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प्रश्न
The question has four options. Choose the correct answer:
Sewage water is purified by
पर्याय
microorganisms
light
fishes
aquatic plants
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उत्तर
microorganisms
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संबंधित प्रश्न
Identify biodegradable waste from the following:
peels of vegetables and fruits, metallic cans, broken plastic toys, broken glass cover, grass, paper, ball point pen refill
Give reason for the following :
Broken glass utensils are a kind of non-degradable waste.
Municipality provides two types of dustbins for garbage collection. One coloured with blue colour and other with green colour. From following wastes which you will put in the which dustbin?
Plastic materials, metals and glass items, wastes of plants and animals, peels of fruits and vegetables, dried leaves and twigs, remains of meat like flesh and bones.
Which of the following is biodegradable waste?
Which of the following is non- biodegradable?
Correct the definition of certain terms given below by changing only one word.
Compost: Substances converted into manure for use in industries.
To what use can you put the following kind of garbage and how?
Rotting smelly garbage
What happens when insecticides, motor oil, paints are poured down the drain?
Give two examples of Non-biodegradable wastes.
