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प्रश्न
Name the kind of diseases/disorders that are likely to occur in humans if
(i) mutation in the gene that codes for an enzyme phenyl alanine hydrolase occurs,
(ii) there is an extra copy of chromosome 21,
(iii) the karyotype is XXY.
उत्तर
(i) Phenylketonuria is the disorder that occur in humans due to the mutation in the gene (phenylalanine) that codes for an enzyme phenylalanine hydroxylase.
(ii) Down syndrome is the disorder that occur in humans if there is an extra copy of chromosome no. 21.
(iii) Klinefelter's syndrome is the disorder that occur in humans if the karyotype is XXY.
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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.
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Name the contraceptive device used by the human males which acts as a sheath over the male organ and traps the sperms in it.
Describe the surgical methods of birth control for men
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What substances are contained in oral pills, used as contraceptives? How do they work?
Name the disease caused by HIV.
What is the name of surgical method of birth control (or preventing pregnancy) which is carried out in men?
People who die from AIDS are not killed by the virus itself. Explain.
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(a) What do the pills A contain?
(b) What is the common name of pills A?
(c) What do the pills B contain?
(d) What is the common name of pills B?
(e) What is the general name of these methods of birth control?
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?
Prepare a poster for the school program depicting the objectives of:
"Reproductive and Child Health Care Programme".
What is contraception? List four different methods. State four reasons for adopting contraceptive methods.
Write any two Sexually transmitted diseases.
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 |
 |
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 |
 |
| A | B | C | D | E |
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Give a suitable word for the following statement.
Name of a gland which transports secretions through ducts.
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?
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Amniocentesis is a technique used to ______.
Amniocentesis technique is ______.
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:
