WorksheetsUnit 3-Environmental Pollution and Solid Waste Management ECE-C
Total questions: 10
Worksheet time: 10mins
Which of the following is a human source of radioactive materials?
Surface runoff from farms
Nuclear power plants
Land erosion
Household cleansers
Which of the following is an example of a radioactive isotope?
Soil
Radon
Nitrate
Ammonium ions
Which of the following is a non-point source of water pollution?
Oil tankers
Factories
Runoff of chemicals into surface water from croplands
Sewage treatment plants
What is the current global temperature increase compared to 1900?
0.5°C
1°C
2°C
3°C
Which decade was confirmed as the warmest in the past 1000 years?
1980 to 1989
1990 to 1999
2000 to 2009
2010 to 2019
What is ozone composed of?
Two atoms of oxygen
Three atoms of oxygen
One atom of oxygen and one atom of nitrogen
Two atoms of oxygen and one atom of nitrogen
Which of the following organisms is most affected by UV radiation due to ozone layer depletion?
Large mammals
Plankton in the sea
Birds
Reptiles
What is the net effect of the reaction involving chlorine and ozone in the stratosphere?
Formation of oxygen molecules
Destruction of ozone molecules
Production of chlorine mono-oxide
Increase in ozone concentration
How does acid rain affect buildings and monuments?
It causes corrosion of materials like CuSO4 and MgSO4.
It strengthens the structural integrity of buildings.
It prevents the growth of moss on monuments.
It reduces the need for maintenance.
What are the three main types of solid wastes based on their origin?
Urban, Industrial, and Hazardous wastes
Domestic, Agricultural, and Medical wastes
Recyclable, Non-recyclable, and Biodegradable wastes
Organic, Inorganic, and Toxic wastes
