| (i) Polynuclear hydrocarbons contain two or more benzene rings fused together. |
| (ii) Polynuclear hydrocarbons have carcinogenic property. |
| (iii) Polynuclear hydrocarbons are formed on incomplete combustion of organic materials like tobacco, coal and petroleum. |
| (iv) They are also produced in human body due to various biochemical reactions. |
A) (i), (ii) and (iv)
B) (i), (iii) and (iv)
C) (ii), (iii) and (iv)
D) (i), (ii) and (iii)
Correct Answer: D
Solution :
[d] Polynuclear hydrocarbons are not produced in human body by any biochemical reaction as when they enter into human body they undergo various biochemical reactions which finally damage DNA and cause cancer.
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