Given below four methods (A - D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follows   Method   Mode of action A The Pill 1 Prevents sperms reaching cervix B Condom 2 Prevents implantation C Vasectomy 3 Prevents ovulation D Copper – T 4 Semen contains no sperms from Biology Reproductive Health Class 12 Nagaland Board
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Given below four methods (A - D) and their modes of action (1-4) in achieving contraception. Select their correct matching from the four options that follows

 

Method

 

Mode of action

A

The Pill

1

Prevents sperms reaching cervix

B

Condom

2

Prevents implantation

C

Vasectomy

3

Prevents ovulation

D

Copper – T

4

Semen contains no sperms

  • A

    B

    C

    D

    3

    1

    4

    2

  • A

    B

    C

    D

    4

    1 2 3
  • A

    B

    C

    D

    3

    4 1 2
  • A

    B

    C

    D

    2

    3 1 4

A.

A

B

C

D

3

1

4

2

The contraceptive pills hormones either in combination or progesterone only that primarily prevent the release of the egg. It is convenient and highly effective, significant non- contraceptive health benefits such as protection against ovarian and endometrial cancers.

A condom is thin rubber sheath for penis that collects semen. It is easy to use effective and inexpensive.

vasectomy is the cutting and tying off ductus deferens. so that sperm cannot enter the ejaculate. 

Copper -T is a small device placed in the uterus that prevents fertilisation or implantation.

The contraceptive pills hormones either in combination or progesterone only that primarily prevent the release of the egg. It is convenient and highly effective, significant non- contraceptive health benefits such as protection against ovarian and endometrial cancers.

A condom is thin rubber sheath for penis that collects semen. It is easy to use effective and inexpensive.

vasectomy is the cutting and tying off ductus deferens. so that sperm cannot enter the ejaculate. 

Copper -T is a small device placed in the uterus that prevents fertilisation or implantation.

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The birth control device not used by women is :
  • Diaphragm
  • Oral pill
  • Condom
  • Copper T

C.

Condom
950 Views

Progesterone is the contraceptive pill which :
  • Prevents ovulation
  • prevent entry of sperms
  • prevent implantation
  • All the above

D.

All the above
505 Views

The prenatal technique to determine the genetic disorders in a foetus is called :
  • Laproscopy
  • Amniocentesis
  • Abstinence
  • Coitus nterruptus.

B.

Amniocentesis
495 Views

The main factor for the growth of human population in India is :
  • high birth rate
  • less death rate
  • lack of education
  • All the above

D.

All the above
457 Views

What is correct about a test tube baby?
  • Fertilization in female's genital tract and growth in test tube
  • Rearing of premature born baby in an incubator
  • Fertilization outside and gestation inside mother's womb
  • Both fertilization and development are done outside the female genital tract.

C.

Fertilization outside and gestation inside mother's womb
462 Views