Female reproductive system Questions in English

(D) The $Mullerian$ duct (also known as the paramesonephric duct) is an embryonic structure that develops into the female reproductive tract in mammals. In females,these ducts differentiate to form the fallopian tubes (oviducts),the uterus,the cervix,and the upper part of the vagina. In males,these ducts regress due to the presence of Anti-$Mullerian$ Hormone $(AMH)$. Therefore,the correct option is $D$.

(C) The correct answer is $C$.
$1$. The mammary gland contains clusters of cells called alveoli,which secrete milk. This statement is correct.
$2$. The uterus is also known as the womb. This statement is correct.
$3$. The oviduct (Fallopian tube) consists of three parts: infundibulum,ampulla,and isthmus. The infundibulum is the part closer to the ovary,the ampulla is the wider middle part,and the isthmus is the narrow terminal part joining the uterus. Therefore,calling the terminal part the ampulla is incorrect.
$4$. The stroma of the ovary is divided into two zones: a peripheral cortex and an inner medulla. This statement is correct.

(D) In the human reproductive system,homologous organs are those that share a common embryonic origin.
The prostate gland in males is homologous to the Skene's glands (also known as paraurethral glands) in females.
Since Skene's glands are not listed among the options provided,the correct answer is $D$ (None of the above).
Note: Bartholin's glands are homologous to the bulbourethral glands in males.

(C) : Hysterectomy is the surgical removal of the uterus. It may also involve the removal of the cervix,ovaries,Fallopian tubes,and other surrounding structures.

(B) The correct answer is $(b)$.
Each Fallopian tube is about $10-12 \ cm$ long and extends from the periphery of each ovary to the uterus.
The part closer to the ovary is the funnel-shaped infundibulum.
The edges of the infundibulum possess finger-like projections called fimbriae,which help in the collection of the ovum after ovulation.
The infundibulum leads to a wider part of the oviduct called the ampulla.
The last part of the oviduct,the isthmus,has a narrow lumen and it joins the uterus.

(B) The $Isthmus$ is the narrow,proximal part of the fallopian tube that joins the uterus.
It is one of the four main parts of the fallopian tube,which are the infundibulum,ampulla,isthmus,and uterine part.
Therefore,the correct option is $B$.

(C) Statement $X$ is correct: The female accessory ducts consist of the oviducts (fallopian tubes),uterus,and vagina.
Statement $Y$ is incorrect: The male sex accessory ducts include the rete testis,vasa efferentia,epididymis,and vas deferens. The rete testis is an internal duct system,not an external genital organ. The external genitalia in males is the penis.

(D) The external genitalia of the human female,collectively known as the vulva,consist of the following structures:
$1$. Mons pubis: $A$ cushion of fatty tissue covered by skin and pubic hair.
$2$. Labia majora: Fleshy folds of tissue which extend down from the mons pubis and surround the vaginal opening.
$3$. Labia minora: Paired folds of tissue under the labia majora.
$4$. Clitoris: $A$ tiny finger-like structure which lies at the upper junction of the two labia minora above the urethral opening.
$5$. Hymen: $A$ membrane that partially covers the vaginal opening.
Therefore,the group consisting of labium minora,labium majora,and clitoris represents the external genitalia.

(A) The mammary glands are paired structures (breasts) that contain glandular tissue and variable amounts of fat.
Each breast contains $15-20$ mammary lobes containing clusters of cells called alveoli.
The cells of alveoli secrete milk,which is stored in the cavities (lumens) of alveoli.
The alveoli open into mammary tubules.
The tubules of each lobe join to form a mammary duct.
Several mammary ducts join to form a wider mammary ampulla,which is connected to the lactiferous duct through which milk is sucked out.
Therefore,the correct sequence is: Mammary lobe $\rightarrow$ Mammary alveolus $\rightarrow$ Mammary duct $\rightarrow$ Mammary ampulla $\rightarrow$ Lactiferous duct.

(C) The uterus is composed of three layers of tissue: the perimetrium (outer layer),the myometrium (middle layer),and the endometrium (inner layer).
The endometrium is the glandular,mucosal lining of the uterus that undergoes cyclic changes during the menstrual cycle in response to ovarian hormones.
Therefore,the correct option is $C$.

(C) The ovaries are the primary female sex organs that produce the female gamete (ovum) and several steroid hormones (ovarian hormones).
Each ovary is about $2$ to $4 \text{ cm}$ in length and is connected to the pelvic wall and uterus by ligaments.
These ligaments provide structural support and hold the ovaries in their anatomical position within the pelvic cavity.
Therefore,the correct option is $C$.

