मराठी

Name the Contraceptive Device Used by the Human Males Which Acts as a Sheath Over the Male Organ and Traps the Sperms in It.

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प्रश्न

Name the contraceptive device used by the human males which acts as a sheath over the male organ and traps the sperms in it.

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उत्तर

The contraceptive device used by human males which acts as a sheath over the male organ and traps the sperms in it is called a condom.

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पाठ 3: How do Organisms Reproduce - Exercise 2 [पृष्ठ २०९]

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लखमीर सिंह Biology Part 3 [English] Class 10
पाठ 3 How do Organisms Reproduce
Exercise 2 | Q 39. (c) | पृष्ठ २०९

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.

  1. “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.
  2. List any two ‘indicators’ that indicate a reproductively healthy society.

Is sex education necessary in schools? Why?


Our government has intentionally imposed strict conditions for M.T.P. in our country. Justify giving a reason.


What substances are contained in oral pills, used as contraceptives? How do they work?


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?


Differentiate between the following:

Spermatogenesis and oogenesis


Expand the following abbreviation:

IUCD


Explain one application of the following:
Amniocentesis


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.


The family planning programmes in India were initiated in ______.


RCH stands for ______.


A national level approach to build up a reproductively healthy society was taken up in our country in ______.


The period of pregnancy is called ______ 


Explain how, offspring and parents of organisms reproducing sexually have the same number of chromosomes?


In the following figure, mark the positions of the endocrine glands which release the hormones that:

  1. control the release of sex hormone
  2. are responsible for the secondary sexual characters in boys.
  3. prevent diabetes.
  4. maintain the correct salt balance in the blood.

 


Suggest some important steps that you would recommend to be taken to improve the reproductive health standards in India.


Enumerate and describe any five reasons for introducing sex education to school-going children.


Given below are four aspects of Reproductive Health in Column A and their related information in Column B:

  Column A   Column B
S. No. Terms used in Reproductive Health S. No. Significant information
(A) MTP (i) Analysing fetal cells from amniotic fluid of the foetus
(B) Amniocentesis (ii) Legalised in 1971
(C) Saheli (iii) Programme initiated in 1951
(D) Family Planning (iv) Non-steroidal oral Planning contraceptive

Select the correct match from the following options:


What is the exact action of birth control pills?


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