In the following groups of materials, which group(s) contains only non-biodegradable items?
I. Wood, paper, leather
II. Polythene, detergent, PVC
III. Plastic, detergent, grass
IV. Plastic, bakelite, DDT

III

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I and III

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II and IV

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Solution

The correct option is D II and IV
Polythene, detergent, PVC, plastic, bakelite and DDT are non-biodegradable. Non - biodegradable wastes are those which cannot be degraded or decomposed by the action of biological decomposers i.e., bacteria and fungi.

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Similar questions

Q. In the following groups of materials, which group contains only non-biodegradable items?
(i) Wood, paper, leather
(ii) Polythene, detergent, PVC
(iii) Plastic, detergent, grass
(iv) Plastic, bakelite, DDT

Question 12
In the following groups of materials, which group(s) contains only non-biodegradable items?
(i) Wood, paper, leather
(ii) Polythene, detergent, PVC
(iii) Plastic, detergent, grass
(iv) Plastic, bakelite, DDT

(a) (iii)
(b) (iv)
(c) (i) and (iii)
(d) (ii) and (iv)

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2. Polythene, detergent, PVC
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In the following groups of materials, which group(s) contains only non-biodegradable items? I. Wood, paper, leather II. Polythene, detergent, PVC III. Plastic, detergent, grass IV. Plastic, bakelite, DDT

The correct option is D II and IVPolythene, detergent, PVC, plastic, bakelite and DDT are non-biodegradable. Non - biodegradable wastes are those which cannot be degraded or decomposed by the action of biological decomposers i.e., bacteria and fungi.

In the following groups of materials, which group(s) contains only non-biodegradable items?
I. Wood, paper, leather
II. Polythene, detergent, PVC
III. Plastic, detergent, grass
IV. Plastic, bakelite, DDT

The correct option is D II and IV
Polythene, detergent, PVC, plastic, bakelite and DDT are non-biodegradable. Non - biodegradable wastes are those which cannot be degraded or decomposed by the action of biological decomposers i.e., bacteria and fungi.