(A) The uterus opens into the vagina through a narrow neck called the cervix. The cavity of the cervix is called the cervical canal which,along with the vagina,forms the birth canal.

(C) The fallopian tube (oviduct) consists of three main parts: the infundibulum,the ampulla,and the isthmus.
$1$. The infundibulum is the funnel-shaped part closest to the ovary.
$2$. It possesses finger-like projections called fimbriae,which help in the collection of the ovum after ovulation.
$3$. Therefore,the infundibulum is the part of the fallopian tube closest to the ovary.

(C) The ovaries are the primary female reproductive organs responsible for the production of steroid hormones,specifically estrogen and progesterone.
If both ovaries (oophorectomy) are removed,the primary source of estrogen production is eliminated.
Consequently,the circulating levels of estrogen in the blood will significantly decrease.
Oxytocin and prolactin are primarily produced by the pituitary gland,and gonadotropin-releasing hormone $(GnRH)$ is produced by the hypothalamus,so their levels are not directly dependent on the presence of the ovaries.

(B) The correct matching is as follows:
$(a)$ Endometrium: It is the innermost glandular layer of the uterus where the fertilised ovum is implanted $(a-r)$.
$(b)$ Myometrium: It is the middle thick layer of smooth muscle that exhibits strong contractions during delivery of the baby $(b-s)$.
$(c)$ Fimbriae: These are finger-like projections present at the edges of the infundibulum which help in the collection of the ovum after ovulation $(c-q)$.
$(d)$ Perimetrium: It is the thin,most external membranous layer of the uterus $(d-p)$.
Therefore,the correct sequence is $a-r, b-s, c-q, d-p$.

(B) The female reproductive system includes a pair of $Fallopian$ tubes (also known as oviducts).
Each $Fallopian$ tube is approximately $10-12 \ cm$ long and extends from the periphery of each ovary to the uterus.
The part closer to the ovary is the funnel-shaped $infundibulum$.
The edges of the $infundibulum$ possess finger-like projections called $fimbriae$,which help in the collection of the ovum after ovulation.
The $infundibulum$ leads to a wider part of the oviduct called the $ampulla$.
The last part of the $Fallopian$ tube is the $isthmus$,which has a narrow lumen and joins the uterus.
Therefore,$Isthmus$,$Ampulla$,and $fimbriae$ are parts of the $Fallopian$ tube.

(D) The relationship provided is an analogy based on anatomical components.
An $Isthmus$ is a specific part or region of the $Fallopian \text{ tube}$.
Similarly, a $Mammary \text{ lobe}$ is a specific structural component or region of the $Mammary \text{ gland}$.
Therefore, the correct option is $D$.

(A) Bartholin's glands,also known as greater vestibular glands,are two pea-sized compound alveolar glands located slightly posterior and to the left and right of the opening of the vagina in human females. They secrete mucus to provide lubrication for the vulva.

(C) The $Clitoris$ is a female reproductive organ that is homologous to the $penis$ in males,meaning they share a common embryonic origin.
However,the $Clitoris$ is not a 'remnant' of the $penis$; rather,both develop from the same genital tubercle.
The Assertion is correct because the $Clitoris$ is a distinct organ,not a vestigial or remnant structure of the male $penis$.
The Reason is also correct because the $Clitoris$ is composed of erectile tissue and possesses a rich blood supply,similar to the $penis$,which allows it to become engorged during sexual arousal.
Therefore,both statements are correct,but the Reason does not explain why the $Clitoris$ is not a remnant of the $penis$.

(N/A) The female reproductive system consists of the following main parts:
$1$. Ovaries: Primary female sex organs that produce the ovum and ovarian hormones.
$2$. Oviducts (Fallopian tubes): These transport the ovum from the ovary to the uterus.
$3$. Uterus: $A$ pear-shaped organ where the fetus develops.
$4$. Cervix: The narrow neck of the uterus that opens into the vagina.
$5$. Vagina: The birth canal that receives the sperm and serves as the exit for the fetus.
$6$. Uterine Wall: Composed of three layers: Perimetrium (outer),Myometrium (middle),and Endometrium (inner).

The ovary is the primary female sex organ that produces the female gamete (ovum) and several steroid hormones. $A$ transverse section of the ovary reveals various developmental stages of ovarian follicles,including primary follicles,tertiary follicles (characterized by a fluid-filled cavity called the antrum),and the mature Graafian follicle. The ovary is divided into an outer cortex and an inner medulla. After ovulation,the ruptured Graafian follicle transforms into a temporary endocrine structure called the corpus luteum,which secretes progesterone. The diagram illustrates these key components: the germinal epithelium,the developing follicles,the antrum,the ovum being released,and the corpus luteum.

