Human Reproduction Test

Question 1
4 / -1

2n=16 is in a primary spermatocyte which is in metaphase of first meiotic division. What shall be the total number of chromatids in each of the secondary spermatocyte?

A
16

B
24

C
32

D
8

Question 2
4 / -1

The second maturation division of the mammalian ovum occurs

A
shortly after ovulation before the ovum makes entry into the Fallopian tube

B
until after the ovum has been penetrated by a sperm

C
until the nucleus of the sperm has fused with that of the ovum

D
in the Graafian follicle following the first maturation division

Question 3
4 / -1

In humans, at the end end of the first meoitic division, the male germ cells differentiate into the

A
Spermatids

B
Spermatogonia

C
Primary spermatocytes

D
Secondary spermatocytes

Question 4
4 / -1

Which of the following options is correct?

A
a

B
b

C
c

D
d

Question 5
4 / -1

Consider the following statements each with two blanks.
(A) Seminiferous tubules produce (i) while Leydig's cells produce (ii).
(B) In females, urethra is small and conducts (iii) while in males it conducts urine and (iv).
(C) The process of formation of spermatozoa from spermatogonia is called (v) and the process of maturation of spermatids into spermatozoa is called (vi).
Which one of the following options, gives the correct fill ups for the respective blank numbers from (i) to (vi) in the statements?

A
(i) -spermatozoa, (ii)-testosterone, (v)-spermatogenesis, (vi)-spermiogenesis

B
(i) -testosterone, (ii)-spermatozoa, (iii)-urine, (iv)-semen

C
(i)-estrogen, (ii)-testosterone, (v)-spermiogenesis, (vi)-spermatogenesis

D
(iii) -urine, (iv)-semen, (v)-spermiogenesis, (vi)-spermatogenesis

Question 6
4 / -1

Given below is an incomplete flow chart showing influence of hormones on gametogenesis in human females. Study it carefully and identify A, B, C and D.

A
a

B
b

C
c

D
d

Question 7
4 / -1

The principal tail piece of human sperm shows the microtubular arrangement of

A
7+2

B
9+2

C
11+2

D
13+2

Question 8
4 / -1

The sperms undergo physiological maturation, acquiring increased motility and fertilizing capacity in

A
seminiferous tubules

B
vasa efferentia

C
epididymis

D
vagina.

Question 9
4 / -1

Which one is released from the ovary?

A
Primary oocyte

B
Secondary oocyte

C
Graafian follicle

D
Oogonium

Question 10
4 / -1

At what stage of life is oogenesis initiated in a humanfemale?

A
At puberty

B
During menarch

C
During menopause

D
During embryonic development

Question 11
4 / -1

The given table shows differences between spermato genesis and spermiogenesis. Select the incorrect option.

A
a

B
b

C
c

D
d

Question 12
4 / -1

The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is

A
spermatogonia → spermatocyte → spermatid → sperms

B
spermatid → spermatocyte → spermatogonia → sperms

C
spermatogonia → spermatid → spermatocyte → sperms

D
spermatocyte → spermatogonia → spermatid → sperms

Question 13
4 / -1

During oogenesis, each diploid , primary oocyte produces

A
four functional sperms

B
two functional eggs and two polar bodies

C
one functional egg and three polar bodies

D
four functional polar bodies.

Question 14
4 / -1

The middle piece of the sperm contains

A
proteins

B
mitochondria

C
centriole

D
nucleus

Question 15
4 / -1

Immediately after ovulation, the mammalian egg is covered by a membrane known as

A
chorion

B
zona pellucida

C
corona radiata

D
vitelline membrane

Question 16
4 / -1

A cross section at the midpoint of the middle piece of a human sperm will show

A
Centriole, mitochondria and 9 +2 arrangement of microtubules

B
Centriole and mitochondria

C
Mitochondria and 9+2 arrangement of microtubules.

D
9+2 arrangement of microtubules only

Question 17
4 / -1

Spermatogenesis is induced by

A
FSH

B
ICSH

C
STH

D
ATH

Question 18
4 / -1

How many sperms are formed from 4 primary spermatocytes?

A
4

B
1

C
16

D
32

Question 19
4 / -1

Which of the following contains the actual genetic part of a sperm?

A
Whole of it

B
Tail

C
Middle piece

D
Head

Question 20
4 / -1

Acrosome is a type of

A
lysosome

B
flagellum

C
ribosome

D
basal body

Submit Test

Human Reproduct...

Question 1

16

24

32

8

Question 2

shortly after ovulation before the ovum makes entry into the Fallopian tube

until after the ovum has been penetrated by a sperm

until the nucleus of the sperm has fused with that of the ovum

in the Graafian follicle following the first maturation division

Question 3

Spermatids

Spermatogonia

Primary spermatocytes

Secondary spermatocytes

Question 4

a

b

c

d

Question 5

(i) -spermatozoa, (ii)-testosterone, (v)-spermatogenesis, (vi)-spermiogenesis

(i) -testosterone, (ii)-spermatozoa, (iii)-urine, (iv)-semen

(i)-estrogen, (ii)-testosterone, (v)-spermiogenesis, (vi)-spermatogenesis

(iii) -urine, (iv)-semen, (v)-spermiogenesis, (vi)-spermatogenesis

Question 6

a

b

c

d

Question 7

7+2

9+2

11+2

13+2

Question 8

seminiferous tubules

vasa efferentia

epididymis

vagina.

Question 9

Primary oocyte

Secondary oocyte

Graafian follicle

Oogonium

Question 10

At puberty

During menarch

During menopause

During embryonic development

Question 11

a

b

c

d

Question 12

spermatogonia → spermatocyte → spermatid → sperms

spermatid → spermatocyte → spermatogonia → sperms

spermatogonia → spermatid → spermatocyte → sperms

spermatocyte → spermatogonia → spermatid → sperms

Question 13

four functional sperms

two functional eggs and two polar bodies

one functional egg and three polar bodies

four functional polar bodies.

Question 14

proteins

mitochondria

centriole

nucleus

Question 15

chorion

zona pellucida

corona radiata

vitelline membrane

Question 16

Centriole, mitochondria and 9 +2 arrangement of microtubules

Centriole and mitochondria

Mitochondria and 9+2 arrangement of microtubules.