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प्रश्न
Trace the path of sperm during ejaculation and mention the gland and their functions associated with the male reproductive system.
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उत्तर
Sperms, after their formation in the testes, comes out into the vas deferens and then pass through urethra before ejaculation. The glands associated with human male reproductive system are seminal vesicle and prostrate glands. These glands add their secretions which provide nutrition to the sperms and also facilitate their transport.
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संबंधित प्रश्न
List four points of significance of reproductive health in a society. Name any two areas related to the reproductive health which have improved over the past 50 years in our country.
If implementation of better techniques and new strategies are required to provide more efficient care and assistance to people, then why is there a statutory ban on amniocentesis? Write the use of this technique and give reason to justify the ban.
Do you think that reproductive health in our country has improved in the past 50 years? If yes, mention some such areas of improvement.
What is amniocentesis and why there is a statutory ban on it?
What is the name of surgical method of birth control in human females in which the oviducts are cut and ligated (tied) at both ends?
Name the contraceptive device used by human females which is put over the cervix.
What is the name of surgical method of birth control (or preventing pregnancy) which is carried out in women?
Which of the following method of contraception protects a person from acquiring a sexually transmitted disease?
(a) oral pills
(b) condom
(c) copper-T
(d) surgery
In the surgical method of birth control available for human females, the structures P in the reproductive system are cut and ligated (tied up) properly at both ends. This prevents the reproductive cell Q released by an organ R from entering the structures P so that Q is not available to fuse with another reproductive cell S coming from the male reproductive system. In this way, pregnancy is prevented.
(a) What are structures P?
(b) What is cell Q?
(c) Name the organ R.
(d) What is the reproductive cell S?
(e) What is the name of this surgical method of birth control available to females?
A dark stained body present in the somatic cells of human female but absent from those of male is ______.
Explain how, offspring and parents of organisms reproducing sexually have the same number of chromosomes?
In tobacco plant, the male gametes have twenty four chromosomes.
What is the number of chromosomes in the female gamete?
What is the number of chromosomes in the zygote?
What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg?
John and Radha were classmates since childhood. When Radha became eleven years old, she developed a little swelling on her neck. She visited the doctor who started medication for her. After a few years, John also developed a slight protrusion on his throat. He got worried and went to the doctor. But, the doctor assured him that it was a normal feature in boys while they are growing up. Can you think of any reasons for the difference in diagnoses?
Our government has legalised the age for marriage in boys and girls. Give reasons as to why one should get married after a certain age.
It is believed that height of a child depends upon the genes inherited from parents. However, it is often seen that tall parents may have short children and vice-versa. Are there factors other than genes that can cause these variations?
Amniocentesis is a technique used to ______.
Given below are four aspects of Reproductive Health in Column A and their related information in Column B:
| Column A | Column B | ||
| S. No. | Terms used in Reproductive Health | S. No. | Significant information |
| (A) | MTP | (i) | Analysing fetal cells from amniotic fluid of the foetus |
| (B) | Amniocentesis | (ii) | Legalised in 1971 |
| (C) | Saheli | (iii) | Programme initiated in 1951 |
| (D) | Family Planning | (iv) | Non-steroidal oral Planning contraceptive |
Select the correct match from the following options:
What was the population of India around independence, and what did it reach approximately by 2020?
