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Biodiversity, Conservation and Environmental Issues — BIOLOGY STD 12 Science — Question

Maharashtra BoardEnglish MediumSTD 12 ScienceBIOLOGYBiodiversity, Conservation and Environmental Issues1 Mark
MCQ
Choose the correct statement
  • A
    Concentration of DDT in the water declined with the passing time.
  • B
    Concentration of DDT in the water remains the same over many years without any effect.
  • C
    If concentration of DDT starts at 0.003 ppb in water, it can ultimately reach 25 ppm in fish-eating birds.
  • D
    If concentration of DDT is 25 ppm in water, in fish-eating bird population it reduces to 0.003 ppb later.
✓

Answer

If concentration of DDT starts at 0.003 ppb in water, it can ultimately reach 25 ppm in fish-eating birds

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