Question

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, bakelitC DDT
(a) (iii)
(b) (iv)
(c) (i) and (iii)
(d) (ii) and (iv)

Answer 1

Answer:

3rd option is correct because mostly detergent or non biodegradable

Answer 2

The correct answer is (d) (ii) and (iv)

Explanation:

• Non-biodegradable items are the materials which can not be broken down into simpler and nontoxic and usable form by natural process.  
• Biodegradable items are the material that can be degraded into a usable form in nature by microbes and other organisms.
• Some of the examples of non-biodegradable items are Plastic bags, plastic bottles, detergents, bakelite, DDT, PVC, glass, computer parts, batteries, metals, etc.  
• Wood, paper, leather, grass are biodegradable items. Therefore option d is correct.

Learn more about bio degradation:

• https://brainly.in/question/6659697