A DALY

B Sullivan's Index

C IMR

D Survival index

A 1000-1500

B 1600-2000

C 2000-2500

D 2500-3000

A Riboflavin

B β-carotene

C Vitamin B12

D Xanthopyll

A Dieldrin

B Fenthion

C Diazinon

D All

A Vitamin D

B Vitamin B

C Vitamin C

D Vitamin A

A Stratified random

B Systematic random

C Simple random

D None of the above

A Typhoid

B Chicken pox

C Influenza

D Cholera

A Incidence in exposed and incidence in non exposed compared with incidence in non - exposed

B Incidence in population and incidence in exposed compared with incidence in population

C Incidence in population and incidence in non exposed compared with incidence in population

D Incidence in population and incidence in exposed compared with incidence in non exposed

A Matching

B Blinding

C Randomization

D Multivariate analysis

A 0,3,4,14,30,0

B 0,5,14,30,900

C 0,3,7,14,30,90

D 0,37,14,30,70