Bioswales Test

Bioswales Test
Please fill out your email address in the first box and your name, ISA cert. no. in the second box. Answer the questions below and when you are finished, press submit.

Email Address :
Name :

Question: 1. Nature cleans rainwater runoff by using:
vegetated depressions.
wetlands.
marshes.
all of the above.

Question: 2. Pollutants, nutrients, and the smallest soil particles are removed by:
vegetation uptake.
natural flocculation.
ionic attraction.
all of the above.

Question: 3. Bioswale is:
a downspout.
any vegetated ditch.
a paved ditch.
all of the above.

Question: 4. Bioswales:
improve water quality.
increase habitat for wildlife.
reduce stream bank and channel erosion.
all of the above.

Question: 5. Use bioswales:
in parking lots.
along the edge of any hard impervious surface.
at downspouts.
all of the above.

Question: 6. The most effective bioswale at removing pollutants is:
U shape.
V shape.
trapezoid shape.
all of the above.

Question: 7. Which item is not in order for bioswale design:
utilize existing natural drainage swales.
consider both the peak and duration of storms.
deal with runoff overflow.
consider the design capacity.

Question: 8. Sedimentation comes through:
increased flow.
ion exchange.
artificial flocculation.
all of the above.

Question: 9. Some types of vegetation to consider are:
rushes.
reed.
clover.
all of the above.

Question: 10. Vegetation in the bioswale should be trimmed:
weekly.
monthly.
annually.
never.

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