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प्रश्न
What are the major components of seminal plasma?
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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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संबंधित प्रश्न
Why are the human testes located outside the abdominal cavity? Name the pouch in which they are present.
Humans are ______.
Describe the human male reproductive system.
Identify True/False statement. Correct false statement to make it true.
Spermatozoa get nutrition from Sertoli cells.
The exact location of the seminal vesicle
State the reason why testes lie outside the abdomen in a scrotum?
Mention the functions of Testis.
Differentiate between the following pair:
Hymen and clitoris
Sketch the labelled diagram.
Human male reproductive system.
Given on the right is a diagram which represents the reproductive organs of a man:
(i) Write the names of the parts numbered 1 to 16.
(ii) Give two functions of the part 6.
(iii) Name three components of the fluid which may be found in the tube labeled 2.
(iv) What is the main function of the part labelled 3?
With the help of labelled diagramms describe the structures of human sperm and unfertilized ovum.
A couple is unable to conceive. Which modern techniques are available to overcome this problem?
Complete the following sentences with appropriate word:
The surgical sterilization of males is known as _________.
Which of the following is a secondary sexual character observed in males?
How much semen is generally present in seminal fluid?
Which is the duct that carries sperms from testes and opens into the epididymis?
The ejaculatory ducts open into the ______.
In the following diagram, what are A and its function?
The ______ lead to vas deferens that ascends to the ______ and loops over the ______.
Seminal plasma in human males is rich in ______.
Which of the following hormone maintains the function of male sex accessory gland and ducts?
Prostate glands are located below ______.
The primary sex organ of a human male is ______.
During adolescence, several changes occur in the human body. Mark one change associated with sexual maturation in boys
Explain the function of the following structure in the human male reproductive system.
Leydig cells
Given below is a certain situation. Analyze and describe its possible impact on a person:
The Vas deferens of a man is plugged.
What is the significance of the testes being located in scrotal sacs outside the abdomen?
Mention the location and the function of Leydig cells.
Answer the following question based on the human male reproductive system:
What is the work of vas deferens?
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 |
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?
