Zoology MCQs for NEET — Practice Questions with Answers

(a) An intrauterine device is a small, often T-shaped birth control device that is inserted into a woman's uterus to prevent pregnancy. The copper releasing IUD's primarily work by disrupting sperm motility and damaging sperm. Copper acts as a spermicide. It can also alter the endometrial lining, preventing implantation.

(a) Hormone releasing IUD (Intra Uterine Devices) is LNG-20. The lUD's are ideal contraceptive methods used by females to prevent pregnancy.

The hormone releasing lUD's make the uterus unsuitable for implantation and the cervix hostile to the sperms. Hence, option (a) is correct.

Concept Enhancer Lippes loop is a non-medicated IUD whereas Cu-7 and Multiload-375 are copper releasing lUDs.

(a) Intentional or voluntary termination of pregnancy before full term is called medical termination of pregnancy (MTP) or induced abortion. MTPs are considered relatively safe during the first trimester, i.e up to 12 weeks of pregnancy. Second trimester abortions are much more riskier.

Reproductive health refers to healthy reproductive organs with normal functions. However, it has a broader perspective and includes the emotional and social aspects of reproduction also. (page- 57)

According to the World Health Organisation (WHO), reproductive health means a total well-being in all aspects of reproduction, i.e., physical, emotional, behavioural and social. Therefore, a society with people having physically and functionally normal reproductive organs and normal emotional and behavioural interactions among them in all sex-related aspects might be called reproductively healthy. (page-57)

Family programs were initiated in India in 1951. Creating awareness among people about various reproduction related aspects and providing facilities and support for building up a reproductively healthy society are the major tasks under these programmes. (page- 57,58)

RCH stands for Reproductive and Child Health Care programmes that create awareness among people about various reproduction related aspects and provide facilities and support for building up a reproductively healthy society. (page- 58)

Saheli–a new oral contraceptive for the females–was developed by scientists at Central Drug Research Institute (CDRI) in Lucknow. (page-58)

The world population which was around 2 billion in 1900 rocketed to about 6 billions by 2000.

(page- 59)

An ideal contraceptive should be user-friendly, easily available, effective and reversible with no or least side-effects. It also should in no way interfere with the sexual drive, desire and/or the sexual act of the user. (page- 59)