The chemical fertilizer is present in
Ovum
Sperm
Immature ovum
Fertilized ovum
Which of the following is the group of external genitalia in human female?
Which of the following is the endocrine tissue of testes
Vaginal orifice, urethral orifice are open in
Match the following with correct combination
Column $-I$ | Column $-II$ |
$(a)$ Hyaluronidase | $(i)$ Acrosomal reaction |
$(b)$ Corpus luteum | $(ii)$ Morphogenetic movements |
$(c)$ Gastrulation | $(iii)$ Progesterone |
$(d)$ Capacitation | $(iv)$ Mammary gland |
(e) Colostrum | $(v)$ Sperm activation |
The disadvantage of parthenogenesis is