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STD 12 - 2. human reproduction — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 12 - 2. human reproduction4 Marks
MCQ
Gametogenesis is the formation of
  • ✓
    Gametes
  • B
    Ova
  • C
    Sperm
  • D
    Organs
✓

Answer

Correct option: A.
Gametes
a
Gametes. The major reproductive events in human beings are as follows $(i)$ Gametogenesis It is the formation of gametes. It includes spermatogenesis (formation of sperms) and oogenesis (formation of ova/eggs) $(ii)$ Insemination It is the transfer of sperms by the male into the genital tract of the female $(iii)$ Fertilization Fusion of male and female gametes to form zygote is called fertilization $(v)$ Implantation It is the attachment of blastocyst to the uterine wall $(vi)$ Placentation It involves the formation of placenta which is the intimate connection between the foetus and uterine wall of the mother to exchange the materials $(vii)$ Gastrulation It is the process by which blastocyst is changed into gastrula with three primary germ layers $(viii)$ Organogenesis It is the formation of specific tissue, organs and organ systems from three primary germ layers $(ix)$ Parturition (child birth) it involves expelling of the baby from the mother's womb (uterus)

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