Q. The technology used in the electronic printer is called -
1) Micro encapsulation
2) Micro technology
3) Micro array
4) Micro millimetric
Q. Which of the following can be found as pollutants in the drinking water in some parts of India?
Select the correct answer using the code given below :
1. Arsenic
2. Sorbitol
3. Fluoride
4. Formaldehyde
5. Uranium
1) 1 and 3
2) 1,2,3,4 and 5
3) 2,4 and 5
4) 1,3 and 5
Q. Which of the following is a prime health risks associated with greater UV radiation through the atmosphere due to depletion of stratospheric ozone ?
1) Damage to digestive system
2) Increased liver cancer
3) Neurological disorder
4) Increased skin cancer
Q. Which of the following is not a primary contributor to the green house effect ?
1) Carbon dioxide
2) Carbon monoxide
3) Chlorofluorocarbons
4) Methane gas
Q. The increase in the concentration of CO2 in our environment in last fifty years; since 1960 is about—
1) 20%
2) 10%
3) 14%
4) 6%
Q. Which of the following are the example of Municipal and industrial discharge pipes ?
1) Nonpoint sources of pollution
2) Violations of the Clean Water Act.
3) Point sources of pollution
4) Irrigation
Q. The presence of high coliform counts in water indicate -
1) contamination by human wastes
2) phosphorus contamination
3) decreased biological oxygen demand
4) hydrocarbon contamination
Q. Which of the following is not as a consequence of global warming ?
1) Rising sea level
2) Increased agricultural productivity worldwide
3) Worsening health effects
4) Increased storm frequency and intensity
Q. How the biological oxygen demand gets affected with the increased presence of organic matter in water ?
1) The oxygen demand increases
2) The oxygen demand decreases
3) The oxygen demand remains unchanged
4) None of the above
Q. The most serious environmental effect posed by hazardous wastes is -
1) air pollution
2) contamination of groundwater
3) increased use of land for landfills
4) destruction of habitat
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