Quiz- Algae - 3 Production and Harvesting

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This quiz contains 3 questions. You can earn 10 points.
When you have answered all questions you will receive your score.

Good luck!

Which answer is correct? *

3 points

Algae need oxygen for growing

1 cubic meter of algae absorbs as much CO2 as 1000 square meters of forest

Algae can be used by the production of plastic

Algae cannot absorb nitrogen in wastewater

Especially under suboptimal conditions the algae experience stress and, as a result, they produce certain substances. Chose the right ones: *

4 points

starch

elastohydrates

pigments

trinitrotoluene

carotene

Which answer is correct: *

3 points

Lower pH means less acid

Higher pH means less acid

A coffee filter can be used for filtering kelp

A coffee filter can be used for filtering pico algae

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