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
In organisms, further developments of the zygote depends on.
Identify the following figure and select the correct option
The animals which lay fertilized or unfertilized eggs and whole development takes place outside the body of mother are called
In a practical test, a student has to identify the organisms in which syngamy does not occur. In those organisms the female gamete undergoes development to form new organisms without fertilization. This phenomenon is called $"X"$. Identify the organisms and the phenomenon $"X".$
Development of embryo from the cells of the nucellus is called