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Class 12 Biology Practice Test: Microbes in Human Welfare - Bioenergy
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Bioenergy is produced from organic material, known as biomass, which contains carbon absorbed by plants through photosynthesis. When this biomass is used to produce energy, the carbon is released during combustion and returns to the atmosphere.

Class 12 Biology Practice Test: Microbes in Human Welfare - Bioenergy
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15 Questions

1. Pyrolysis of wood yields only yields alcohol.
2. Producer gas is obtained through the process of _________
3. The first petroplant discovered was ____________
4. Hydrocarbons were first isolated from plant latex by __________
5. Which of the following options does not include bad fuelwood?
6. Bioenergy is the energy obtained from ________
7. Which of the following options does not include bad fuelwood?
8. Which wood is more suitable for fuel?
9. Hydrocarbons were first isolated from plant latex by __________
10. Which of the following processes provide both energy and manure?
11. Which of the following are the types of bioenergy?
12. Raising crops for the production of ethanol is known as __________
13. Producer gas is obtained through the process of _________
14. Which of the following are the types of bioenergy?
15. Charcoal is the commonest source of energy.

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