130 - AIIMS community medicine mcqs or social and preventive medicine mcqs ( spm or psm ) from all previous years AIIMS papers with answers - part 24

116q: low birth weight statistics of a hospital is best shown by ?

a. bar charts
b. histogram
c. pictogram
d. frequency polygon

 answer  b or d  . histogram or frequency polygon .

117q: all are indicators of faecal pollution of water except ?

a. e.coli
b. streptococcal faecalis
c. clostridium welchii
d. clostridium botulinum

 answer d. clostridium botulinum 

118q: chemical used in vaginal sponge is ?

a. ethinyl estradiol
b. progesterone
c. mifepristone
d. nonoxynol – 9

 answer d. nonoxynol – 9

119q: failure rate of contraceptive method is determined by ?

a. pearl index
b. half life
c. number of accidental pregnancies
d. period of contraceptive practice continued

 answer : a . pearl index . total accidental pregnancies / total months of exposure X 1200

120q: 4-8 qualified persons discuss a topic infront of a large audience , is an example of ?

a. symposium
b. panel discussion
c. work shop
d. group discussion

 answer  panel discussion .