In Experiments with the Prairie Grass Andropogon, Root:shoot Ratios Proved

question 18

Multiple Choice

In experiments with the prairie grass Andropogon, root:shoot ratios proved to be

• A) higher in plants grown in poor soils.
• B) lower in plants grown in poor soils.
• C) equal in plants grown in poor and rich soils.
• D) higher in plants grown with mycorrhizae.
• E) equal in plants grown with and without mycorrhizae.

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Definitions:

Equilibrium GDP

The level of Gross Domestic Product where aggregate supply equals aggregate demand, indicating a balance in an economy's output and expenditures.

Full Employment GDP

The total market value of all final goods and services that could be produced in a year at full employment.

Multiplier

In economics, the factor by which gains in total output are greater than the change in spending that caused it, often used in the context of fiscal policy effects.

Equilibrium GDP

The level of GDP at which total supply and total demand in the economy are equal, resulting in no inherent tendency for the economy to change its level of output.