Environmental Science MCQs

Question 1

Habitat loss and fragmentation, over exploitation, alien species invasion and co extinction are causes for

Accepted Answer

Answer

Population exploitation

Answer

Pollution

Answer

Migration

Answer

Ecological succession

Question 2

Drinking of fluoride containing water results :

Accepted Answer

fluorosis

Answer

chlorosis

Answer

minemata

Answer

methaemoglobinema

Question 3

The amount of solar radiation reaching the surface of the earth is called

Accepted Answer

Solar flux

Answer

reflected light

Answer

minerals

Answer

solvents

Question 4

The lag in daily temperature refers to the time lag between the:

Accepted Answer

Time of maximum solar radiation and the time of maximum temperature

Answer

Time of minimum temperature and the time of maximum solar radiation

Answer

Minimum and maximum temperature for a day

Answer

Minimum and maximum solar energy received at the surface for a given day

Question 5

The study of minerals is called

Accepted Answer

mineralogy

Answer

geology

Answer

mining science

Answer

metallurgy

Question 6

MoEF means

Accepted Answer

Ministry of Environment and Forests

Answer

Ministry of Forest and Energy

Answer

Ministry of Fuel and Energy

Answer

Management of Environment and Forestry

Question 7

During a radiation inversion, wind machines

Accepted Answer

All of the above

Answer

Bring warm air down toward the surface

Answer

Lift cool, surface air to higher altitudes

Answer

Mix the air near the ground

Question 8

Which of the following will increase in a rising parcel of air?

Accepted Answer

Relative humidity

Answer

Saturation vapor pressure

Answer

Mixing ratio

Answer

Air temperature

Question 9

The maximum pressure that water vapor molecules would exert if the air were saturated is called the:

Accepted Answer

None of the above

Answer

Absolute humidity

Answer

Boiling point

Answer

Mixing ratio