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Our Environment — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10ScienceOur Environment1 Mark
MCQ
Out of these, which group has biodegradable wastes?
  • A
    $\text{DDT},$ Mercury, lead
  • B
    Plastic, polyethene, $\text{DDT}$
  • ✓
    Leather, paper, cloth
  • D
    Synthetic fibres, aluminium cans, wood
✓

Answer

Correct option: C.
Leather, paper, cloth
Biodegradable is the waste which can be degraded by the activity of microbes. The leather is obtained from the skin of the animals which is degradable. Paper is made from the wood and contains the cellulose which can be degraded by the microbes producing cellulase. Cloth contains cellulosic fibres which can be broken down by the microbes.

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