Chapter: Human Reproduction

Match the following columns and select the correct option.

Column I                                               Column II
A. Placenta                                   1. Androgens
B. Zona pellucida                        2. Human Chorinoic Gonadotropin (hCG)
C. Bulbourethral glands            3. Layer of the ovum
D. Leydig cells                             4. Lubrication of the penis

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

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

The shared terminal duct of the reproductive and urinary system in the human male is

The Leydig cells as found in the human body are the secretory source of

If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from

The figure given below depicts a diagrammatic sectional view of the female reproductive system of humans. Which one set of three parts out of A-F have been correctly identified?

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

Sertoli cells are found in

Vasa efferentia are the ductules leading from

Seminal plasma in human males is rich in

The part of Fallopian tube closest to the ovary is

Given below is a diagrammatic sketch of a portion of human male reproductive system. Select the correct set of the names of the parts labelled A, B, C, D.

Bartholin’s glands are situated

Location and secretion of Leydig’s cells are

Select the correct option of haploid cells from the following groups.

Match the following columns and select the correct option from the codes given belows

Column I                                           Column II

1. Ovary                              1. Human chorionic gonadotropin
2. Placenta                          2. oestrogen and progesterone
3. Corpus luteum              3. Androgens
4. Leydig cells                  4. Progesterone only

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

Meiotic division of the secondary oocyte completed

No new follicles develop in the luteal phase of the menstrual cycle because

What is the fate of the male gametes discharged in the synergid?

Extrusion of second polar body from egg nucleus occurs

The difference between spermiogenesis and spermiation is

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

A temporary endocrine gland in the human body is

Select the incorrect statement.

Identify the correct statement on ‘inhibin’.

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

Which of the following layers in an antral follicle is acellular?

Which of the following events in not associated with ovulation in human female?

The main function of mammalian corpus luteum is to produce

What is the correct sequence of sperm formation?

Menstrual flow occurs due to lack of

Which one of the following statements is false in respect of viability of mammalian sperm?

Which one of the following statements about human sperm is correct?

Which one of the following is the most likely reason of not occurring regular menstruation cycle in females?

Which one of the following is the correct matching of the events occurring during menstrual cycle?

Which one of the following statement is incorrect about menstruation?

At the end of first meiotic division, male germ cell differentiates into

Which part of ovary in mammals acts as an endocrine gland after ovulation?

If mammalian ovum fails to get fertilised, which one of the following is unlikely?

Ovulation in the human female normally takes place during the menstrual cycle

Which set is similar?

Middle piece of mammalian sperm possesses

After ovulation, Graafian follicle regresses into

In 28 days human ovarian cycle, ovulation occurs on

Fertilisins are emitted by

Human eggs are

Ovulation occurs under the influence of

In telolecithal egg the yolk is found

Freshly released human egg has

Egg is liberated from ovary in

There is no DNA in

Receptors for sperm binding in mammals are present on

Capacitation occurs in

Fertilisation in humans is practically feasible only if

Ectopic pregnancies are referred to as

In human females, meiosis-II is not completed until

Select the correct option describing gonadotropin activity in a normal pregnant female

Which one of the following statements about morula in humans is correct?

A change in the amount of yolk and its distribution in the egg will affect.

Gray crescent is the area

What is true for cleavage?

Cleavage in mammalian egg is

Blastopore is

What is true about cleavage in fertilised egg of human?

Acrosome reaction in sperm is triggered by

Extrusion of second polar body from egg nucleus occurs

Termination of gastrulation is indicated by

Meroblastic cleavage is a type of division

During cleavage, what is true about cells?

How many sperms are formed from a secondary spermatocyte?

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?

In human beings, at the end of 12 weeks (first trimester) of pregnancy, the following is observed.

Select the correct sequence of events

Which of the following hormones is responsible for both the milk ejection reflex and the foetal ejection reflex?

Colostrum, the yellowish fluid, secreted by mother during the initial days of lactation is veryessential to impart immunity to the new born infants because it contains

The amnion of mammalian embryo is derived from

Hormones secreted by the placenta to maintain pregnancy are

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

Column I                                   Column II
A. Mons pubis                      1. Embryo formation
B. Antrum                             2. Sperm
C. Trophecto derm              3. Female external genitalia
D. Nebenkern                       4. Graafian follicle

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

Which one of the following is not the function of placenta? It

Signals for parturition originate from

The first movements of the foetus and appearance of hair on its head are usually observed during which month of pregancy?

Which extra-embryonic membrane in humans prevents desiccation of the embryo inside the uterus?

During embryonic development, the establishment of polarity along anterior/ posterior, dorsal/ventral or medial/lateral axis is called

Extra-embryonic membranes of the mammalian embryo are derived from

Gonads develop from embryonic

Cells become variable in morphology and function in different regions of the embryo. The process is