Where are the female germ cells located in a flower?

Vegetative propagation refers to the formation of new plants from

Reproduction is essential for living organisms in order to

Which among the following is not the function of testes at puberty?
$(i)$ formation of germ cells
$(ii)$ secretion of testosterone
$(iii)$ development of placenta
$(iv)$ secretion of estrogen

What is the process of release of an ovum from the ovary called?

$(a)$ List any two methods of asexual reproduction.
$(b)$ Explain how $Spirogyra$ reproduces.