Question

2. 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)(ii) and (iv)
(d) (i) and (iii)
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Answer 1

Answer:

correct answer is c

Explanation:

hope it helps you

Answer 2

Answer:

option c

Explanation:

in (ii)polythene;detergent and pvc is non biodegradable and in(jv)plastic bakellite and ddt.