HOW DO PLANTS WORK?
False
Food production from plants is currently near its maximum potential — worldwide.
True
God designed plants to maintain not only their own foods needs, but provide food energy for the world of living things.
Nicholas de Saussure
The first chemist to begin quantifying the process of photosynthesis was:
100 billion people
The greatest number of people plants have the potential to feed, according to some agronomists is:
sunlight
Ingenhousz found that air would be purified only when green plants were in ___________.
loss of soil mass < gain of plant mass gain of plant mass related to water
Jan Baptista's experiments showed:
energy
The ___________ requirements of all organisms worldwide are linked to the sun by photosynthesis.
agronomy
The science which develops and studies plant varieties and production is called _____________.
oxygen
an atmospheric gas; a by-product of the light reaction of photosynthesis
carbon dioxide
an atmospheric has made of one carbon atom for each two oxygen atoms
organic
produced by organisms as opposed to nonliving chemical processes
True
Agronomists are scientists who work to develop crops that produce more or better foods.
agronomy
An agricultural science that deals with crop production and improvement.
they all contain C, O, H the ration of H to C is fixed at 2:1
Concerning carbohydrates:
False
Current populations experiencing famine are primarily the result of lack of land to grow more plants.
carbon dioxide
De Saussure's experiments demonstrated the importance of water and ______________ to green plants.
False
Nearly all the mass of plants comes from well fertilized soil.
True
Plants harvest only a small portion of the sun's energy.
plants are associated with O2 animals require O2
Priestly's experiments explained:
they are various forms of sugar they are all carbohydrates they are all related to photosynthesis
What do glucose, starch and cellulose have in common?
carbohydrates
What general type of plant food is produced by photosynthesis?
plant mass related to H2O conclusions partly correct
Which conditions relate to the research of van Helmont
True
Without plants there would be no food for the earth.
ADP
a chemical energy compound with two phosphate groups found in living cells
carbohydrate
a food made up of carbon, hydrogen, and oxygen
chlorophyll
the green chemical that makes green plants green