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

Mention two advantages of lactational amenorrhea as a contraceptive method.

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प्रश्न

Mention two advantages of lactational amenorrhea as a contraceptive method.

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उत्तर

  1. There is no ovulation and therefore the menstrual cycle do not take place.
  2. As no medicines or devices are used in these methods, side effects are almost nil.
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  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 4: Reproductive Health - VERY SHORT ANSWER [पृष्ठ २७]

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एनसीईआरटी एक्झांप्लर Biology Exemplar [English] Class 12
अध्याय 4 Reproductive Health
VERY SHORT ANSWER | Q 10. | पृष्ठ २७

संबंधित प्रश्न

State True/False with explanation.

Complete lactation could help as a natural method of contraception.


______ is not a permanent method of birth control.


What is MTP?


What is the function of macrophages in immune defense?


How is contraception achieved by a contraceptive pill?


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


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.


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


Copper ions-releasing IUDs are more efficient than non-medicated methods. Why?


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 ______.


Which of the following statement is incorrect?


Which of the following is a hormone-releasing contraceptive?


Match the columns :

  Column 'A'   Column 'B'
1 Mechanical means a Saheli
2 Physiological device b Jellies
3 Chemical device c Vasectomy
4 Permanent method d Diaphragm

Name any two birth control measures which have high chances of failure.


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.

The technique used to block the passage of sperm in male is______.


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