Teaching UGC NET Mock Test Series 2025 (Paper 1 & 2) People Development & Environment Environmental Issues Pollution
Which of the following are true about Polycyclic Aromatic Hydrocarbons (PAHs)?
A. They are potent carcinogenic air pollutants.
B. The are formed when minimum 10 (ten) benzene rings are fused together.
C. Formaldehyde is an example of PAH.
D. They are formed due to combustion of fossil fuels.
Choose the most appropriate answer from the options given below:
1
A and B Only
2
B and C Only
3
C and D Only
4
A and D Only