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Question

Plastic is one of the most harmful ______ waste.


A
Biodegradable 
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B
Non-biodegradable
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C
Biotic
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D
Abiotic
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Solution

The correct option is B Non-biodegradable
The substances which can be easily decomposed by natural decomposers are called biodegradable wastes, such as human and animal excreta, plant wastes, etc. On the other hand, the substances that cannot be decomposed by the natural decomposers and harm the environment are called non-biodegradable, such as plastics, nuclear wastes or radioactive wastes, chemical wastes like DDT, etc. Abiotic is the non-living component of the ecosystem which consists air, water, sunlight, etc. Biotic is the component of an ecosystem which consists of all living things like animals and plants.
Thus, the correct answer is option B.

Chemistry

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