Bentham and hooker classification

 https://youtu.be/JhaoFDwh2HI

Structure of RNA

 https://youtu.be/a2BFsy8t5oM

Meiosis in simple

 https://youtu.be/A3NqWugdQxU

How to draw floral diagram

 https://youtu.be/Mjs47ugVjyc

Protein synthesis

 https://youtu.be/YuUBzWDco_I

Photosynthesis

 https://youtu.be/vJZsNJqtDnw

Respiration

 https://youtu.be/-UlN0Leg5Ho

APG system of classification

 https://youtu.be/Eaun0mIM6po