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प्रश्न
What substances are contained in vaginal pills, used as contraceptives? How do they work?
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उत्तर
Vaginal pills have spermicides which kill the sperms.
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संबंधित प्रश्न
Your school has been selected by the Department of Education to organize and host an interschool seminar on “Reproductive Health – Problems and Practices”. However, many parents are reluctant to permit their wards to attend it. Their argument is that the topic is “too embarrassing.” Put forth four arguments with appropriate reasons and explanation to justify the topic to be very essential and timely.
State True/False with explanation.
Creating awareness about sex-related aspects is an effective method to improve reproductive health of the people.
Write the full form of the following as it occur in biology :
HIV
What are the three types of methods used for birth control (or regulating child birth)? Give one example of each type.
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?
What substances are contained in oral pills, used as contraceptives? How do they work?
What is the name of surgical method of birth control (or preventing pregnancy) which is carried out in men?
One of the following is a surgical method which prevents the sperms from reaching the ovum and pregnancy does not occur. This method is :
(a) IUCD
(b) vasectomy
(c) condom
(d) tubectomy
In the surgical method of birth control available for males, the structures A in the reproductive system are cut and ligated (tied up) at both ends. This prevents the reproductive cells B from coming out from the organs C where they are made in the male body. Since B cannot come out from the male body, they cannot fuse with cell D in the body of a female and hence pregnancy is prevented.
(a) What are structures A?
(b) What are cells B?
(c) Name the organs C.
(d) What is cell D?
(e) What is the name of this surgical procedure for birth control available to males?
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.
Differentiate between the following:
Spermatogenesis and oogenesis
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.
Give scientific reasons.
Indians should follow family planning for controlling the population.
First or free milk is called ______.
The period of pregnancy is called ______
Why does bread mould grow profusely on a moist slice of bread rather than on a dry slice of bread?
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?
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?
Which is the most commonly prescribed non-steroidal oral contraceptive pill in India?
