Environmental Sciences - Online Test

Q1. A correct explanation of this statement – “The LD50 of DDT is 87mg/kg, for rats, by mouth.” is …
Answer : Option D
Explaination / Solution:
No Explaination.


Q2. Full-cost pricin of gasoline refers to taxing gasoline by the gallon, as it is purchased, to cover the estimated harmful costs of driving. This tax as been extimated to be:
Answer : Option C
Explaination / Solution:
No Explaination.


Q3. An industry uses natural gas for manufacturing and uses the waste heat to produce electricity. This is an example of which of the following processes?
Answer : Option A
Explaination / Solution:
No Explaination.


Q4. A countrys current population is 100 million with an annual growth rate of 3.5%. If the growth rate remains constant, what will be the population in 40 years?
Answer : Option D
Explaination / Solution:
No Explaination.


Q5. Some automobiles in the United States are fueled by natural gas. What is the primary environmental advantage of natural gas relative to gasoline as a transportation fuel?
Answer : Option B
Explaination / Solution:
No Explaination.


Q6. Poverty can impact the environment on a global scale, because
Answer : Option B
Explaination / Solution:
No Explaination.


Q7. The term demographic transition refers to
Answer : Option C
Explaination / Solution:
No Explaination.


Q8. A coal fired combustion facility reports the following annual emissions for greenhouse gases: Carbon Dioxide - 500 t/y(m)Nitrous Oxide - 500 kg/yNatrual Gas - 5 t/y(m)Sulfur Hexafluoride - 50 g/yGreenhouse Warming Potentials (GWP) are: 21 for CH4, 300 for N2O, and 23,900 for SF6The CO2eq emissions are:
Answer : Option C
Explaination / Solution:
No Explaination.


Q9. Which of the following is the primary environmental problem associated with the use of nuclear power to generate electricity?
Answer : Option C
Explaination / Solution:
No Explaination.


Q10. The quickest, cheapest, and most effective way to reduce the buildup of carbon dioxide in the atmosphere is to
Answer : Option B
Explaination / Solution:
No Explaination.