Human Reproduction

Which of the following hormone is not secreted by human placenta?

Sperm motility is due to $\_\_\_\_$ .

Given below are two statements:
Statement I : Ovulation is caused by LH surge leading to rupture of Graafian follicles.
Statement II: Graafian follicle remaining after ovulation transform into corpus luteum and secretes large amount of estr...

Which of the following struture is not a part of the male reproductive system?

The covering of ovum at ovulation is $\_\_\_\_$ .

Arrange the following cell layers/structures around the female gamete, from outer to inner side :
A. Zona pellucida
B. Perivitelline space
C. Corona radiata
D. Plasma membrane of ovum
Choose the correct answer from the options given below :...

\(\text { Match List I with List II related to embryonic development at various months of pregnancy: }\)
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Spermatogonia undergo a series of cell divisions statements to produce sperms. Select the correct from the following :
A. Spermatogonia always undergo meiotic cell division.
B. Primary spermatocytes divide mitotically to produce secondary s...

Twins are born to a family that lives next door to you. The twins are a boy and a girl. Which of the following must be true?

The first menstruation is called :

Consider the following :
A. The reductive division for the human female gametogenesis starts earlier than that of the male gametogenesis.
B. The gap between the first meiotic division and the second meiotic division is much shorter for male...

Match List-I with List-II.

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Find the correct statement :
(A) In human pregnancy, the major organ systems are formed at the end of 12 weeks.
(B) In human pregnancy the major organ systems are formed at the end of 8 weeks.
(C) In human pregnancy heart is formed after on...

Match List-I with List-II:

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Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: During menstrual cycle, the ovulation takes place approximately on 14th day.
Reason R: Rapid secretion of LH in the middle of...

Arrange the following parts in human Mammary gland, traversing the route of milk ejection.
A. Mammary duct
B. Lactiferous duct
C. Mammary alveolus
D. Ampulla
E. Mammary tubule
Choose the correct answer from the options given below:

Match List-I with List-II relating to human female external genitalia.

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Identify the correct option (A), (B), (C), (D) with respect to spermatogenesis.

Which of the following is not a component of Fallopian tube?

Given below are two statements:
Statement I: The presence or absence of hymen is not a reliable indicator of virginity.
Statement II: The hymen is torn during the first coitus only.
In the light of the above above statements, choose the cor...

Given below are two statements regarding
oogenesis:
Statement I :- The primary follicles get surrounded by more layers of granulosa cells, a theca and shows fluid filled cavity antrum. Now it is called secondary follicle.
Statement II :...

Given below are two statements:
Statement I: Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory
duct.
Statement Il: The cavity of the cervix is called cervical canal which along with vagina forms bi...

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Endometrium is necessary for implantation of blastocyst.
Reason R: In the absence of fertilization, the corpus luteum degene...

Which of the following statements are correct regarding female reproductive cycle?
A. In non-primate mammals cyclical changes during reproduction are called oestrus cycle.
B. First menstrual cycle begins at puberty and is called menopause.
...

Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A): During pregnancy the level of thyroxine is increased in the maternal blood.
Reason (R): Pregnancy is characterised by m...

Arrange the components of mammary gland. (from proximal to distal).
(a) Mammary duct (b) Lactiferous duct
(c) Alveoli (d) Mammary ampulla
(e) Mammary tubules
Choose the most appropriate answer from the options given below :

How many secondary spermatocytes are required to form 400 million spermatozoa?

At which stage of life the oogenesis process is initiated?

Given below are two statements :
Statement I : The release of sperms into the seminiferous tubules is called spermiation.
Statement II : Spermiogenesis is the process of formation of sperms from spermatogonia.
In the light of the above stat...

Which of the following statements are true for spermatogenesis but do not hold true for Oogenesis?
(a) It results in the formation of haploid gametes
(b) Differentiation of gamete occurs after the completion of meiosis
(c) Meiosis occurs co...

Which of the following secretes the hormone, relaxin, during the later phase of pregnancy?

Which of these is not an important component of initiation of parturition in humans?

Receptors for sperm binding in mammals are present on :

Match the following columns and select the
correct option.



Column-I
Column-II




(A) Placenta
(i) Androgens


(B) Zona pellucida
(ii) Human Chorionic
Gonadotropin
(hCG)


(C) Bulbo-urethral
...

Which of the following hormone levels will
cause release of ovum (ovulation) from the
graffian follicle?

Meiotic division of the secondary oocyte is
completed

Extrusion of second polar body from egg nucleus occurs :

Select the correct sequence for transport of sperm cells in male reproductive system :

Match the items given in column I with those in
column II and select the correct option given
below.

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Hormones secreted by the placenta to maintain
pregnancy are

The difference between spermiogenesis and
spermiation is

The amnion of mammalian embryo is derived
from

Capacitation occurs in

Match column I with column II and select the correct option using the codes given below.

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Which of the following depicts the correct pathway of transport of sperms?

Several hormones like hCG, hPL, estrogen, progesterone are produced by

Fertilisation in humans is practically feasible only if

Select the incorrect statement.

Identify the correct statement on 'inhibin'.

Changes in GnRH pulse frequency in females is controlled by circulating levels of