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प्रश्न
Write two major functions of testis.
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उत्तर
- They produce male gametes called spermatozoa by the process of spermatogenesis.
- The leydig cells of the seminiferous tubules secrete the male sex hormone called testosterone. Testosterone aids in the development of secondary sex characteristics in males.
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संबंधित प्रश्न
With the help of a neat, labelled diagram describe the human male reproductive system.
The external layer of connective tissue sheath of human testis is __________.
Describe the functions of the following:
Oviduct
Differentiate between vas deferens and vasa efferentia.
Mention the exact location of the following:
Testis
Differentiate
Urinogenital duct and Ureter.
Give Technical Term:
Name the male gamete of a mammal.
Hormones related to male reproductive system.
Write the functions of Seminal vesicle
State names of organs in male reproductive system.
The large elongated cells that provide nutrition to developing sperms are ______
Name the secondary sex organs in males.
The spermatozoa from seminiferous tubules pass into ______.
In the male reproductive system, the vasa efferentia opens into the ______.
Identify the correct sequence of layers that cover the testis (outside to inside).
ln the reproductive system of a male human being, the ejaculatory ducts open into ________.
Occurrence of Leydig’s cells and their secretion is ______.
Sertoli cells are regulated by the pituitary hormone known as ______.
Increased secretion of which hormone start the process of sperm formation at the time of puberty?
Match between the following representing parts of the sperm and their functions and choose the correct option.
| Column A | Column B | ||
| A. | Head | i. | Enzymes |
| B. | Middle piece | ii. | Sperm motility |
| C. | Acrosome | iii. | Energy |
| D. | Tail | iv. | Genetic material |
Spot the odd one out from the following structures with reference to the male reproductive system.
Seminal plasma, the fluid part of semen is formed by ______.
Along the path of the vas-deferens the secretions of which gland provide nutrition to the sperms?
The correct sequence of organs in the male reproductive system for transport of sperms is
Cell at the end of first meiotic division male sperm differentiates into ______.
What is the significance of epididymis in male fertility?
What are the components of semen?
Answer the following question based on the human male reproductive system:
What is the length of a sperm?
Given below is a group of terms. In the group, one pair indicates the relationship between the two terms. Rewrite and complete the second pair on a similar basis.
Follicle cells : Ova :: ______ : Sperms.
The figure given ahead is an organ system of humans. Study the same and answer the following questions.
 |
- Identify the organ system.
- Label the guidelines 1 to 7.
- Write one important role of parts 3 and 6.
- Name the cells of part 1 that produce testosterone.
- What is the significance of the part 1 being located in a separate sac suspended outside the body?