(N/A) The female reproductive system is located in the pelvic region. It consists of a pair of ovaries,a pair of oviducts (fallopian tubes),the uterus,the cervix,the vagina,and the external genitalia.
These components,along with a pair of mammary glands,are integrated both structurally and functionally to support the processes of ovulation,fertilization,pregnancy,childbirth,and child care.

(N/A) The ovaries are located one on each side of the lower abdomen.
They are attached to the pelvic wall and uterus by ligaments.
Each ovary is a primary female sex organ,almond-shaped,and measures about $2-4 \text{ cm}$ in length,$2 \text{ cm}$ in width,and $1 \text{ cm}$ in thickness.
Each ovary possesses a $Hilus$,which serves as the point of entry for blood vessels and nerves.
Each ovary is covered by a thin epithelium that encloses the ovarian stroma.
The stroma is divided into two zones: a peripheral $Cortex$ and an inner $Medulla$.

(N/A) The oviducts,uterus,and vagina constitute the female accessory ducts.
Each fallopian tube is about $10-12 \ cm$ long and extends from the periphery of each ovary to the uterus.
The part closer to the ovary is the funnel-shaped infundibulum.
The edges of the infundibulum possess finger-like projections called fimbriae,which help in the collection of the ovum after ovulation.
The infundibulum leads to a wider part of the oviduct called the ampulla.
The last part of the oviduct,the isthmus,has a narrow lumen and it joins the uterus.

(N/A) $\Rightarrow$ The uterus is a single organ,also known as the womb.
$\Rightarrow$ The shape of the uterus is like an inverted pear.
- It is supported by ligaments attached to the pelvic wall.
- The uterus opens into the vagina through a narrow cervix. The cavity of the cervix is called the cervical canal,which,along with the vagina,forms the birth canal.
- Wall of the uterus: The wall of the uterus consists of three layers of tissue:
$1$. Perimetrium: The external thin membranous layer.
$2$. Myometrium: The middle thick layer of smooth muscle.
$3$. Endometrium: The inner glandular layer that lines the uterine cavity.
- The endometrium undergoes cyclical changes during the menstrual cycle,while the myometrium exhibits strong contractions during the delivery of the baby.

(A) The female external genitalia includes $Mons \text{ } pubis$, $labia \text{ } majora$, $labia \text{ } minora$, $hymen$, and $clitoris$.
$1$. $Mons \text{ } pubis$ is a cushion of fatty tissue covered by skin and pubic hair.
$2$. The $labia \text{ } majora$ are fleshy folds of tissue, which extend down from the $mons \text{ } pubis$ and surround the vaginal opening.
$3$. The $labia \text{ } minora$ are paired folds of tissue under the $labia \text{ } majora$.
$4$. The opening of the vagina is often covered partially by a membrane called the $hymen$.
$5$. The $hymen$ is often torn during the first coitus. However, it can also be broken by a sudden fall or jolt, insertion of a vaginal tampon, or active participation in some sports like horseback riding, cycling, etc. In some women, the $hymen$ persists even after coitus. In fact, the presence or absence of the $hymen$ is not a reliable indicator of virginity or sexual experience.
$6$. The $clitoris$ is a tiny finger-like structure which lies at the upper junction of the two $labia \text{ } minora$ above the urethral opening.

(N/A) $(1)$ Prostate gland: It is a single gland located at the base of the urinary bladder in males. Its secretion is alkaline and helps in the activation and nourishment of sperms.
$\Rightarrow$ Bulbourethral gland: These are paired glands located below the prostate gland on the lateral sides of the urethra. Their secretion helps in the lubrication of the penis during coitus.
$(2)$ Ovary: It is the primary female sex organ located on both sides of the uterus. It is responsible for the production of the ovum and the secretion of female sex hormones like estrogen and progesterone.
$\rightarrow$ Ovarian follicle: These are the structural and functional units of the ovary. They represent different stages of development of the tissues surrounding the oocyte (egg cell) within the ovary.

(N/A) The mammary glands are paired structures (breasts) that contain glandular tissue and variable amounts of fat.
$1$. The glandular tissue of each breast is divided into $15-20$ mammary lobes containing clusters of cells called alveoli.
$2$. The cells of alveoli secrete milk,which is stored in the cavities (lumens) of alveoli.
$3$. The alveoli open into mammary tubules. The tubules of each lobe join to form a mammary duct.
$4$. Several mammary ducts join to form a wider mammary ampulla,which is connected to the lactiferous duct through which milk is sucked out.
$5$. The pathway of milk secretion is: Alveoli $\rightarrow$ Mammary tubules $\rightarrow$ Mammary duct $\rightarrow$ Mammary ampulla $\rightarrow$ Lactiferous duct $\rightarrow$ Nipple.

