A. Organic matter present in organisms
A.
B. Dead matter only
B.
C. Minerals in soil
C.
D. Fossil fuels
D.
Correct Answer: A
সঠিক উত্তর: A
Explanation
ব্যাখ্যা
The term 'biomass' refers to the total mass of living or recently living biological organisms and their byproducts in a given area or ecosystem. This organic material, such as plants, animals, wood, and waste, contains stored chemical energy from the sun (captured via photosynthesis) and can be used as a source of fuel.