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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
Do you think that reproductive health in our country has improved in the past 50 years? If yes, mention some such areas of improvement.
State True/False with explanation.
Creating awareness about sex-related aspects is an effective method to improve reproductive health of the people.
What is the causative organism for the following disease?
Gonorrhoea
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 done in the contraception method known as tubectomy?
AIDS is a deadly disease which is caused by :
(a) a protozoan
(b) a fungus
(c) a bacterium
(d) a virus
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?
The human males use a device X made of a very thin rubber sheet as a covering on the male organ to prevent pregnancy. This device traps the gametes Y in it. In order to prevent pregnancy, the human females use a device Z which is a circle of rubber with a metal spring around it. The device Z is put inside the vagina to cover the cervix. It stops Y from going into the uterus.
(a) What is device X?
(b) What are Y?
(c) Name the device Z.
(d) What is the general name of these methods of birth control (or preventing pregnancy)?
(e) The use of which contraceptive device, X or Z, can protect the persons from sexually transmitted diseases?
Give scientific reasons.
Indians should follow family planning for controlling the population.
A dark stained body present in the somatic cells of human female but absent from those of male is ______.
Why does bread mould grow profusely on a moist slice of bread rather than on a dry slice of bread?
Reproduction is linked to stability of population of a species. Justify the statement.
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?
In the following figure, mark the positions of the endocrine glands which release the hormones that:
- control the release of sex hormone
- are responsible for the secondary sexual characters in boys.
- prevent diabetes.
- maintain the correct salt balance in the blood.
______ is responsible for the declining female: male ratio.
State one drawback of the following:
Copper - T
Which of the following complete sets of aspects defines reproductive health?
What is the primary rationale for introducing structured sex education in schools under the RCH programme?
