Question 4
Do you think that reproductive health in our country has improved in the past 50 years? If yes, mention some such areas of improvement.
Answer
Yes, the reproductive health has tremendously improved in India in the last 50 years. The areas of improvement are as follows:
(1) Massive child immunization programme, which has lead to a decrease in the infant mortality rate.
(2) Maternal and infant mortality rate, which has been decreased drastically due to better post natal care.
(3) Family planning, which has motivated people to have smaller families.
(4) Use of contraceptive, which has resulted in a decrease in the rate of sexually transmitted diseases and unwanted pregnancies.
Popular Questions of Class 12 Biology
- Q:- What is spermatogenesis? Briefly describe the process of spermatogenesis.
- Q:- Why is reproduction essential for organisms? Answer
- Q:- Write a short note on
(a) Adaptations of desert plants and animals
(b) Adaptations of plants to water scarcity
(c) Behavioural adaptations in animals
(d) Importance of light to plants
(e) Effect of temperature or water scarcity and the adaptations of animals. - Q:- With a neat diagram explain the 7-celled, 8-nucleate nature of the female gametophyte.
- Q:- What is DNA fingerprinting? Mention its application.
- Q:- What is oogenesis? Give a brief account of oogenesis.
- Q:- Describe the structure of a seminiferous tubule.
- Q:- What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.
- Q:- With a neat, labelled diagram, describe the parts of a typical angiosperm ovule.
- Q:- Explain the Law of Dominance using a monohybrid cross.
Recently Viewed Questions of Class 12 Biology
- Q:- Identify True/False statements. Correct each false statement to make it true.
(a) Androgens are produced by Sertoli cells. (True/False)
(b) Spermatozoa get nutrition from Sertoli cells. (True/False)
(c) Leydig cells are found in ovary. (True/False)
(d) Leydig cells synthesise androgens. (True/False)
(e) Oogenesis takes place in corpus luteum. (True/False)
(f) Menstrual cycle ceases during pregnancy. (True/False)
(g) Presence or absence of hymen is not a reliable indicator of virginity or sexual experience. (True/False) - Q:- Explain the Law of Dominance using a monohybrid cross.
- Q:- What are the major causes of species losses in a geographical region?
- Q:- What measure would you take to prevent water-borne diseases?
- Q:- In the medium where E. coli was growing, lactose was added, which induced the lac operon. Then, why does lac operon shut down some time after addition of lactose in the medium?
- Q:- A diploid organism is heterozygous for 4 loci, how many types of gametes can be produced?
- Q:- What are the various constituents of domestic sewage? Discuss the effects of sewage discharge on a river.
- Q:- Why are offspring of oviparous animals at a greater risk as compared to offspring of viviparous animals?
- Q:- What initiatives were taken for reducing vehicular air pollution in Delhi? Has air quality improved in Delhi?
- Q:- Which one of the following has the largest population in a food chain?
(a) Producers
(b) Primary consumers
(c) Secondary consumers
(d) Decomposers
2 Comment(s) on this Question
Elizabeth
2019-06-30 09:04:57
Thanks
Ankita
2019-06-01 07:27:16
U have not mentioned areas ð¡ð¡ð¡ð¡ð¡ð¡ð¡ð¡ð¡ð¡ð¡ð¡
- NCERT Chapter