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Reproduction - 3

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Which of the following is/are not associated with the human male reproductive system?

  1. Bulbourethral glands

  2. Prostate gland

  3. Bartholin glands

  4. Seminal vesicles


Correct Option: C
Explanation:

    The Bartholin's glands (also called Bartholin glands or greater vestibular glands) are two pea sized compound racemose glands located slightly posterior and to the left and right of the opening of the vagina

In the human ovary, corpus luteum is responsible for

  1. milk production

  2. ovulation

  3. child birth

  4. retention of pregnancy


Correct Option: D
Explanation:

Corpus luteum secretes two pregnancy hormones: progesterone and relaxin.

Which of the following is the most anteriorly placed structure in the female perineum?

  1. Mons pubis

  2. Vaginal orifice

  3. Inner lips

  4. Clitoris


Correct Option: A
Explanation:

It is the soft mound of flesh raised above the genitals by a pad of fat under the skin that protects the pubic bone.

Which placenta is found in guinea pigs and rats?

  1. Endotheliochorial placentation

  2. Epitheliochorial placentation

  3. Hemochorial placentation

  4. Monochorionic placentation


Correct Option: C
Explanation:

This type of placenta is found in humans beings, guinea pigs, rabbits, mice and rats.

The sterility of a female calf with embryonic development along with a male due to the action of male hormone is called

  1. neonate

  2. cleidoic

  3. freemartin

  4. infertility


Correct Option: C
Explanation:

It means sterility of a female calf.

Which of the following hormones attains a peak level in the middle of the menstrual cycle (around the 14th day)?

  1. LH

  2. Progesterone

  3. Oxytocin

  4. GNRH


Correct Option: A
Explanation:

Luteinising hormone is responsible for ovulation and its level is at peak on the 14th day of the menstrual cycle.

Clupein protein is found in

  1. human sperms

  2. aviam sperms

  3. human ova

  4. avian ova


Correct Option: A
Explanation:

Human sperms contain clupein protein.

In which of the following stages of vaginal birth does the head of embryo turn through 45 degrees?

  1. Internal rotation

  2. Delivery by extension

  3. Restitution

  4. External rotation


Correct Option: C
Explanation:

The head of embryo turns through 45 degrees to mend its normal relationship with the shoulders, which are still at some angle.

Trophoblast cells in contact with embryonal knob are called

  1. embryonal discs

  2. cells of rauber

  3. cytotrophoblasts

  4. chorionic villi


Correct Option: B
Explanation:

Trophoblast cells in contact with embryonal knob are called cells of rauber.

The females of placental mammals exhibit cyclical changes in the activities of ovaries and accessory ducts as well as hormones during the reproductive phase. What is this process called in non-primate mammals?

  1. Menstrual cycle

  2. Cell cycle

  3. Oestrus cycle

  4. Menarche


Correct Option: C
Explanation:

The cyclical changes during the reproductive phase in non-primates, such as cows, dogs, etc. is known as oestrus cycle.

Estradiol is secreted by

  1. theca interna

  2. theca externa

  3. primary follicle

  4. graffian follicle


Correct Option: D
Explanation:

 As the follicle ripens, it increases in size to form graffian follicle. 

In mammals, decidua basalis is a part of

  1. endometrium

  2. allantois

  3. chorion

  4. placenta


Correct Option: D
Explanation:

In mammals, decidua basalis is a part of placenta. 

If the inguinal canal fails to close, it will lead to

  1. testicular swelling

  2. hernia

  3. cryptorchidism

  4. impotency


Correct Option: B
Explanation:

A portion of the intestine pushes through the inguinal canal. This region is a weak spot. It leads to hernia.

Which of the following events is affected by the presence and distribution of yolk in the egg?

  1. Pattern of cleavage

  2. Formation of zygote

  3. Number of blastomeres

  4. Fertilisation


Correct Option: A
Explanation:

This is affected by the presence of yolk in the egg.

What are the cysts containing sticky gel-like substance in an ovary called?

  1. Endometriomas

  2. Cystadenomas

  3. Dermoid

  4. Polycystic


Correct Option: B
Explanation:

These cysts form from cells on the outer surface of the ovary. 

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