Environmental Science MCQs

Question 1

Conservation within the natural habitat is

Accepted Answer

insitu conservation

Answer

exsitu conservation

Answer

invivo conservation

Answer

exvivo conservation

Question 2

Low level ozone is referred to as __________ ozone.

Accepted Answer

tropospheric

Answer

stratospheric

Answer

ionosperic

Answer

exospheric

Question 3

The main atmospheric layer near the surface of earth is

Accepted Answer

troposphere

Answer

mesophere

Answer

ionosphere

Answer

stratosphere

Question 4

Water used for paper mills should not contain

Accepted Answer

iron

Answer

magnesium

Answer

sodium

Answer

chlorine

Question 5

Blue revolution is associated with

Accepted Answer

Fishing

Answer

Agriculture

Answer

Iron and steel

Answer

Irrigation

Question 6

Which of the following can be used as a method of protecting an orchard from damaging low temperatures during a radiation inversion?

Accepted Answer

All of the above

Answer

Orchard heaters

Answer

Wind machines

Answer

Irrigation (cover the area with water)

Question 7

According to Wein's displacement law, the wavelength at which maximum radiation occurs

Accepted Answer

Is inversely proportional to the temperature

Answer

Is proportional to the temperature

Answer

Is inversely proportional to the pressure

Answer

Is proportional to the pressure

Question 8

Which one of the following statements for pyramid of energy is incorrect, whereas the remaining three are correct?

Accepted Answer

It is inverted in shape

Answer

It is upright in shape

Answer

Its base is broad

Answer

It shows energy content of different trophic level organisms

Question 9

When a liquid thermometer is held in direct sunlight,

Accepted Answer

It will measure a much higher temperature than that of the air

Answer

It will accurately measure the air temperature

Answer

It will measure a much lower temperature than that of the air

Answer

It will measure the temperature of the sun rather than the air