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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
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.
Is sex education necessary in schools? Why?
Amniocentesis for sex determination is banned in our country. Is this ban necessary? Comment.
What are the measures one has to take to prevent from contracting STDs?
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.
What substances are contained in vaginal pills, used as contraceptives? How do they work?
People who die from AIDS are not killed by the virus itself. Explain.
Which of the following method of contraception protects a person from acquiring a sexually transmitted disease?
(a) oral pills
(b) condom
(c) copper-T
(d) surgery
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 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?
What is contraception? List four different methods. State four reasons for adopting contraceptive methods.
Name the kind of diseases/disorders and any two symptoms that are likely to occur in humans if Mutation in the gene that codes for an enzyme phenylalanine hydroxylase occurs.
What can you suggest to your classmates to keep himself/herself clean and healthy?
According to which of the following organization "reproductive health means a total well-being in all aspects of reproduction"?
RCH stands for ______.
‘Saheli’ a new oral contraceptive developed by ______.
Why does bread mould grow profusely on a moist slice of bread rather than on a dry slice of bread?
What is the full form of RCH?
In India, the action plans for family planning were initiated in the year ______
