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

Is the use of contraceptives justified? Give reasons. - Biology

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प्रश्न

Is the use of contraceptives justified? Give reasons.

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उत्तर

India’s population is rapidly expanding, demanding the widespread use of prevention to keep all fertile couples under control. It will help reduce the birth rate, limiting population expansion. Therefore, the use of contraception is justified. It is crucial to remember that selecting an effective contraceptive method requires consultation with experienced specialists. The government provides these services free at family planning centres. These facilities provide contraceptives for free or at a low cost to couples of reproductive age who want to avoid pregnancy.

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अध्याय 4: Reproductive Health - NCERT EXERCISES WITH ANSWERS [पृष्ठ १४२]

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नूतन Biology [English] Class 12 ISC
अध्याय 4 Reproductive Health
NCERT EXERCISES WITH ANSWERS | Q 6. | पृष्ठ १४२

संबंधित प्रश्न

What are the suggested reasons for population explosion?


Removal of gonads cannot be considered as a contraceptive option. Why?


Correct the following statement:

Surgical methods of contraception prevent gamete formation.


Answer the following question.

Describe the various methods of birth control to avoid pregnancy.


______ is not a permanent method of birth control.


How is contraception achieved with intra uterine devices such as copper T and loop?


What is the term used for the gonorrhoea infection caused to girls before puberty?


Choose the right one among the statements given below.


Condoms are one of the most popular contraceptives becuase of the following reasons.


The correct surgical procedure as a contraceptive method is ______.


Diaphragms are contraceptive devices used by the females.

Choose the correct option from the statements given below:

  1. They are introduced into the uterus
  2. They are placed to cover the cervical region
  3. They act as physical barriers for sperm entry
  4. They act as spermicidal agents

Match List - I with List - II.

List I List II
(a) Vaults (i) Entry of sperm through
Cervix is blocked
(b) IUDs (ii) Removal of Vas deferens
(c) Vasectomy (iii) Phagocytosis of sperms
within the Uterus
(d) Tubectomy (iv) Removal of the fallopian tube

Choose the correct answer from the options given below.


Which one of the following is an example of Hormone releasing IUD?


The present population growth rate in India is alarming. Suggest ways to check it.


What is the significance of progesterone-estrogen combination as a contraceptive measure?


What are the advantages of natural methods of contraception over artificial methods?


Discuss the mode of action and advantages/disadvantages of hormonal contraceptives.


Given below are four contraceptive methods and their modes of action. Select the correct match:

Method Mode of action
a) Condom (i) Ovum not able to reach Fallopian tube
b) Vasectomy (ii) Prevents ovulation
c) Pill (iii) Prevents sperm reaching the cervix
d) Tubectomy (iv) Semen contains no sperms

A population that exhibits birth rate identical to death rate implies ______.


Identify the incorrect statement regarding ‘Saheli’.

  • Statement I: It's an oral steroid contraceptive developed by ORI.
  • Statement II: It has a low contraceptive value and a high chance of side effects.

Which of the following is a hormone-releasing contraceptive?


The attributes of population but not of the individual are ______.


Name and explain a surgical contraceptive method that can be adopted by the male partner of a couple.


Given below are certain situations. Analyse the situation and suggest the name of suitable contraceptive device along with mode of action.

Situation Requirement of contraceptive for - Name of contraceptive device Mode of action
1 blocking the entry of sperms through cervix ______ ______
2 spacing between children ______ ______
3 effective emergency contraceptive ______ ______
4 terminal method to prevent any more pregnancy in female ______ ______
5 sterilization in male ______ ______

The diagram represents a surgical sterilization method in males. Study the same and answer the questions that follow :

  1. Give the name of the surgical method represented in the diagram.
  2. Which part is ligated or cut?
  3. Name the corresponding surgical method conducted in females.

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