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Environmental Issues. — Bio Zoology STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12Bio ZoologyEnvironmental Issues.1 Mark
MCQ
E-Wastes are basically ________
  • A
    Poly iodinated biphenyl based compounds
  • B
     Poly chlorinated biphenyl based compounds
  • ✓
    Poly hydroxy biphenyl based compounds
  • D
     Poly acetyl biphenyl based compounds
✓

Answer

Correct option: C.
Poly hydroxy biphenyl based compounds
Poly hydroxy biphenyl based compounds

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