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प्रश्न
Which method of contraception prevents fertilised egg from being implanted in the uterus?
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उत्तर
IUCD such as copper-T prevents fertilised egg from being implanted into the uterus.
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संबंधित प्रश्न
Mention the problems that are taken care of by reproduction and child health care programme.
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.
Amniocentesis for sex determination is banned in our country. Is this ban necessary? Comment.
Write the full form of the following as it occur in biology :
STD
What is the causative organism for Gonorrhoea?
Name one sexually transmitted disease for which no definite cure has been found so far. What is the causative organism of this disease?
What are the three types of methods used for birth control (or regulating child birth)? Give one example of each type.
A woman uses pills A as a method of birth control (or preventing pregnancy). The pills A stop the ovaries from releasing ovum into oviducts. Another woman uses pills B as a method of birth control. The pills B kill the sperms and prevent pregnancy.
(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?
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.
Give the role of amniocentesis.
Surgical methods of contraception prevent gamete formation.
First or free milk is called ______.
Reproductive health includes ______.
The period of pregnancy is called ______
Would a Planaria cut vertically into two halves regenerate into two individuals? Complete Figure D and E by indicating the regenerated regions.
 |
 |
 |
 |
 |
| A | B | C | D | E |
From the internet, gather information about the chromosome numbers of five animals and five plants. Correlate the number with the size of organism and answer the following questions.
- Do larger organisms have more number of chromosomes/cells?
- Can organism with fewer chromosomes reproduce more easily than organisms with more number of chromosomes?
- More the number of chromosomes/cells greater is the DNA content. Justify.
Given below are events that lead to pregnancy and development of embryo.
- Fertilization of egg
- Maturation of egg
- Release of egg
- Embedding of embryo in thickened uterine wall.
Which of the following options gives the correct order of sequence in which they occur?
Observe the chart and graph given in the 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?
In India, the action plans for family planning were initiated in the year ______
Reproductive health refers only to healthy reproductive functions. Comment.
