Which of the following is not a factor that has led to a population explosion in India?

1.	Decline in death rate
2.	Decline in maternal mortality rate
3.	Decline in Infant mortality rate
4.	Decline in the number of people in reproducible age

The most important measure to check the population explosion in India is:

The statutory marriageable age in India for males and females respectively are:

An ideal contraceptive should not:
1. Be user friendly                    

2. Be effective and reversible
3. Have least side effects               

 4. Interfere with sexual drive

Natural methods for contraception work on the principle of:

1. Preventing fertilization          

2. Preventing implantation

3. Preventing ovulation             

4. Preventing embryo development

The days of the menstrual cycle during which coitus is avoided in periodic abstinence are:

Amenorrhea is:
1. Abnormal menstruation             

2. Excess menstruation

3. Absence of menstruation           

4. Scanty menstruation

Lactational amenorrhea method of contraception is based on the fact that:
1. Ovulation and menstrual flow does not occur post conception during intense lactation
2. The cervix mucus becomes hostile to sperms after parturition during intense lactation
3. Ovulation and menstrual flow does not occur post partum during intense lactation
4. The endometrium is reabsorbed rather than sloughed off during intense lactation

Lactational amenorrhea is effective up to a maximum period of:
1. 3 months
2. 6 months
3. 9 months
4. 12 months

Barrier methods for contraception work on the principle of:
1. Preventing fertilization
2. Preventing implantation
3. Preventing ovulation
4. Preventing embryo development