Advertisements
Advertisements
प्रश्न
Name one method of contraception which also protects against sexually transmitted diseases.
उत्तर
A barrier method of contraception (e.g., condom) also protects us from sexually transmitted diseases.
APPEARS IN
संबंधित प्रश्न
Mention the problems that are taken care of by Reproduction and Child Health Care programme.
In the surgical method of birth control available for human females, the structures P in the reproductive system are cut and ligated (tied up) properly at both ends. This prevents the reproductive cell Q released by an organ R from entering the structures P so that Q is not available to fuse with another reproductive cell S coming from the male reproductive system. In this way, pregnancy is prevented.
(a) What are structures P?
(b) What is cell Q?
(c) Name the organ R.
(d) What is the reproductive cell S?
(e) What is the name of this surgical method of birth control available to females?
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
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.
Why does bread mould grow profusely on a moist slice of bread rather than on a dry slice of bread?
Would a Planaria cut vertically into two halves regenerate into two individuals? Complete Figure D and E by indicating the regenerated regions.
 |
 |
 |
 |
 |
| A | B | C | D | E |
Given below are events that lead to pregnancy and development of embryo.
- Fertilization of egg
- Maturation of egg
- Release of egg
- Embedding of embryo in thickened uterine wall.
Which of the following options gives the correct order of sequence in which they occur?
Where was "Saheli" developed?
Amniocentesis is a technique used to ______.
