DDT NEET Questions

Organic Chemistry - Organic Compounds Containing Halogens

DDT MCQ Questions


1.
What is DDT primarily used for?
A.
Pesticide
B.
Herbicide
C.
Fertilizer
D.
Antibiotic
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ANSWER :
A. Pesticide
2.

Which of the following is the chemical formula for DDT?

A.

C6H5Cl3

B.

C14H9Cl5

C.

C8H10Cl2

D.

C6H4Cl3

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ANSWER :

A. C6H5Cl3

3.
Why is DDT considered an environmental concern?
A.
It is highly toxic to humans
B.
It bioaccumulates in the food chain
C.
It is biodegradable
D.
It has no long-term effects
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ANSWER :
B. It bioaccumulates in the food chain
4.
DDT belongs to which class of chemicals?
A.
Organochlorines
B.
Organophosphates
C.
Carbamates
D.
Pyrethroids
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ANSWER :
A. Organochlorines
5.
What is the primary method by which DDT enters the environment?
A.
Aerosol dispersal
B.
Water contamination
C.
Airborne dispersal
D.
Use as a solid pesticide
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ANSWER :
B. Water contamination
6.
Which of the following is a major reason for banning DDT in many countries?
A.
It persists in the environment and bioaccumulates
B.
It causes soil erosion
C.
It is a highly effective fungicide
D.
None of the above
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ANSWER :
A. It persists in the environment and bioaccumulates