HARD
12th Odisha Board
IMPORTANT
Earn 100

Express in one word:

Enrichment of water bodies with excess amount of nutrients as a result of runoff from surrounding land leading to overgrowth of plants and algae.

Important Questions on Environmental Issues

HARD
12th Odisha Board
IMPORTANT

Express in one word:

 A kind of air pollutant named for the mixture of smoke and fog in the air.

MEDIUM
12th Odisha Board
IMPORTANT

Correct statement, if necessary, by changing underlined word(s) only:

Fifth June of each year is usually observed as World Food Security Day.

HARD
12th Odisha Board
IMPORTANT

Correct statement, if necessary, by changing underlined word(s) only:

The process of nutrient enrichment in water bodies is called as biomagnification.

HARD
12th Odisha Board
IMPORTANT

Correct statement, if necessary, by changing underlined word(s) only:

Particulate matter formed by the combination of gas and water vapour is called as smog.

MEDIUM
12th Odisha Board
IMPORTANT

Correct statement, if necessary, by changing underlined word(s) only:

Chipko movement was organised for the protection of water bodies.

HARD
12th Odisha Board
IMPORTANT
The environment Protection Act was enacted in the year _____.
EASY
12th Odisha Board
IMPORTANT
The common refrigerant responsible for the depletion of ozone layer of the atmosphere is _____ .
HARD
12th Odisha Board
IMPORTANT
Carbon monoxide binds with haemoglobin forming _____.