By which method does asexual reproduction occur in fungi like $Mucor$ and $Rhizopus$?

Offspring formed by asexual method of reproduction have greater similarity among themselves because
$(i)$ asexual reproduction involves only one parent
$(ii)$ asexual reproduction does not involve gametes
$(iii)$ asexual reproduction occurs before sexual reproduction
$(iv)$ asexual reproduction occurs after sexual reproduction

In human males,the testes lie in the scrotum,because it helps in the

Explain what happens when:
$(a)$ Testosterone is released in males.
$(b)$ Pollen grain falls on the stigma of the flower.
$(c)$ Egg fuses with sperm cell.
$(d)$ Planaria is cut into many pieces.
$(e)$ Buds are formed on the notches of the Bryophyllum leaf.

Draw labelled diagrams to illustrate budding in Hydra.

State whether the following statement is true or false: The uterus opens into the vagina through the cervix.