Write true or false for the statement: The development of the child inside the mother's body takes approximately eleven months.

$(a)$ Give the functions of $(i)$ Stigma $(ii)$ Ovary. $(b)$ State in brief the formation of seed in a flower.

$(a)$ Draw a sectional view of the human female reproductive system and label the parts where:
$(i)$ eggs develop.
$(ii)$ fertilization takes place.
$(iii)$ the fertilized egg gets implanted.
$(b)$ Describe,in brief,the changes the uterus undergoes:
$(i)$ to receive the zygote.
$(ii)$ if the zygote is not formed.

List two functions of the ovary in the human female reproductive system.

Every living organism produces another organism like itself. What is this phenomenon called?

$(a)$ List two reasons for the appearance of variations among the progeny formed by sexual reproduction.
$(b)$ $(i)$ Name the part marked '$A$' in the diagram.
$(ii)$ How does '$A$' reach part '$B$'?
$(iii)$ State the importance of the part '$C$'.
$(iv)$ What happens to the part marked '$D$' after fertilisation is over?