Question

What are bio-mass fuels?

• A. source of plants and animal products which are used as fuel are called bio mass
• B. biologically developed fuel by scientists in labs are called as bio mass
• C. fuel sources from outer space are termed as bio mass
• D. all of these

Answer 1

The correct option is A

source of plants and animal products which are used as fuel are called bio mass

Biogas is obtained by the decomposition of organic matter in the absence of oxygen, such as sewage, plant waste, solid waste from agriculture or industries and manure. Biogas is a biomass fuel as it is obtained from decomposition of organic waste.