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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
Mention the problems that are taken care of by reproduction and child health care programme.
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
Name one method of contraception which also protects against sexually transmitted diseases.
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.
What is the name of surgical method of birth control in human males in which the sperm ducts are cut and ligated (tied) at both ends?
Describe the surgical methods of birth control for women.
What is the name of surgical method of birth control (or preventing pregnancy) which is carried out in women?
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
AIDS is a deadly disease which is caused by :
(a) a protozoan
(b) a fungus
(c) a bacterium
(d) a virus
A, B and C are three common STDs. A and C are caused by bacteria whereas B is caused by a virus D. The virus D reduces the immunity of the infected person to such a low level that the person can die of even very mild diseases.
(a) What could A and C be?
(b) What is B?
(c) Name the virus D?
(d) How can A, B and C be caused?
(e) Out of A, B and C, which one does not have a definite cure as yet?
Mention any one symptom of the diseases/disorders named above.
Differentiate between the following:
Spermatogenesis and oogenesis
A national level approach to build up a reproductively healthy society was taken up in our country in ______.
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.
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?
Where was "Saheli" developed?
Sex education should involve all of the following except:
Under which category of contraceptive methods, is the use of condom kept? In what way, its use is better as compared to other methods of contraception?
