p -> ii, q ->iii, r ->i, s -> iv

p -> ii, q ->iii, r ->iv, s -> i

p -> iii, q ->ii, r ->i, s -> iv

p -> i, q ->iii, r ->ii, s -> iv

p -> ii, q ->i, r ->iii, s -> iv

p -> ii, q ->i, r ->iv, s -> iii

p -> iii, q ->i, r ->ii, s -> iv

p -> ii, q ->iv, r ->iii, s -> i

MCQ Questions for Class 12 Biology Human Reproduction Quiz 2

The nature male germ cells produce sperms by :

0%
Spermatogenesis
0%
Spermatids
0%
Spermination
0%
None of these

Androgens stimulate the process of?

0%
Body
0%
Head
0%
Tail
0%
Spermatogenesis

The machanism of formation of mature female gamete is:

0%
Spermatogenesis
0%
Acrosome
0%
Semen
0%
Oogenesis

First Menstrual cycle at the time of puberty is called:

0%
Ovum
0%
Sperm
0%
Menses
0%
Menarche

Graafian follice occur:

0%
In humanithyroid
0%
In human female’s ovary
0%
In frog’s ovary
0%
In Rabbits testis

Progesterone hormone is formed by :

0%
Corpus calosum
0%
Corpus uterai
0%
Corpus luteum
0%
Corpus albicans

Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false. Assertion : In a normal delivery, blood loss does not exceed 350 mL. Reason : The uterine blood vessels are constricted during the placental stage.

0%
(a)
0%
(b)
0%
(c)
0%
(d)

Match between the following representing parts of the sperm and their functions and choose the correct option

0%
p -> iii, q ->ii, r ->i, s -> iv
0%
p -> iii, q ->i, r ->iv, s -> ii
0%
p -> iii, q ->ii, r ->iv, s -> i
0%
p -> i, q ->ii, r ->iii, s -> iv

The mother germ cells are transformed into a mature follicle through series of steps

0%
Oogonia ->Primary oocyte -> Primary Follicle ->Secondary Follicle -> Tertiary Follicle ->Graafian Follicle
0%
Primary oocyte -> Oogonia -> Primary Follicle ->Secondary Follicle -> Tertiary Follicle ->Graafian Follicle
0%
Oogonia -> Primary Follicle ->Secondary Follicle -> Tertiary Follicle ->Graafian Follicle-> Primary oocyte
0%
Oogonia ->Primary oocyte -> Graafian Follicle-> Primary Follicle ->Secondary Follicle -> Tertiary Follicle

Match the following

0%
p -> ii, q ->iii, r ->iv, s -> i
0%
p -> ii, q ->iii, r ->i, s -> iv
0%
p -> iii, q ->ii, r ->i, s -> iv
0%
p -> i, q ->iii, r ->ii, s -> iv

Menstrual flow occurs due to the lack of

0%
Progesterone
0%
Oxytocin
0%
Vasopressin
0%
FSH

Match the column

0%
p -> ii, q ->i, r ->iv, s -> iii
0%
p -> iii, q ->i, r ->ii, s -> iv
0%
p -> ii, q ->iv, r ->iii, s -> i
0%
p -> ii, q ->i, r ->iii, s -> iv

Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false. Assertion: The first meiotic division of a primary oocyte forms two secondary oocytes that remain in this stage unless fertilization occurs. Reason : Meiosis I results in two secondary oocytes of equal size and shape.

0%
(a)
0%
(b)
0%
(c)
0%
(d)

Vasa efferentia are the ductules leading from

0%
Testicular lobules to rete testis
0%
Epididymis to urethra
0%
Rete testis to vas deferens
0%
Vas deferens to epididymis

Select the incorrect statement:

0%
FSH stimulates the sertoli cells which help in spermiogenesis
0%
LH triggers ovulation in ovary
0%
LH and FSH decrease gradually during the follicular phase
0%
LH triggers secretion of androgens from the Leydig cells

Which of the following hormone is released by placenta?

0%
FSH
0%
HCG
0%
Relaxin
0%
LH

How many ovum(s) is/are released in one menstruation?

0%
1
0%
2
0%
3
0%
4

Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false. Assertion : It is not necessary that breasts be large in order to nurse an infant. Reason : Breast size does not affect the ability of a woman to nurse breastfeed.

0%
(a)
0%
(b)
0%
(c)
0%
(d)

The part of fallopian tube closest to the ovary is

0%
Isthmus
0%
Infundibulum
0%
Cervix
0%
Ampulla

Read the assertion and reason carefully to mark the correct option out of the options given below: (a) If both the assertion and the reason are true and the reason is a correct explanation of the assertion. (b) If both the assertion and reason are true but the reason is not a correct explanation of the assertion. (c) If the assertion is true but the reason is false. (d) If both the assertion and reason are false. Assertion: The primary sex organs are the structures that produce gametes. Reason : The primary sex organs located within the pelvic cavity and the secondary sex organs are the external genitalia.

0%
(a)
0%
(b)
0%
(c)
0%
(d)