environment medium MCQ

Which of the following best describes 'Microplastics' as an emerging environmental concern?

  1. Large plastic items floating in oceans
  2. Plastic particles less than 5mm in size that persist in environment and enter food chains
  3. Biodegradable plastic alternatives
  4. Plastic waste that decomposes within a year

Answer: Plastic particles less than 5mm in size that persist in environment and enter food chains

Microplastics from degraded plastics, microbeads, and fibers accumulate in ecosystems, are ingested by organisms, and pose risks to wildlife and human health.

Topic Emerging Environmental Issues
Exam Relevance UPSC, SSC