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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
Amniocentesis for sex determination is banned in our country. Is this ban necessary? Comment.
Our government has intentionally imposed strict conditions for M.T.P. in our country. Justify giving a reason.
What is amniocentesis and why there is a statutory ban on it?
Write the full form of the following as it occur in biology :
STD
What is the causative organism for Syphilis?
Name the contraceptive device used by human females which is put over the cervix.
Describe the surgical methods of birth control for women.
In which one of the following birth control methods, a small portion of oviducts of a woman is removed by surgical operation and the cut ends are ligated?
(a) copper-T
(b) tubectomy
(c) vasectomy
(d) diaphragm
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.
Define amniocentesis.
Give the role of amniocentesis.
Write any two Sexually transmitted diseases.
RCH stands for ______.
RCH stands for ______.
How are general growth and sexual maturation different from each other?
Trace the path of sperm during ejaculation and mention the gland and their functions associated with the male reproductive system.
What is the full form of RCH?
