What are female sex cells called?

(a) What are the female sex cells in humans called ? (b) Name the organ which produces female sex cells.

(a) What are the male sex cells in humans called ? (b) Name the organ which produces male sex cells.

The male sex hormone is called

what are the male and female gametes called ?

Which of these plants is correctly matched with its reproductive characteristics ? (i) Sphagnum : Male sex organ called antheridium produce biflagellate antherozoids while the female sex organ called archesporium produces a single egg . (ii) sequoia : One of the megaspores enclosed within the megasporangium develops into a multicellular female gametophyte that bears two or more archegonia or female sex organs (iii) Wolffia : one of the male gametes fuses with the egg cell to from a zygote while the other male gamete fuses with the diploid secondary nucleus to produce the triploid primary endosperm nuclelus . (iv) polysiphonia . Sexual reproduction is oogamous with non-motile gametes and accompanied by complex post-fertilization developments

In bryophytes male and female sex organs are called ....... And ...... .