Environmental Management — Practice

Question 1

Differentiate renewable and non-renewable resources with examples.

Accepted Answer

Renewable resources are naturally replenished (solar, wind); non-renewable resources are exhaustible (coal, petroleum).

Question 2

What is sustainable development?

Accepted Answer

Meeting present needs without compromising the ability of future generations to meet their own needs.

Question 3

Differentiate biodegradable and non-biodegradable waste.

Accepted Answer

Biodegradable waste is decomposed by microbes (food, paper); non-biodegradable waste is not (plastic, glass, metal).

Question 4

Expand and explain the 3 Rs.

Accepted Answer

Reduce (use less), Reuse (use again), Recycle (make new products from waste).

Question 5

What is e-waste and how should it be handled?

Accepted Answer

Discarded electronic items; they should be collected and recycled or disposed of safely through specialised facilities.

Question 6

Name two renewable sources of energy.

Accepted Answer

Solar energy and wind energy (also hydro, biomass).

Practice — Environmental Management