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प्रश्न
Draw a well labelled diagram of L.S. human testis.
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उत्तर १
उत्तर २
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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.
- “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.
- List any two ‘indicators’ that indicate a reproductively healthy society.
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?
What is done in the contraception method known as vasectomy?
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?
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?
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.
Explain one application of the following:
Amniocentesis
Prepare a poster for the school program depicting the objectives of:
"Reproductive and Child Health Care Programme".
What is the need for contraception?
RCH stands for ______.
A dark stained body present in the somatic cells of human female but absent from those of male is ______.
Reproduction is linked to stability of population of a species. Justify the statement.
Select the statement(s) that relate to reproductive health:
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?
Amniocentesis technique is ______.
