Environmental Science MCQs

Question 1

The animal which consumes decaying organic matter is _________

Accepted Answer

Detritivore

Answer

Carnivore

Answer

Herbivore

Answer

Producers

Question 2

Which one of the following environmental pollutants has the problem of biomagnifications?

Accepted Answer

Hg fungicides

Answer

SO2

Answer

NO3

Answer

O3 and CO2

Question 3

Bell-shaped polygonal pyramid indicates

Accepted Answer

moderate percentage of young individuals

Answer

low percentage of young individuals

Answer

high percentage of young individuals

Answer

low percentage of old individuals

Question 4

The Gulf Coast states are more humid in summer than the coastal areas of Southern California mainly because of the:

Accepted Answer

Higher water temperature in the Gulf of Mexico

Answer

Higher air temperature in the Gulf States

Answer

Lower air temperature in Southern California

Answer

Low relative humidity of the air over the Pacific Ocean

Question 5

A river with high BOD value is

Accepted Answer

highly polluted

Answer

highly clean

Answer

highly productive

Answer

none of these

Question 6

The name given to a liquid drop of dew that freezes when the air temperature drops below freezing is:

Accepted Answer

Answer

Frost

Answer

Black frost

Answer

Hoarfrost

Answer

White frost

Question 7

"Ozone Hole" is a _____________

Accepted Answer

Destruction of ozone layer

Answer

Hole in the atmosphere

Answer

Hole in the hydrosphere

Answer

Hole in the troposphere

Question 8

The maintenance of relatively constant internal environment is called

Accepted Answer

Homeostasis

Answer

Exotherms

Answer

Homeobox

Answer

Endotherms

Question 9

The only ape found in India

Accepted Answer

Hoolock gibbon

Answer

Gorilla

Answer

Chimpanzee

Answer

Oranguttan