Q.Explain what is meant by segregation of solid waste at source. Why is separating waste into biodegradable, non-biodegradable and recyclable categories important for effective waste management?

This keeps compostable waste clean for composting and recyclables uncontaminated for recycling.

Segregation of waste at source means dividing waste into separate categories -- typically biodegradable (kitchen/food waste, garden trimmings), non-biodegradable (most plastics and similar material that does not decompose naturally), and recyclable (paper, glass, metal, certain plastics) -- at the very place the waste is generated, before it is collected and mixed together. This is important because once different kinds of waste are mixed, sorting them apart afterwards is far more difficult, costly and often incomplete. Segregation keeps biodegradable waste clean and available for composting or vermicomposting; keeps recyclable material uncontaminated (mixed-in food waste can spoil paper or reduce the value of recyclable plastic); and shrinks the volume of genuinely unusable residual waste that must ultimately be sent to a landfill.

Explain segregation as a 'before mixing' step and connect each of the three streams to what happens to it next (biodegradable -> compost, recyclable -> recycling, non-biodegradable -> landfill) to show you understand why the sorting matters, not just that it happens.

Do not just say 'segregation means separating waste' without naming the actual categories (biodegradable/non-biodegradable/recyclable) or explaining why sorting at the source, rather than later, is more effective.