(N/A) $(1)$ Oviduct (Fallopian tube): The oviduct is the tube that transports the ovum from the ovary to the uterus.
Infundibulum: It is the funnel-shaped part of the oviduct closest to the ovary,which possesses finger-like projections called fimbriae that help in the collection of the ovum after ovulation.
$(2)$ Endometrium: It is the innermost glandular layer of the uterine wall where implantation of the embryo occurs. It undergoes cyclic changes during the menstrual cycle and is shed if pregnancy does not occur.
Myometrium: It is the thick middle layer of the uterine wall,composed of smooth muscle tissue. It exhibits strong contractions during parturition (childbirth) to facilitate the delivery of the fetus.

(N/A) $(1)$ Labia: These are the external female genitalia. They consist of the labia majora and labia minora,which protect the vaginal and urethral openings.
- Clitoris: It is a small,sensitive,finger-like structure located at the upper junction of the two labia minora above the urethral opening. It contains erectile tissue and is homologous to the male penis.
$(2)$ Somatic cells: These are the body cells that form the tissues and organs of an organism. They contain a diploid $(2n)$ number of chromosomes and divide by mitosis.
- Germ cells: These are specialized cells responsible for sexual reproduction. They undergo meiosis to produce haploid $(n)$ gametes,which carry hereditary information to the next generation.

(C) The cervix is the lower,narrow portion of the uterus that opens into the vagina.
Its primary roles include:
$(i)$ It acts as a passage for sperm to enter the uterus.
$(ii)$ It produces cervical mucus,which changes consistency during the menstrual cycle to either facilitate or block sperm entry.
$(iii)$ During pregnancy,it remains tightly closed to protect the fetus.
$(iv)$ During childbirth,it dilates to allow the fetus to pass through the birth canal.

(A) $(A) = \text{Fertilisation}$,$(B) = \text{Uterus}$.
The female reproductive system consists of a pair of ovaries,a pair of oviducts (Fallopian tubes),the uterus,the vagina,external genitalia,and mammary glands.
Ovaries perform functions such as the production of the ovum (oogenesis) and the secretion of female sex hormones (estrogen and progesterone).
The oviduct (Fallopian tube) transports the ovum from the ovary to the uterus and serves as the site for fertilization.
The uterus is an inverted pear-shaped organ that provides the necessary environment for the development of the embryo during pregnancy.
The vagina serves as the birth canal during delivery,receives the penis during coitus,and allows for the passage of menstrual flow.

(N/A) The female reproductive system consists of the ovaries,a pair of oviducts (Fallopian tubes),uterus,cervix,vagina,and the external genitalia.
$(a)$ Production of gamete: The ovaries are the primary female sex organs that produce the female gamete (ovum).
$(b)$ Site of fertilisation: The ampulla region of the Fallopian tube is the site where fertilisation occurs.
$(c)$ Site of implantation: The uterus (specifically the endometrium lining) is the site where the embryo gets implanted.
$(d)$ Birth canal: The birth canal is formed by the cervical canal along with the vagina.

(C) In the female reproductive system,the mammary glands are considered accessory reproductive glands.
They are functional structures that produce milk (lactation) to nourish the offspring,which is a critical part of the reproductive process in mammals.
Prostate and seminal vesicles are accessory reproductive glands found in the male reproductive system,not the female.

(D) The ovaries are the primary female sex organs.
They are located one on each side of the lower abdomen.
Each ovary is about $2$ to $4 \text{ cm}$ in length and is connected to the pelvic wall and the uterus by ligaments.
These ligaments provide structural support and maintain the position of the ovaries within the pelvic cavity.

(A) The fallopian tube (oviduct) is a part of the female reproductive system.
Each fallopian tube is approximately $10-12 \, cm$ long and extends from the periphery of each ovary to the uterus.

(B) The female reproductive system includes a pair of fallopian tubes.
Each fallopian tube is divided into three parts: infundibulum,ampulla,and isthmus.
The part closer to the ovary is the funnel-shaped infundibulum.
The edges of the infundibulum possess finger-like projections called fimbriae,which help in the collection of the ovum after ovulation.

(C) The fallopian tube (oviduct) consists of three main parts: the infundibulum,the ampulla,and the isthmus.
$1$. The infundibulum is the funnel-shaped part closest to the ovary,possessing finger-like projections called fimbriae.
$2$. The ampulla is the wider,middle part of the fallopian tube.
$3$. The isthmus is the last,narrow part of the fallopian tube that joins the uterus.
Therefore,the isthmus is the part that connects to the uterus.

