Question

Which of the following action or activity may causes undesirable effect to our environment?
i) Catching and keeping animals such as bird and cats at home.
ii) Feeding birds such as pigeon and crows in our neighbourhood.
iii) Burning unwanted plastic product in our neighbourhood o reduce non - biodegradable rubbish.
iv) Dumping biodegradable refuse such as fruit skins and bones in our sewage to make the water nutrients rich for healthy growth of flowering plants.

• A. iii and iv only
• B. ii and iv only
• C. ii, iii and daily
• D. i, ii, iii and D

Answer 1

The correct option is A iii and iv only

iii) Burning unwanted plastic product in our neighbourhood or reduce non-biodegradable rubbish.

• Burning of plastic causes air pollution due to the release of nitrogen oxides, sulphur dioxides and other particulate matter into the atmosphere.

iv) Dumping biodegradable refuse such as fruit skins and bones in our sewage to make the water nutrients rich for healthy growth of flowering plants.

• The above activity causes an undesirable effect on the environment.
• So, the correct answer is 'iii and iv only'.