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प्रश्न
In figure, mark the positions of the endocrine glands which release the hormones that
- control the release of sex hormone
- are responsible for the secondary sexual characters in boys.
- prevent diabetes.
- maintain the correct salt balance in the blood.
उत्तर
The figure with positions of the endocrine glands marked is given below :
- Pituitary gland - It releases hormones that control the release of sex hormones, i.e. testosterone in males and estrogen in females.
- Testis - It releases testosterone, which is responsible for the secondary sexual characters in boys.
- Pancreas - It releases insulin which prevents diabetes.
- Adrenal gland - It releases aldosterone that maintains the correct salt balance in the blood.
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संबंधित प्रश्न
Reproductive and Child Healthcare (RCH) programmes are currently in operation. One of the major tasks of these programmes is to create awareness amongst people about the wide range of reproduction related aspects. As this is important and essential for building a reproductively healthy society.
(a) "Providing sex education in schools in one of the ways to meet this goal." Give four points in support of your opinion regarding this statement.
(b) List any two 'indicators' that indicate a reproductively healthy society.
Amniocentesis for sex determination is banned in our country. Is this ban necessary? Comment.
What are the measures one has to take to prevent from contracting STDs?
Name one method of contraception which also protects against sexually transmitted diseases.
In which one of the following birth control methods, a small portion of oviducts of a woman is removed by surgical operation and the cut ends are ligated?
(a) copper-T
(b) tubectomy
(c) vasectomy
(d) diaphragm
A woman uses a device X made of a common metal for preventing pregnancy. This device works by preventing the implantation of fertilised egg cell (or embryo) in the female organ Y.
(a) What are the two names of device X?
(b) Name the organ Y.
(c) Can this method of contraception protect a woman from acquiring a STD?
Name the kind of diseases/disorders and any two symptoms that are likely to occur in humans if Mutation in the gene that codes for an enzyme phenylalanine hydroxylase occurs.
Observe the chart and graph given in figure carefully and answer the following questions.
| Age in Years | % of full height | |
| Boys | Girls | |
| 8 | 72% | 77% |
| 9 | 75% | 81% |
| 10 | 78% | 84% |
| 11 | 81% | 88% |
| 12 | 84% | 91% |
| 13 | 88% | 95% |
| 14 | 92% | 98% |
| 15 | 95% | 99% |
| 16 | 98% | 99.5% |
| 17 | 99% | 100% |
| 18 | 100% | 100% |
- Which of the line represents the height of boys?
- Which line represents the height of girls?
- What is the difference between the pattern of increase in the height of boys and girls?
- Is this pattern true for each individual?
What is the full form of RCH?
In India, the action plans for family planning were initiated in the year ______