(A) The uterus has three layers of tissue: the outer perimetrium,the middle myometrium,and the inner endometrium.
$1$. The $Perimetrium$ is the thin,outer membranous layer.
$2$. The $Myometrium$ is the thick layer of smooth muscle that exhibits strong contractions during delivery.
$3$. The $Endometrium$ is the glandular,inner lining of the uterus. This layer undergoes significant cyclical changes during the menstrual cycle,including proliferation and shedding (bleeding) if fertilization does not occur. Therefore,the endometrium is the layer that sheds.

(A) The $hymen$ is a thin,mucous membrane that partially covers the opening of the vagina. It is considered a part of the female external genitalia. It is a common misconception that the presence or absence of the $hymen$ is a reliable indicator of virginity or sexual experience,as it can be torn or stretched due to various activities such as sports,cycling,or the use of tampons.

(C) vaginal tampon is a mass of absorbent material,typically cotton or rayon,designed to be inserted into the vagina during menstruation to absorb menstrual flow. It is a feminine hygiene product,not a biological structure like the hymen or the vaginal wall.

(A) The milk produced by the cells of alveoli of mammary glands is secreted into the lumen of alveoli.
$1$. The alveoli open into mammary tubules.
$2$. The tubules of each lobe join to form a mammary duct.
$3$. Several mammary ducts join to form a wider mammary ampulla,which is connected to the lactiferous duct through which milk is sucked out.
Therefore,the correct sequence is: Alveoli $\rightarrow$ Mammary tubules $\rightarrow$ Mammary ducts $\rightarrow$ Mammary ampulla $\rightarrow$ Lactiferous duct $\rightarrow$ Nipple.

(D) The primary female reproductive organs are the ovaries.
They perform two main functions:
$1$. Production of the female gamete (ovum).
$2$. Secretion of steroid hormones (estrogen and progesterone).
Other structures like the uterus,vagina,and oviduct are considered accessory reproductive organs.

(B) In humans,the primary sexual organs are the gonads (ovaries in females and testes in males) which produce gametes and sex hormones.
Secondary sexual characters are the physical features that distinguish the two sexes of a species but are not directly part of the reproductive system.
Mammary glands are considered secondary sexual characters in females as they develop during puberty and are characteristic of the female sex,although they are accessory organs for reproduction.

(A) The correct answer is $A$. The fallopian tube (oviduct) consists of three parts: infundibulum,ampulla,and isthmus. The infundibulum is the funnel-shaped part closer to the ovary,the ampulla is the wider middle part,and the isthmus is the narrow part that joins the uterus. Therefore,the statement that the distal part is the ampulla is incorrect; the distal part (closest to the ovary) is the infundibulum.

(B) In the provided diagram of the female reproductive system:
- $(A)$ represents the Ampulla,which is the site of fertilization,not implantation.
- $(B)$ represents the Fimbriae,which are finger-like projections at the end of the fallopian tube that collect the ovum after ovulation.
- $(C)$ represents the Endometrium,not the Myometrium. The Endometrium is the layer that sheds during menstrual bleeding.
- $(D)$ represents the Ovary,which produces ova and steroid hormones,not $HCG$ (which is secreted by the placenta).
Therefore,the correct statement is that Fimbriae collect ova.

(C) Assertion is true because mammary glands are classified as apocrine glands.
Reason is false because in apocrine glands,only the apical portion of the cytoplasm is discharged along with the secretory product,not the whole cell. The destruction of the whole cell is characteristic of holocrine glands (e.g.,sebaceous glands).

(B) Estrogen is primarily synthesized and secreted by the growing ovarian follicles,specifically the Graafian follicle $(A)$.
After ovulation,the remaining parts of the Graafian follicle transform into a temporary endocrine structure known as the corpus luteum $(B)$.
The corpus luteum primarily secretes large amounts of progesterone $(C)$,which is essential for maintaining the endometrium for potential implantation.

(B) The external genitalia of the human female are collectively referred to as the vulva.
These structures include the labia majora (large,fleshy folds of tissue) and the labia minora (smaller folds located within the labia majora).
The clitoris is a tiny,finger-like structure that lies at the upper junction of the two labia minora above the urethral opening.
Therefore,the group consisting of labia minora,labia majora,and clitoris constitutes the external genitalia.

(B) The part of the Fallopian tubes (oviducts) closer to the ovary is the funnel-shaped infundibulum.
The edges of the infundibulum possess finger-like projections called fimbriae.
These fimbriae help in the collection of the ovum after ovulation from the surface of the ovary.