DDT NEET Questions

Organic Chemistry - Organic Compounds Containing Halogens

DDT MCQ Questions


1.
DDT stands for:
A.
Dichloro-diphenyl-tetrachloroethane
B.
p,p'-Dichlorodiphenyltrichloroethane
C.
Dibromo-diphenyl-trichloroethane
D.
Diphenyl-dichloro-trichloromethane
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ANSWER :
B. p,p'-Dichlorodiphenyltrichloroethane
2.
DDT is classified as:
A.
Chlorinated organic insecticide
B.
Fluorinated antifungal agent
C.
Brominated organic herbicide
D.
Iodinated antibacterial agent
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ANSWER :
A. Chlorinated organic insecticide
3.
Who discovered the insecticidal properties of DDT?
A.
Louis Pasteur (in 1848)
B.
Alexander Fleming (in 1928)
C.
Victor Grignard (in 1900)
D.
Paul Hermann Müller (in 1939)
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ANSWER :
D. Paul Hermann Müller (in 1939)
4.
DDT was first prepared in the year:
A.
1948
B.
1939
C.
1873
D.
1900
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ANSWER :
C. 1873
5.
Paul Müller received the Nobel Prize for the discovery of DDT's insecticidal properties in:
A.
1948 (Physiology or Medicine)
B.
1973 (Peace)
C.
1939 (Chemistry)
D.
1948 (Chemistry)
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ANSWER :
A. 1948 (Physiology or Medicine)
6.
Which company first commercially marketed DDT after Müller's discovery?
A.
Bayer (Germany)
B.
Geigy Pharmaceuticals (Switzerland)
C.
Roche (Switzerland)
D.
DuPont (USA)
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ANSWER :
B. Geigy Pharmaceuticals (Switzerland)