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Question 14

Put a tick (right) against the garbage items given in table which could be converted into manure. Put a cross (Wrong) against the others.

Garbage itemsMake manure or notGarbage itemsMake manure or not(i) Egg shells(vi) Nails and screws(ii) Straw(vii) Plastic bangles(iii) Dry flowers(viii) Left-over-food(iv) Pebbles(ix) Steel broken vessel(v) Broken pieces of glass(x) Dead animals


Solution

Biodegradable wastes are the waste materials that can be broken down into simpler organic molecules by micro-organisms. Waste materials like vegetable peels, waste food, leaves, flowers, dead matter, eggshells etc. are biodegradable. They can be recycled and converted into manure by burying them in compost pits.

The table below shows whether the garbage items given in the list can be converted into manure or not.

Garbage itemsMake manure or not(i) Egg shells(ii) Straw(iii) Dry flowers(iv) Pebbles×(v) Broken pieces of glass×(vi) Nails and screws×(vii) Plastic bangles×(viii) Left over food(ix) Steel broken vessel×(x) Dead animals


Biology
NCERT Exemplar
Standard VI

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