Testes produce male sex cells called _______.
Ovum
Sperm
Semen
None of these
After fertilisation ___________ is formed.
Zygote
Gamete producing organ is __________.
Gonad
Oviduct
The maternal tissue which nourishes the foetus is __________.
Ovary
Placenta
The muscular organ of man through which urethra passes ________ .
Vagina
Penis
Testes
The common tube carrying urine and sperms is __________.
Scrotum
Urethra
Sperm duct
The chamber in which the foetus develops and stays ___________.
Uterus
The process of fertilisation takes place in the _________.
Gestation period in humans is about __________.
Six weeks
Nine weeks
Nine months
Six months
Adult stage of insect life cycle is ________.
Pupa
Imago
Cocoon