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How does copper-T prevent pregnancy?

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प्रश्न

How does copper-T prevent pregnancy?

अति संक्षिप्त उत्तर
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उत्तर

Copper-T prevents the implantation of fertilised egg in the uterus and, thus, prevents pregnancy.

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अध्याय 3: How do Organisms Reproduce - Exercise 2 [पृष्ठ २१०]

APPEARS IN

लखमीर सिंग Biology Part 3 [English] Class 10
अध्याय 3 How do Organisms Reproduce
Exercise 2 | Q 43. (b) | पृष्ठ २१०
सरिता अग्रवाल Biology [English] Class 12 ISC
अध्याय 4 Reproductive Health-Problems and Strategies
EXERCISES | Q II. 3. | पृष्ठ २०६

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.

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.


Suggest the aspects of reproductive health which need to be given special attention in the present scenario.


State True/False with explanation.

Creating awareness about sex-related aspects is an effective method to improve reproductive health of the people.


Name one method of contraception which also protects against sexually transmitted diseases.


What is the name of surgical method of birth control in human females in which the oviducts are cut and ligated (tied) at both ends?


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


Mention any one symptom of the diseases/disorders named above.

 

 

 List four ways of preventing pregnancy. State two advantages of using such preventive methods.


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.


Name the kind of diseases/disorders and any two symptoms that are likely to occur in humans if The karyotype is XXY


Why is it necessary to maintain reproductive health? Which precautions one should follow to maintain reproductive health?


What are the strategies to be implemented in India to attain total reproductive health?


According to which of the following organization "reproductive health means a total well-being in all aspects of reproduction"?


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


Reproductive health includes ______.


Colonies of yeast fail to multiply in water, but multiply in sugar solution. Give one reason for this.


From the internet, gather information about the chromosome numbers of five animals and five plants. Correlate the number with the size of organism and answer the following questions.

  1. Do larger organisms have more number of chromosomes/cells?
  2. Can organism with fewer chromosomes reproduce more easily than organisms with more number of chromosomes?
  3. More the number of chromosomes/cells greater is the DNA content. Justify.

Reproduction is linked to stability of population of a species. Justify the statement.


What would be the ratio of chromosome number between an egg and its zygote? How is the sperm genetically different from the egg?


John and Radha were classmates since childhood. When Radha became eleven years old, she developed a little swelling on her neck. She visited the doctor who started medication for her. After a few years, John also developed a slight protrusion on his throat. He got worried and went to the doctor. But, the doctor assured him that it was a normal feature in boys while they are growing up. Can you think of any reasons for the difference in diagnoses?


When was family planning programs initiated in India?


______ is responsible for the declining female: male ratio.


State one drawback of the following:

Copper - T


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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