37) The bark of which tree was very suitable in curing malaria in 17th century?
a) quina-quina
b) acasia
c) pinus
d) brassica
38) The similar tree to quina-quina was……….
a) cinchona
b) acasia
c) pinus
d)
brassica
39) It was found, that the bark of cinchona contain a chemical:
a) streptomycin
b) peneciline
c) quinine
d) chloroquine
40) The effective drugs against malaria in 17th to 20th century was:
a) streptomycin
b) quinine
c) penicillin
d) chloroquine
41) Laveran was a/an ……… physician.
a) English
b) Italian
c) French
d) Russian
42) Who first noticed the microorganism in the blood of malarial patient?
a) Ronald Ross
b) A. F. A. King
c) Laveran
d) Louis Pasture
