Environmental Science (3110007) MCQs

MCQs of Environmental pollution

Showing 11 to 20 out of 28 Questions
1 2 3
11.

The worst natural hazards in the tropics are:

(a)

Tropical cyclones
(b)

Tsunami
(c)

Floods
(d)

None of the above
Answer:

Option (a)

12.

Which element present in the drinking water can lead to various fatal diseases?

(a)

Calcium
(b)

Arsenic
(c)

Phosphorus
(d)

None of the above
Answer:

Option (b)

13.

Hepatitis A is a type of:

(a)

Water-borne disease
(b)

Air-borne disease
(c)

Food contamination
(d)

Both (a) and (c)
Answer:

Option (d)

14.

Areas that are under the influence of DDT may observe a decline in the population of birds. This is due to the fact that

(a)

Birds stopped laying eggs altogether
(b)

The eggs did not hatch
(c)

Predation of the eggs increased
(d)

None of the above.
Answer:

Option (b)

15.

Measuring BOD (biological oxygen demand) is primarily used for

(a)

Estimating the types of microbes
(b)

Determine the level of dissolved oxygen
(c)

Estimating the quantity of organic matter in sewage water
(d)

None of the above
Answer:

Option (c)

16.

Cosmic rays, such as gamma rays are a source of

(a)

Soil Pollution
(b)

Noise Pollution
(c)

Thermal Pollution
(d)

Radiation pollution
Answer:

Option (d)

17.

The presence of _________ in a water body is an indicator of water pollution.

(a)

Zygosporangium
(b)

E.Coli
(c)

Deinococcus radiodurans
(d)

None of the above
Answer:

Option (b)

18.

Eggshells of birds become unusually thin when exposed to the pesticides in their environment. The protein that gets affected is ________

(a)

Calmodulin
(b)

Cysteine
(c)

Serine
(d)

None of the above
Answer:

Option (a)

19.

A moth having a speckled wing, able to blend into its background due to its dark colouration is called

(a)

Industrial melanism
(b)

Adaptation
(c)

Adaptation
(d)

Evolution

 
Answer:

Option (a)

20.

Interdisciplinary nature of EVS addresses environmental issues by using the contents and methods of:

(a)

Science and Social Science
(b)

Social Science & Environmental Education
(c)

Science
(d)

Science, Social Science & Environmental Education
Answer:

Option (c)

Showing 11 to 20 out of 28 Questions
1 2 3