Biomass Flashcards
1
Q
What do plants use to synthesise organic compounds?
A
Plants synthesise organic compounds from atmospheric, or aquatic,
carbon dioxide.
2
Q
What are sugars synthesised by plants used for?
A
used as respiratory
substrates and to make other groups of biological
molecules, forming the biomass of the plant
3
Q
Define biomass
A
Biomass is the total mass of living material in a specific area at a given time
4
Q
What does dry biomass represent?
A
Dry biomass shows the chemical energy store in an organism and can be measured by the process of calorimetry
5
Q
How do you conduct calorimetry?
A
A dry sample
is weighed and burnt in pure oxygen within a sealed chamber, the temperature increase of the fixed volume of water is used to
calculate the energy released
