Environmental Science MCQs

Question 1

If the amount of energy lost by the earth to space each year were not approximately equal to that received:

Accepted Answer

The atmosphere's average temperature would change

Answer

The length of the year would change

Answer

The sun's output would change

Answer

The mass of the atmosphere would change

Question 2

The sun emits its greatest intensity of radiation in:

Accepted Answer

The visible portion of the spectrum

Answer

The infrared portion of the spectrum

Answer

The ultraviolet portion of the spectrum

Answer

The x-ray portion of the spectrum

Question 3

The main reason why vegetables take longer to cook in boiling water at high altitudes is because:

Accepted Answer

The temperature of the boiling water decreases with increasing altitude

Answer

Water boils at a higher temperature with higher altitude

Answer

There is less oxygen in the air at high altitude

Answer

Saturation vapor pressure decreases with increasing altitude

Question 4

Frost typically forms on the inside of a windowpane (rather than the outside) because:

Accepted Answer

There is more water vapor touching the inside of the pane

Answer

The inside of the pane is colder than the outside

Answer

There is less water vapor touching the inside of the pane

Answer

None of the above

Question 5

Harnessing of nuclear energy often causes ________ pollution

Accepted Answer

Thermal

Answer

Air

Answer

Water

Answer

Noise

Question 6

The heating of earth's atmosphere due to trapped radiation is known as

Accepted Answer

Green House effect

Answer

Global warming

Answer

Glass-House effect

Answer

Thermal effect

Question 7

Aquatic life is damaged by

Accepted Answer

Thermal pollution

Answer

Sound pollution

Answer

Air Pollution

Answer

All of these

Question 8

Lines connecting points of equal temperature are called:

Accepted Answer

Isotherms

Answer

Isobars

Answer

Thermals

Answer

Thermographs

Question 9

Upper layer of water in a single body of water is known as

Accepted Answer

Epilimnion

Answer

Hypolimnion

Answer

Thermocline

Answer

Hydroline