T.S. of part of seminiferous tubule of testis showing spermatogenesis
(a) Human reproduce ______________(asexually/sexually)
(b) Humans are ____________ (oviparous, viviparous, ovoviviparous).
(c) Fertilisation is __________ in humans (external/internal).
(d) Male and female gametes are ___________ (diploid/haploid).
(e) Zygote is ____________ (diploid/haploid)
(f) The process of release of ovum from a mature follicle is called __________.
(g) Ovulation is induced by a hormone called __________.
(h) The fusion of male and female gametes is called __________.
(i) Fertilisation takes place in ___________.
(j) Zygote divides to form __________ which is implanted in uterus.
(k) The structure which provides vascular connection between foetus and uterus is called ___________.
What is spermatogenesis? Briefly describe the process of spermatogenesis.
What is menstrual cycle? Which hormones regulate menstrual cycle?