Reproductive Health — Page 3 | NEET Biology

Q21

The most widely accepted method of contraception in India at present is

A Cervical caps

B Tubectomy

C Diaphragms

D IUDs

Correct Answer

Option D

Solution

(d) IUDs (Intra Uterine Devices) are the most widely used contraceptive method in India.

Q22

The permissible use of amniocentesis is for

A detecting sex of the unborn foetus

B artificial insemination

C transfer of embryo into surrogate mother

D detecting any genetic abnormality

Correct Answer

Option D

Solution

(d) Amniocentesis is legally permitted for prenatal diagnosis of genetic/chromosomal abnormalities.

Q23

Which of the following is a correct statement about IUDs?

A IUDs suppress gametogenesis

B IUDs once inserted need not be replaced

C IUDs are generally inserted by the user herself

D IUDs increase phagocytosis of sperms in the uterus

Correct Answer

Option D

Solution

(d) IUDs invoke phagocytic activity in the uterus and Cu ions suppress sperm motility.

Q24

Copper-T prevents pregnancy by preventing

A implantation of blastocyst

B ovulation

C fertilization

D egg maturation

Correct Answer

Option A

Solution

(a) Copper-T prevents implantation of the fertilized egg in the uterine wall.

Q25

Cu ions released from copper-releasing IUDs

A make uterus unsuitable for implantation

B increase phagocytosis of sperms

C suppress sperm motility

D prevent ovulation

Correct Answer

Option C

Solution

(c) Cu2+ ions suppress sperm motility and fertilizing capacity.

Q26

One of the legal methods of birth control is

A by abstaining from coitus from day 10 to 17 of menstrual cycle

B by having coitus at the time of daybreak

C by premature ejaculation during coitus

D abortion by taking an appropriate medicine

Correct Answer

Option D

Solution

(d) MTP (Medical Termination of Pregnancy) is legal in India since 1971 under specific conditions.

Q27

Which of the following is a hormone releasing IUD?

A Multiload 375

B LNG-20

C Cervical cap

D Vault

Correct Answer

Option B

Solution

(b) LNG-20 releases levonorgestrel (20 mcg/day) — a hormone-releasing IUD.

Q28

Tubectomy is a method of sterilization in which

A small part of the fallopian tube is removed or tied up

B ovaries are removed surgically

C small part of vas deferens is removed or tied up

D uterus is removed surgically

Correct Answer

Option A

Solution

(a) Tubectomy (female sterilization): fallopian tubes are cut/ligated preventing egg from reaching uterus.

Q29

Which option includes all sexually transmitted diseases?

A Gonorrhoea, Malaria, Genital herpes

B AIDS, Malaria, Filaria

C Cancer, AIDS, Syphilis

D Gonorrhoea, Syphilis, Genital herpes

Correct Answer

Option D

Solution

(d) Gonorrhoea, Syphilis, and Genital herpes are all STDs.

Q30

Test tube baby is one who

A is born out of artificial insemination

B has undergone development in a test tube

C is born out of the technique of fertilization in vitro

D has been developed without fertilization

Correct Answer

Option C

Solution

(c) Test tube baby: fertilization done in vitro (outside body); embryo implanted in uterus.