Human reproduction practice · Mixed difficulty

The human embryo develops from

A boy who has not passed through puberty sustains an injury to his anterior pituitary such that FSH is no longer released, but LH secretion is normal. After he grows to maturity, one would expect that he would

Vaginal orifice, urethral orifice are open in

What stage of the menstrual cycle is characterized by the event labelled A in the figure of previous question?

Release of semen by penis into vagina during copulation (coitus) is called

Choose the correct option to complete the analogy w.r.t. presence of glands. Male reproductive system: Cowper’s glands: : Female reproductive system : __________

Fertilization is

Which secretions are not essential for maturation and motility of sperms

Which one of the following structure of sperm is mismatched?

Blastomeres are daughter cells formed in the process of

Sugar fructose is present in the secretion of

Ceasation of menstrual cycle at the age of 50 is called

Increase in concentration of which hormone determines the time of child birth?

Identify the correct statement(s) from the following
A) Immunologically competent cells in interstitial spaces of testes secrete androgens
B) Sperm formation continues even in old men
C) The process of attachment of sperm heads to the sertoli cells for getting nourishment is known as spermination
D) Vasa efferentia along with duct of seminal vesicle forms an ejaculatory duct

Second meiotic division in ovum leads to the formation of

The part of fallopian tube closest to the ovary is

Correctly matched pairs are:

1. Clitoris: Erectile body in female homologous to glans penis of male

2. Coitus: Sexual intercourse

3. Colostrum: Secretion found in seminal fluid

4. Areola: Pigmented circular area around the nipple

After implantation, finger-like projections on the trophoblast are called …A…. which are surrounded by …B… and maternal blood.
Here A and B refers to

Cauda epididymis lead to

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

The testes in humans are situated outside the abdominal cavity inside a pouch called scrotum. The purpose served is for

First polar body is formed during the formation of ________ and completion of ________ meiotic division.

Assertion: In the testis, spermatogenesis occurs in the seminiferous tubules and testosterone secretion takes place from the sertoli cells.
Reason: Testosterone brings growth and maturation of primany sex organs and also development of accessory sex characters.

In vitro fertilization is a technique that involves transfer of which one of the following into the fallopian tube?

Formation of corpus luteum in induced by

Menstrual cycle occurs due to lack of:

Sertoli’s cells are found in

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.
Choose the most appropriate answer from the options given below:

If both ovaries are removed from the rat, the concentration of which hormone is decreased in blood?

The signals for parturition originates from