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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

Is sex education necessary in schools? Why? - Biology

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प्रश्न

Is sex education necessary in schools? Why?

थोडक्यात उत्तर

उत्तर

Yes, sex education is necessary in school. The introduction of sex education in school encourages the provision of the right or correct information to young people to discourage children from believing in myths & having misconceptions about sex-related aspects. Proper information about reproductive organs, safe & hygienic sexual practices, STDs, etc., would help people, those in the adolescent age group, to lead a healthy reproductive life. In many countries, sexual education raises much contentious debate. Chief among the controversial points is whether covering child sexuality is valuable or detrimental, the use of birth control such as condoms and hormonal contraception, and the impact of such use on pregnancy, outside marriage, teenage pregnancy, and the transmission of STDs. Increasing support for abstinence-only sex education by conservative groups has been one of the primary causes of the controversies.

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पाठ 4: Reproductive Health - Exercises [पृष्ठ ६६]

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एनसीईआरटी Biology [English] Class 12
पाठ 4 Reproductive Health
Exercises | Q 3 | पृष्ठ ६६

व्हिडिओ ट्यूटोरियलVIEW ALL [3]

संबंधित प्रश्‍न

Mention the problems that are taken care of by Reproduction and Child Health Care programme.


List four points of significance of reproductive health in a society. Name any two areas related to the reproductive health which have improved over the past 50 years in our country.


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.


Amniocentesis for sex determination is banned in our country. Is this ban necessary? Comment.


Write the full form of the following as it occur in biology :
STD


Write the full form of the following as it occur in biology :

HIV


What is the causative organism for AIDS?


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


Describe the surgical methods of birth control for men


Describe the surgical methods of birth control  for women.


Answer the following question.
What is meant by contraception?


 Give two examples of sexually transmitted diseases.


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


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


How does copper-T prevent pregnancy?


Which of the following method of contraception protects a person from acquiring a sexually transmitted disease?
(a) oral pills
(b) condom
(c) copper-T
(d) surgery


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


The sexually transmitted disease which is caused by bacteria is :
(a) malaria
(b) diarrhoea
(c) gonorrhoea
(d) AIDS


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?


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


Differentiate between the following :

Spermatogenesis and oogenesis


What is contraception? List four different methods. State four reasons for adopting contraceptive methods.


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


Draw a well labelled diagram of L.S. human testis.


Write any two Sexually transmitted diseases.


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 ______.


Which of the following method of contraception protects from acquiring sexually transmitted diseases?


There is a greater possibility for the evolution of a new species in organisms which reproduce by ______


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


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

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


Give a suitable word for the following statement.

Name of a gland which transports secretions through ducts.


John and Radha were classmates since childhood. When Radha became eleven years old, she developed a little swelling in 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?


Observe the chart and graph given in figure carefully and answer the following questions.

Age in Years % of full height  
  Boys Girls
8 72% 77%
9 75% 81%
10 78% 84%
11 81% 88%
12 84% 91%
13 88% 95%
14 92% 98%
15 95% 99%
16 98% 99.5%
17 99% 100%
18 100% 100%
  1. Which of the line represents the height of boys?
  2. Which line represents the height of girls?
  3. What is the difference between the pattern of increase in the height of boys and girls?
  4. Is this pattern true for each individual?

What is the full form of RCH?


Where was "Saheli" developed?


______ is responsible for the declining female: male ratio.


Amniocentesis is a technique used to ______.


Comment on the Reproductive and Child Health Care programme of the government to improve the reproductive health of the people.


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


Amniocentesis technique is ______.


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?


Which is the most commonly prescribed non-steroidal oral contraceptive pill in India?


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