NCERT Exemplar solutions for Biology [English] Class 12 chapter 4 - Reproductive Health [Latest edition]

The method of directly injecting a sperm into ovum in assisted by reproductive technology is called ______.

Increased IMR and decreased MMR in a population will ______.

Intensely lactating mothers do not generally conceive due to the ______.

Choose the correct option:

Sterilisation techniques are generally fool proof methods of contraception with least side effects. Yet, this is the last option for the couples because:

1. It is almost irreversible
2. Of the misconception that it will reduce sexual urge/drive
3. It is a surgical procedure
4. Of lack of sufficient facilities in many parts of the country

A national level approach to build up a reproductively healthy society was taken up in our country in ______.

Emergency contraceptives are effective if used within ______.

Choose the right one among the statements given below.

Following statements are given regarding MTP. Choose the correct options given below:

1. MTPs are generally advised during first trimester
2. MTPs are used as a contraceptive method
3. MTPs are always surgical
4. MTPs require the assistance of qualified medical personnel

From the sexually transmitted diseases mentioned below, identify the one which does not specifically affect the sex organs ______.

Condoms are one of the most popular contraceptives becuase of the following reasons.

Choose the correct statement regarding the ZIFT procedure.

The correct surgical procedure as a contraceptive method is ______.

Diaphragms are contraceptive devices used by the females.

Choose the correct option from the statements given below:

1. They are introduced into the uterus
2. They are placed to cover the cervical region
3. They act as physical barriers for sperm entry
4. They act as spermicidal agents

Reproductive health refers only to healthy reproductive functions. Comment.

Comment on the Reproductive and Child Health Care programme of the government to improve the reproductive health of the people.

The present population growth rate in India is alarming. Suggest ways to check it.

STDs can be considered as self-invited diseases. Comment.

Suggest the reproduction-related aspects in which counselling should be provided at the school level.

Mention the primary aim of the “Assisted Reproductive Technology” (ART) programme.

What is the significance of progesterone-estrogen combination as a contraceptive measure?

Strict conditions are to be followed in medical termination of pregnancy (MTP) procedures. Mention two reasons.

Males in whom testes fail to descend to the scrotum are generally infertile. Why?

Mention two advantages of lactational amenorrhea as a contraceptive method.

Suggest some important steps that you would recommend to be taken to improve the reproductive health standards in India.

The procedure of GIFT involves the transfer of female gametes into the fallopian tube, can gametes be transferred to the uterus to achieve the same result? Explain.

Copper ions-releasing IUDs are more efficient than non-medicated methods. Why?

What are the probable factors that contributed to population explosion in India?

Briefly explain IVF and ET What are the conditions in which these methods are advised?

What are the advantages of natural methods of contraception over artificial methods?

What are the conditions in which medical termination of pregnancy is advised?

Comment on the essential features required for an ideal contraceptive.

All reproductive tract infections RTIs are STDs, but all STDs are not RTIs. Justify with example.

What are the Assisted Reproductive Techniques practised to help infertile couples? Describe any three techniques.

Discuss the mode of action and advantages/disadvantages of hormonal contraceptives.

STDs are a threat to reproductive health. Describe any two such diseases and suggest preventive measures.

Do you justify the statutory ban on amniocentesis in our country? Give reasons.

Enumerate and describe any five reasons for introducing sex education to school-going children.