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NEET2020ZoologyHuman ReproductionActual

Match the following columns and select the correct option. Column-I Column-II (a) Placenta (i) Androgens (b) Zona pellucida (ii) Human Chorionic Gonadotropin (hCG) (c) Bulbourethral glands (iii) Layer of the ovum (d) Leydig cells (iv) Lubrication of the Penis

Options

  1. A(a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)
  2. B(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
  3. C(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
  4. D(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)

Correct answer

C. (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)

Step-by-step solution

Structure Characteristics/Function Placenta The placenta is connected to the embryo through an umbilical cord which helps in the transport of substances to and fro from the embryo. Placenta also acts as an endocrine tissue and produces several hormone-like human chorionic gonadotropin (hCG), placental lactogen (hPL), estrogens, progestogens, etc. Zona pellucida The secondary oocyte has a new membrane called Zona pellucida surrounding it. This thick coat of zona pellucida is composed of glycoproteins and synthesized

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