<br /><br />Hello everyone <br /><br />Part 4:-https://youtu.be/-PGs0En_i1E<br /><br />I am here with the class 12 biology ch-2 :-<br /> Sexual reproduction in flowering plants<br /><br />Topics covered in this video are:-<br /> what is pollen grain <br /> structure of pollen grain<br /> difference between vegetative and generative cell<br /><br />#Cbseclass12<br />#class12biology<br />#class12boards<br /><br />Thank you.
