Extra Questions for Class 12 Biology Chapter 4 Reproductive Health
Here we are providing extra questions for class 12 biology. Here you will find extra questions for chapter 4 reproductive health. Students can read and practice these questions to score better marks in the exam.
Q.1. A doctor has observed the chromosomal disorders in developing foetus and advised the couple to undergo abortion. Suggest the technique by which doctor observed the chromosomal disorders.
Ans. Amniocentesis
Q.2. What technique would you suggest for correcting infertility caused due to very low sperm counts of a male partner?
Ans. Artificial insemination
Q.3. Why is tubectomy considered a contraceptive method?
Ans. Tubectomy involves cutting a piece of the fallopian tube and tying its ends. This way, the sperms are not able to reach the egg so fertilisation cannot take place. Thus, it acts as a contraceptive method.
Q.4. Reproductive health refers only to healthy reproductive functions. Comment.
Ans. Reproductive health refers to the total well-being in all aspects of reproduction, i.e., physical, behavioural, psychological and social.
Q.5. Government of India has raised the marriageable age of female to 18 years and of males to 21 years. Suggest any two more measures adopted by Government for the purpose.
Ans. (i) Incentives given to couples with small families.
(ii) Media publicity through posters of happy couples with two children (Hum Do Humare Do).
(iii) Motivation to promote smaller families by using contraceptive methods.
(iv) Raising marriageable age of females to 18 years & males to 21 years. (Any two)
Q.6. Indiscriminate diagnostic practices, using X-rays, etc., should be avoided. Give one reason.
Ans. These practices act as carcinogens which convert normal cells to neoplastic cells by harmful mutations or chromosomal aberration.
Q.7. In case of an infertile couple, the male partner can inseminate normally but the mobility of sperms is below 40 percent. Which kind of ART is suitable in this situation to form an embryo in the laboratory conditions, without involving a donor?
Ans. Intra Cytoplasmic Sperm Injection
Q.8. A woman’s husband is infertile. So the lady has decided to have baby by taking sperms from sperm bank. Which technique will you suggest for her pregnancy?
Ans. Intra cytoplasmic sperm injection (ICSI)
Q.9. At the time of Independence, the population of India was 350 million, which exploded to over 1 billion by May 2000. List any two reasons for this rise in population and any two steps taken by the government to check this population explosion.
Ans. Two reasons for increase in population are:
(i) A rapid decline in death rate, maternal mortality rate and infant mortality rate.
(ii) Increase in number of people in reproducible age.
Two steps for checking population explosion:
(i) Statutory raising of marriageable age of the females to 18 years and males to 21 years.
(ii) Incentives given to couples with small families.
Q.10. Comment on the RCH programme of the government to improve the reproductive health of the people.
Ans. The basic aims of the RCH programmes are creating public awareness regarding reproduction related aspects population growth and providing facilities to build up a healthy society with added emphasis on the health of mother and child.
Q.11. Give one reason to justify statutory ban on aminocentesis.
Ans. Statutory ban on aminocentesis prevents female foeticide.
Q.12. The present population growth rate in India is alarming. Suggest ways to check it.
Ans. (i) By increasing marriageable age.
(ii) By promoting use of birth control measures.
(iii) By educating people about consequences of uncontrolled population growth.
Q.13. What is amniocentesis? Why has the government imposed a statutory ban in spite of its importance in the medical field?
Ans. Amniocentesis is a foetal sex determination test based on the chromosomal pattern in cells extracted from the amniotic fluid, surrounding the developing embryo. Amniocentesis is used for sex determination, which most people go for, to kill female foetus. Therefore, it has been banned.
Q.14. The alarming population growth is leading to scarcity of basic requirements. Suggest with reasons, any two population control measures other than contraception to address the situation.
Ans. Following are the population control measures other than contraception:
(a) Advertisements in the media to generate awareness about advantages of small families.
(b) Statutory raising of marriageable age of the female to 18 years and that of males to 21 years,
to delay the number of births.
(c) Incentives given to couples with small families, to motivate others to comply. (Any two)
Q.15. A couple is eager to know the sex of their unborn child. What diagnostic technique will you suggest? What social abuse is associated with the application of this technique?
Ans. Amniocentesis is the suggested diagnostic technique which when applied helps in sex determination of the foetus and may lead to social abuse like female foeticides.
