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