Environmental Science MCQs

Question 1

The indoor pollutant radon which is a radioactive gas causes

Accepted Answer

lung cancer

Answer

anemia

Answer

hormone disorder

Answer

cardiac arrest

Question 2

Hypothermia is most common in:

Accepted Answer

Cold, wet weather

Answer

Hot, humid weather

Answer

Hot, dry weather

Answer

Cold, dry weather

Question 3

The earth is tilted at an angle of 23.5o with respect to the plane of its orbit around the sun. If the amount of tilt were increased to 40o, we would expect in middle latitudes:

Accepted Answer

Hotter summers and colder winters than at present

Answer

Cooler summers and milder winters than at present

Answer

Hotter summers and milder winters than at present

Answer

Cooler summers and colder winters than at present

Question 4

Which of the following is correctly matched?

Accepted Answer

House lizard -Autotomy

Answer

Butterfly - Camouflage

Answer

Garden lizard -Mimicry

Answer

None of these

Question 5

Flora is the __________ life occurring in a particular region or time

Accepted Answer

plant

Answer

animal

Answer

human

Answer

microbial

Question 6

Non-biodegradable pollutants are created by

Accepted Answer

humans

Answer

nature

Answer

excessive use of resources

Answer

natural disasters

Question 7

Respiratory roots are known as

Accepted Answer

pneumatophores

Answer

velamen

Answer

hydathodes

Answer

prop roots

Question 8

The conversion of a pond to a climax forest community is an example of

Accepted Answer

hydrarch succession

Answer

xerarch succession

Answer

mesarch succession

Answer

all of these

Question 9

Which of the following is a nonrenewable energy resource?

Accepted Answer

Coal

Answer

Solar

Answer

Methane

Answer

Hydroelectric