Where are the testes located in human males?

$(a)$ Identify the asexual method of reproduction in each of the following organisms:
$(i)$ Rose
$(ii)$ Yeast
$(iii)$ Planaria
$(b)$ What is fragmentation? Name a multicellular organism which reproduces by this method.

Which unicellular organism reproduces by budding?

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.

Differentiate between the following:
$(a)$ Pollen tube and style.
$(b)$ Bud of Hydra and bud of Bryophyllum.

The correct sequence of reproductive stages seen in flowering plants is