2. What can be inferred from the passage about penicillin?
(A) It effectively treats fungus infections.
(B) It was developed before nystatin.
(C) It was developed before the Second World War.
(D) One of its by-products is nystatin.
3. Why does the author mention Columbia University in line 10?
(A) Hazen and Brown developed nystatin there.
(B) Brown was educated there.
(C) Hazen did research there.
(D) It awarded a prize to Hazen and Brown.
4. The word both in line 11 refers to
(A) Hazen and Brown
(B) penicillin and streptomycin
(C) the Department of Health laboratories at Albany and New York
(D) double effect
5. What substance did Brown and Hazen analyze?
(A) Dirt
(B) Streptomycin
(C) Bacteria
(D) Penicillin
6. Who was W. B. Nourse?
(A) A microbiologist
(B) A teacher of Hazen's
(C) A collector of fungi
(D) A farmer
PASSAGE 43 BBCAA D
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