Biology
Fill in the blanks:
When an ovum fuses with a sperm outside the body, it is called _________ fertilization.
Related Questions
From the third week of development till the end of the second month of pregnancy, the developing organism is called
- infant
- embryo
- foetus
- zygote
The female sex hormones secreted by the ovaries are
- progesterone and testosterone
- progesterone and oestrogen
- thyroxine and testosterone
- oestrogen and testosterone
Fill in the blanks:
Testes produce male sex hormone called _________.
Fill in the blanks:
Fertilization of the ovum takes place in the _________.