$I -$ Sperm,$II -$ Testosterone,$III -$ Relaxin,$IV -$ Ovum,$V -$ Estrogen,$VI -$ Progesterone.
Produced by human males $- P$
Produced by human females $- Q$
$P$ $Q$

  • A
    $I, II, III$ $IV, V, VI$
  • B
    $I, II$ $III, IV, V, VI$
  • C
    $III, IV, V, VI$ $I, II$
  • D
    $IV, V, VI$ $I, II, III$

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Secretion of progesterone by the corpus luteum is initiated by

Match the hormones given in List-$1$ with their functions given in List-$2$.
List-$1$ List-$2$
$(a)$ Oxytocin $(p)$ Stimulates ovulation
$(b)$ Prolactin $(q)$ Maintenance of implantation and pregnancy
$(c)$ Luteinizing hormone $(r)$ Milk secretion after childbirth
$(d)$ Progesterone $(s)$ Uterine contraction during parturition
$(t)$ Reabsorption of water by nephrons

Match the following columns:
Column-$I$Column-$II$
$(1)$ Secretory phase$(a)$ $14^{th}$ day
$(2)$ Ovulation$(b)$ $1-5$ days
$(3)$ Luteal phase$(c)$ $15-28$ days
$(4)$ Menstrual phase$(d)$ $6-13$ days
$(5)$ Follicular phase$(e)$ $15-28$ days

Oestrus cycle is seen in

The changes that occur in females at the onset of puberty are:

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