Which one of the following develops from the trophoblast

  • A

    Placenta

  • B

    Allantois

  • C

    Epidermis of the skin

  • D

    Yolk sac

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  • [NEET 2021]

$A$ : Placenta is connected to the embryo through an umbilical cord which helps in the transport of substance to and from the embryo
$R$ : Placenta acts as an endocrine tissue