1. Biology (10th Standard)_Mrs. Jency Pinheiro

     https://www.youtube.com/watch?v=PGIWMphBUeE

  2. Biology Class – Part 2 (10th Standard)

    https://www.youtube.com/watch?v=nQChqwDcTa8 

  3. Biology (10th Std.) Part 3

    https://www.youtube.com/watch?v=LMDxp7de3ec

  4. Biology Class (10th Standard)Class – 4

    https://www.youtube.com/watch?v=QtdXu4XzDGE