Environmental Science MCQs

Question 1

Wild life is continuously decreasing. What is the main reason of this?

Accepted Answer

Destruction of habitat

Answer

Predation

Answer

Cutting down of forest

Answer

Hunting

Question 2

Which of the following is mainly responsible for the extinction of wild life

Accepted Answer

All of these

Answer

Pollution of air and water

Answer

Hunting of flesh

Answer

Destruction of Habitats

Question 3

The percentage of water vapour present in the air compared to that required for saturation is the:

Accepted Answer

Relative humidity

Answer

Mixing ratio

Answer

Absolute humidity

Answer

Dew point

Question 4

Major cause of Ozone depletion is due to which chemical?

Accepted Answer

ChloroFluoroCarbons

Answer

Polyphenols

Answer

Dioxins

Answer

Rayon

Question 5

Rain during November is more acidic than monsoon rain due to

Accepted Answer

dissolved SO2

Answer

dissolved CO2

Answer

dissolved NO2

Answer

none of the above.

Question 6

The formula for exponential population growth is

Accepted Answer

dN/dt = rN

Answer

dt/dN = rN

Answer

dN/rN = dt

Answer

rN/dN = dt

Question 7

The processes of condensation and freezing:

Accepted Answer

Both release sensible heat into the environment

Answer

Both absorb sensible heat from the environment

Answer

Do not affect the temperature of their surroundings

Answer

Do not involve energy transport

Question 8

Which of the following is an extinct species?

Accepted Answer

Dodo

Answer

Tiger

Answer

Lion

Answer

Ostrich

Question 9

_________ is the most inhuman of social crimes.

Accepted Answer

Dowry death

Answer

Rape

Answer

Kidnap

Answer

Robbery