Biomass Energy Quiz 5 (15 MCQs)

Quiz Instructions

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1. A fuel cell combine ..... and ..... to produce electricity, heat and water.
2. ..... act as a fuel in fuel cell to generate electricity by reduction and oxidation reactions.
3. Syngas is a mixture made of hydrogen, carbon dioxide, and carbon monoxide and formed by a simple reaction between coal and?
4. Cannot make its own food
5. Which of the following is not a way that biomass is lost between trophic levels?
6. Is Biomass hepful to the enviroment?
7. Where does biomass fuel come from?
8. Greenhouse gases add to global warming by trapping some of the heat reflected by the Earth in the?
9. What is one negative effect of producing more ethanol for use as fuel?
10. Biomass is the most common fuel for
11. A population of mice lives in a barn community. A cat population has just joined the community. What will happen?
12. During what time period was biomass energy first used
13. Pick out the odd one from fixed bed gasifier?
14. This is when organisms move up the food chain & each trophic level consumes 10 times more mercury than the last.
15. All food webs and food chains begin with .....