After culturing the anther of a plant, a few diploid plants were found along with haploid plants. The diploid plants could have arisen from
Generative cell of pollen
Cells of anther wall
Vegetative cell of pollen
Exine of pollen wall
Which of the following are the carriers of male gametes in seed plants ?
Which is correct sentence ?
Choose correct pair :
Identify the events $(A, B, D$ and $E)$ in life of general reproduction
Which is not bisexual animal ?