What is the number of chromosomes in a human somatic cell?

In human females,an event that reflects the onset of the reproductive phase is:

$(a)$ Identify the organisms $A$ and $B$ and the mode of asexual reproduction exhibited by them.
$(b)$ How will an organism be benefitted if it reproduces through spores?
$(c)$ Mention the two asexual methods by which Hydra can reproduce. Explain briefly any one such method.

Which part of the plant is the reproductive organ?

Which sex hormone is produced by the testes in males?

Can we find variations in an asexually reproducing organism like bacteria? Write yes or no and give a reason in support of your answer.