EASY
Earn 100

The primary source of organic pollution in freshwater bodies is:
(a)Run-off urban areas
(b)Run-off from agricultural forms
(c)Sewage effluents
(d)Industrial effluents

50% studentsanswered this correctly
Important Questions on People, Development and Environment
EASY
Which of the following is NOT a greenhouse gas?

EASY
Which of the following gases are not responsible for the greenhouse gas effect on Earth?

EASY
Which of the following is not a component of smog?

MEDIUM
Methane contributes towards global warming so it is called a _____ gas.

EASY
Soil erosion can be prevented _____.

EASY
What was the aim of Ganga Action Plan initiated by the Union Government?
1. Streamlining the flow of the Ganga River.
2. Reduction of Pollution on Ganga River.
3. Efficient use of Ganga water for irrigation.
4. Using Ganga River for generating hydel energy.

HARD
Which constituent of the atmosphere is likely to change if the forest cover is removed?

EASY
Which of the following cities has been worst affected by urban smog in recent times?

EASY
Environmental pollution is caused by _____.

EASY
Radioactive pollution is due to _____.

EASY
Which of the following statements is not an objective of teaching EVS at the primary level?

EASY
The pollutant responsible for ozone holes is_____.

EASY
The main pollutant of the Indian coastal water is:

EASY
Arrange Column-II in the proper sequence to match it with Column-I. Choose the correct answer from the code given below:
Column I (Activity) | Column II (Noise level) |
(a) Hearing | (i) |
(b) Whispering | (ii) |
(c) Interference with | (iii) sleep |
(d) Normal talk | (iv) |

EASY
'Lahar' is a natural disaster involving:

EASY
The depletion of Ozone layer is mainly due to_____.

MEDIUM
The pollutants which came directly in the air from sources are called primary pollutants. Primary pollutants are sometimes converted into secondary pollutants. Which of the following belongs to secondary air pollutants?

EASY
Bitumen is obtained from:

EASY
One of the anthropogenic sources of gaseous pollutants chlorofluorocarbons (CFCs) in the air is:

EASY
The urbanization process accounts for the wind in the urban centers during nights to remain:

