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प्रश्न
Spot the odd one out from the following structures with reference to the male reproductive system.
विकल्प
Isthmus
Vasa efferentia
Rete testis
Epididymis
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उत्तर
Isthmus
Explanation:
Rete testis, vasa efferentia, and epididymis are all parts of the male reproductive duct system involved in sperm transport within the male reproductive system. The isthmus, however, refers to a part usually associated with the female reproductive tract (part of the fallopian tube) and is not part of the male reproductive system ducts.
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संबंधित प्रश्न
Write the location and function of the Sertoli cells in humans.
Choose the ODD one out of the following terms given and name the CATEGORY to which the others belong:
ACTH, TSH, ADH, FSH
Give appropriate biological/technical terms for the following:
The accessory gland in human males whose secretion activates the
sperms.
Differentiate between the Tubectomy and Vasectomy (Part cut and tied)
Draw a labelled diagram of L.S. of human testis.
Given alongside is a diagram of male reproductive system in humans. Label the parts indicated by numbers 1 to 5, and state their functions.
Differentiate between primary and accessory reproductive organs.
Explain the term Gametogenesis.
Explain the term Androgens.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Cowper’s gland opens into the urethra.
Find an odd one out.
Write the functions of penis
Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.
______ highly coiled seminiferous tubules are present in each testicular lobule.
The ________ secrete testosterone after puberty.
Fructose is found in secretion of ______.
Failure of testes to descend from abdomen into scrotum leads to ______.
The ______ lead to vas deferens that ascends to the ______ and loops over the ______.
Increased secretion of which hormone start the process of sperm formation at the time of puberty?
Ejaculation of human male contains about 200 - 300 million sperms, of which for normal fertility ______% sperms must have normal shape and size and at least ______% must show energetic motility.
Prostate glands are located below ______.
Why do only male gametes have a tail?
Give reasons for the following
Scrotum remains outside the body of human males.
Vasa efferentia exist in between:
Sketch and label Human Male Reproductive System.
Which of the following provides a proof for forensic test in case of rape?
Match the items given in Column I with the most appropriate ones in Column II and rewrite the correct matching pairs:
| Column I | Column II | ||
| (a) | Leydig Cells | 1. | Lack of thyroxine in children |
| (b) | Stoma | 2. | 12 pairs |
| (c) | Ova | 3. | Testosterone |
| (d) | Cranial nerve | 4. | Diffusion of respiratory gases |
| (e) | Cretinism | 5. | Haploid cells |
| 6. | 31 Pairs | ||
| 7. | Diploid cells |
State very briefly the chief function of the following:
Prostate gland
Statement I: Vas deferens receives a duct from seminal vesicle and opens into urethra as the ejaculatory duct.
Statement II: The cavity of the cervix is called cervical canal which along with vagina forms birth canal.
In the light of the above statements, choose the correct answer from the options given below:
What percentage of total semen volume does the prostate gland contribute?
