- Match the following columns.
Column - I Column - II
A. Hyaluronidase (i) Acrosomal reaction
B. Corpus luteum (ii) Morphogenetic
movements
C. Gastrulation (iii) Progesterone
D. Capacitation (iv) Mammary gland
E. Colostrum (v) Sperm activation
(a) A-(v), B-(ii), C-(iv), D-(i), E-(iii)
(b) A-(i), B-(iii), C-(ii), D-(v), E-(iv)
(c) A-(iii), B-(ii), C-(v), D-(iv), E-(i)
(d) A-(i), B-(ii), C-(iii), D-(iv), E-(v)
- The immature male germ cells undergo division to
produce sperms by the process of spermatogenesis.
Which of the following statements is correct with
reference to above?
(a) Spermatogonia have 46 chromosomes and
always undergo meiotic cell division.
(b) Primary spermatocytes divide by mitotic cell
division.
(c) Secondary spermatocytes have 23 chromosomes
and undergo second meiotic division.
(d) Spermatozoa are transformed into spermatids.
- Acrosomal reaction of the sperm occurs due to
(a) its contact with zona pellucida of the ova
(b) reactions within the uterine environment of the
female
(c) reactions within the epididymal environment of
the male
(d) androgens produced in the uterus.
- In a normal pregnant woman, the amount of total
gonadotropin activity was assessed. The result
expected was
(a) high levels of circulating FSH and LH in the uterus
to stimulate implantation of the embryo
(b) high level of circulating hCG to stimulate
endometrial thickening
(c) high levels of FSH and LH in the uterus to
stimulate endometrial thickening
(d) high level of circulating hCG to stimulate
oestrogen and progesterone synthesis.
- Below is given the unorganized list of some important
events in the human female reproductive cycle. Identify
the correct sequence of these events and select the
correct option.
(i) Secretion of FSH
(ii) Growth of corpus luteum
(iii) Growth of the follicle and oogenesis
(iv) Ovulation
(v) Sudden increase in the levels of LH
(a) (i) → (iv) → (iii) → (v) → (ii)
(b) (ii) → (i) → (iii) → (iv) → (v)
(c) (iii) → (i) → (iv) → (ii) → (v)
(d) (i) → (iii) → (v) → (iv) → (ii)
- Milk secreted from the cells of alveoli of mammary
lobes reaches nipple through lactiferous duct (L),
mammary duct (M), mammary tubule (T) and mammary
ampulla (A) in the following order
(a) T→ M → A → L (b) M → T → L → A
(c) M → T → A → L (d) A → T → M → L.
- Given below is an incomplete flowchart showing
influence of hormones on gametogenesis in human
females. Study it carefully and identify A, B, C and D.
A B C D
(a) FSH LH Ovary Progesterone
(b) GnRH FSH and Ovary Estrogen and
LH progesterone
(c) GnRH FSH Testis Testosterone
(d) LH FSH Testis Testosterone
- A human female is born with a million of eggs (primary
oocytes) at the time of birth, only some 500 eggs get
a chance of maturity. What is the destiny of rest of the
eggs?
(a) Rest of the eggs differentiate back to thecal and
granulosa cells.
(b) Rest of the eggs nurture the dominant follicular
cell.
(c) Rest of the eggs move out of the ovary and are
destroyed by leucocytes.
(d) Rest of the eggs break down and are absorbed
i.e. degenerative follicular atresia.
