Question

i. Plastic is beneficial for soil microorganisms.
ii. Most of the industrial waste can be recycled.
iii. Material recovery is possible from domestic waste.
iv. We cannot generate anything through pyrolysis.
v. Thermocol is a non-biodegradable waste.

Choose the false statements from the above list.

• A. i, ii, iv
• B. ii, iii, v
• C. i, iii, iv
• D. ii, iii, iv

Answer 1

The correct option is C i, iii, iv

Statements i, iii and iv are false.

1. Plastics are non-biodegradable. They are made of toxic substances which kill the soil microbes.
2. Industrial waste consists of metals, chemicals, etc., which can be reused in different ways.
3. Domestic waste decomposes completely. For example: we will not be able to recover fruit from domestic waste.
4. Energy is generated during pyrolysis.
5. Thermocol cannot be broken down by the action of microorganisms. They are non-biodegradable waste.