Click the correct answer (True or False).
Click the correct answer.
Which of the following is a viviparous animal?
Hen
Butterfly
Human being
Frog
In humans, the development of embryo takes place in which of the following?
Ovaries
Oviducts
Uterus
None of these
What is the stage when the reproductive organs reach sexual maturity?
Fertilization
Menstruation
Puberty
Menarche
Click the correct answer.
The structure formed by the fusion of a male gamete with a female gamete is called
.
embryo
zygote
placenta
nuclei
gland is called the master gland.
Pituitary
Prostate
Endocrine
Thymus
is not a male reproductive organ.
Testes
Fimbriae
Vas deferens
Penis
Chemical substances secreted by endocrine glands are called
.
hormones
thyroxine
estrogen
testosterone