101q: time interval between inoculation of infection to maximum infectivity is ?
a. lead time
b. median incubation period
c. generation time
d. serial interval
102q: family size is ?
a. total number of family members in the family
b. total number of female children born in the family
c. total number of children in the family
d. total number of female children in the family considering the mortality
103q: which is not a goal for health for all by 2000 AD ?
a. crude birth rate – 21
b. NRR -1
c. Complete family size – 4
d. CPR – 60
104q: all are true regarding common source epidemic except ?
a. sudden onset
b. all the people are affected at the same time
c. more commonly seen in children
d. abrupt end
105q: recording the data of births and deaths in a community continuosly after 6 months survey is known as ?
a. sample registration system
b. data linkage
c. hospital records
d. notificatioin system
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