Organisms and populations | Q & A | Part 2 | KalviTv

27. Class 12 | Bio zoology | Bio diversity and its conservation | Part 2 | Q&A | KalviTv

28. Class 12 | Bio-Zoology | Bio diversity and it's conservation | Lesson 11 | Unit 5 | KalviTv