Self Studies
Self Studies
Self Studies
Self Studies

Human Reproduction Test - 29

Result Self Studies

Human Reproduction Test - 29
  • Score

    -

    out of -
  • Rank

    -

    out of -
TIME Taken - -
Self Studies

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Self Studies Self Studies
Weekly Quiz Competition
  • Question 1
    1 / -0
    The abdominal passage, which connects the abdominal cavity with the scrotal sac in mammals is known as
    Solution
    During development, the testes descend from their starting point on the abdominal wall near the kidney down to the abdomen and through the inguinal canal to reach the scrotum. The inguinal canal is the passage in the anterior abdominal wall which conveys the spermatic cord in males.
    Therefore, the correct answer is option C.
  • Question 2
    1 / -0
    Sperm cells are produced in 
    Solution
    Seminiferous tubules are functional unit of testes where spermatogenesis takes place. The seminiferous tubules are horse-shoe shaped tubules and opens into testis. There are about 600 seminiferous tubules. Each tubules is lined by an epithelium called seminiferous epithelium. It is a complex epithelium consisting of two types of cells as sustentacular cells of Sertoli and spermatogenic cells. Sertoli cells are supportive cells (provide nutrition to the developing sperms) while spermatogenic cells are germ cells.
    Interstitial cells lie between the seminiferous tubules and produces testosterone.
    Therefore, the correct answer is option A.
  • Question 3
    1 / -0
    The seminiferous tubules of the testis are lined by the germinal epithelium consisting of 
    Solution
    The germinal ephithelium is the innermost layer of the testicle and lines the walls of the seminiferous tubule within the testes. This ephethelium is made up of Sertoli's sustentacular cells and the spermatogenic cells, spermatocytes, spermatids, residual boies and acrosome. Thus, the correct answer is option D.
  • Question 4
    1 / -0
    Gubernaculum cord is a contractile structure that 
    Solution
    In males, testes are retroperitoneal structure in posterior abdominal wall. They are attached to the abdominal wall by the gubernaculum. The testis is pulled down by the gubernaculum into the pelvis and develops inguinal canal.
    Once the testes are in the scrotum, it is supported by posterior scrotal wall, a small cod of fibrovascular mesodermal tissue called the gubernaculum.
    Therefore, the correct answer is option D.
  • Question 5
    1 / -0
    There are some special types of cells found in the seminiferous tubules, known as Sertoli cells. These are _____.
    Solution
    • The seminiferous tubules are horse-shoe shaped tubules and opens into testis.
    •  Sertoli cells are supportive cells (provide nutrition to the developing sperms) and also provide protection and nutrition to developing germ cells while spermatogenic cells are germ cells.
    So, the correct answer is option D.
  • Question 6
    1 / -0
    In the male reproductive system, sperms are concentrated in the
    Solution
    Rete testis is the seminiferous tubules that intertwine and join together in a meshwork of existing small ducts.
    Epididymis is one pair of long tightly covered coiled tubes that carries sperm from seminiferous tubules to vas deferens. They serve as areas for final maturation of the spermatozoa. Thus, sperms are concentrated here.
    Vas deferens are the narrow tube that carries sperms from epididymis into the body and towards urethra.
    Seminal vesicle are the male exocrine gland that secretes a fluid in the vas deferens.
    Therefore, the correct answer is option B.
  • Question 7
    1 / -0
    Sertoli cells are found in 
    Solution
    Sertoli cell is one of the cells present in the seminiferous tubule of the testes. It provides nourishment to the developing sperm and hence are called 'nurse' cells. Sertoli cells are developed by the testes-determining factor protein.
    Therefore, the correct answer is option C.
  • Question 8
    1 / -0
    Supporting cells found between the germinal epithelium of testes are called as
    Solution
    Testes are oval-shaped organs which are made of approximately 900 seminiferous tubules and connective tissue called the stromal or interstitial tissue made of Leydig cells (present adjacent to the seminiferous tubules) The seminiferous tubules consist of Sertoli cells along with spermatocytes, spermatozoa, and the spermatids. The Leydig cells secrete the androgens (male sex hormones) and the Sertoli cells are important for the formation of the testis and the spermatogenesis. The Sertoli cells are the nurse cells as they provide nutrition to the developing sperms. Therefore, the correct answer is option B.
  • Question 9
    1 / -0
    The correct sequence of spermatogenetic stages leading to the formation of sperms in a mature human testis is 
    Solution
    Correct option: B

    Explanation:
    Spermatogenetic stages include-
    1. Spermatogonia- undifferentiated mass of male germ cells is called spermatogonia. It undergoes cell division to form spermatozoa, in the wall of a seminiferous tubule.
    2. Spermatocyte- male gametocytes are formed from germ cells. Primary spermatocyte are diploid cell formed by mitosis. and secondary spermatocyte is formed by meiosis 1.
    3. Spermatid- the process of meiosis yields haploid spermatids. These are the main regulators of Sertoli cell.
    4. Sperms-  It is the male gamete or cell, formed by maturation of spermatids.
      Thus, Option B is correct.

  • Question 10
    1 / -0
    Sertoli cells are regulated by a pituitary hormone, known as
    Solution
    Correct option: C

    Explanation:
    • FSH or Follicular stimulating hormone stimulates Sertoli cells of the testes to secrete androgen liming protein that concentrates testosterone in the seminiferous tubules. It is an essential hormone, necessary for maturation of sperms along with LH.
    • Prolactin is also secreted by pituitary gland, it enables milk production and breast development after birth in females.
    • Human growth hormone or GH is secreted by anterior pituitary gland, and regulates growth and metabolism of the body.
    Thus, Option C is correct.
Self Studies
User
Question Analysis

  • Correct -

  • Wrong -

  • Skipped -

My Perfomance
  • Score

    -

    out of -
  • Rank

    -

    out of -
Re-Attempt Weekly Quiz Competition
Self Studies Get latest Exam Updates
& Study Material Alerts!
No, Thanks
Self Studies
Click on Allow to receive notifications
Allow Notification
Self Studies
Self Studies Self Studies
To enable notifications follow this 2 steps:
  • First Click on Secure Icon Self Studies
  • Second click on the toggle icon
Allow Notification
Get latest Exam Updates & FREE Study Material Alerts!
Self Studies ×
Open Now