Which of the following assisted reproductive technology has been used for the longest time period?

(a) In vitro fertilization
(b) Artificial insemination
(c) Intracytoplasmic sperm injection
(d) Gamete intra fallopian transfer

Present increase in India’s population has not been due to decline in

(a) decrease in infant mortality rate
(b) decrease number of people reaching reproductive age
(c) decline in death rate
(d) decline in maternal mortality rate