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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

What are the major components of seminal plasma?

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प्रश्न

What are the major components of seminal plasma?

लघु उत्तर
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उत्तर

Semen (produced in males) is composed of sperm and seminal plasma. The major components of the seminal plasma in the male reproductive system are mucus, spermatozoa, and various secretions of accessory glands. The seminal plasma is rich in fructose, calcium, ascorbic acid, and certain enzymes. It provides nourishment and protection to sperm.

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पाठ 2: Human Reproduction - EXERCISES [पृष्ठ ४०]

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एनसीईआरटी Biology [English] Class 12
पाठ 2 Human Reproduction
EXERCISES | Q 10. | पृष्ठ ४०
नूतन Biology [English] Class 12 ISC
पाठ 2 Human Reproduction
NCERT EXERCISES | Q 10. | पृष्ठ ११६

संबंधित प्रश्‍न

Pituitary dwarfism is treated with gene therapy by____

(A) Human insulin
(B) Tissue growth factor - Beta
(C) Tissue plasmogen activator
(D) Human growth hormone producer gene


ACTH, TSH, ADH, FSH


Write a note on human sperm


Why is it important that a very large number of sperms should be present in the semen ?


Write in sequence, the regions which a mature sperm travels from the seminiferous tubules up  to the urethral opening in the human male. 


What is semen? 


Write important function of the following:

Inguinal canal


Define the following:
Dioceious


Name the Following

The hormone that stimulates the development of secondary sexual characters in males.


Complete the following sentences with appropriate word:

The surgical sterilization of males is known as _________.


Write the functional activity of the following structure:

Seminiferous tubules


Write the functional activity of the following structure:

Cowper’s gland


Write the functions of Seminal vesicle


State names of organs in male reproductive system.


Write the answers to the questions by observing the figure.

  1. What does the above figure show?
  2. Write the names of parts A, B, C, D.
  3. Write the function of the part 'D'.
  4. How is semen formed?

Identify the number of spermatids produced from 1 secondary spermatocyte.


The ________ secrete testosterone after puberty.


ells of Leydig occur in ______.


Why do only male gametes have a tail?


Identify A, B, C, D, in the given diagram of the human reproductive system:


Sketch and label Human Male Reproductive System.


Give significance of Leydig's cells.


Answer the following question based on the human male reproductive system:

By which type of cell division, sperms are formed?


Answer the following question based on the human male reproductive system:

Name any two unpaired organs of male reproductive system


Draw a labelled diagram of the male reproductive system.


What is the significance of Testes being placed in Scrotal sacs?


State very briefly the chief function of the following:

Sperm duct (vas deferens)


Name these:

3 male accessory glands in humans.


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