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Question

Match column I with column II and select the correct option.
Column IColumn II(a)Placenta(i)Androgens(b)Zona pellucida(ii)Human chorionicgonadotropin (hCG)(c)Bulbourethral glands(iii)Layer of the ovum(d)Leydig cells(iv)Lubrication of the penis

A
(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
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B
(a)-(i), (b)-(iv), (c)-(ii), (d)-(iii)
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C
(a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)
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D
(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
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Solution

The correct option is A (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
(a) Placenta also acts as an endocrine tissue and produces several hormones like human chorionic gonadotropin (hCG), human placental lactogen (hPL), estrogens, progestogens, etc.

(b) Zona pellucida is a thick extracellular coat surrounding the secondary oocyte. The secondary oocyte completes meiosis II and forms the haploid ovum.

(c) The male accessory glands include paired seminal vesicles, a prostate and paired bulbourethral glands. The secretions of bulbourethral glands helps in the lubrication of the male copulatory organ, penis.

(d) Leydig cells or interstitial cells are present in the testis and they synthesise and secrete the male sex hormones (androgens). LH stimulates the Leydig cells to secrete androgens.

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