The process of releasing the ripe female gamete from the ovary is called

  • A

    Parturition

  • B

    Ovulation

  • C

    Fertilization

  • D

    Implantation

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Match the columns.

  Column $I$   Column $II$
$(a)$ Mens pubis $(1)$ Embryo development
$(b)$ Antrum  $(2)$ Sperm cell
$(c)$ Trophoblast layer $(3)$  External genitals offemale
$(d)$  Mitochondria $(4)$  Graafian follicle