The Plant Hormone That Promotes Cell Division in Roots and Shoots

question 25

Multiple Choice

The plant hormone that promotes cell division in roots and shoots is

• A) auxin.
• B) gibberellin.
• C) cytokinin.
• D) abscisic acid.
• E) ethylene.

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Definitions:

Marginal Tax

The additional tax paid on an additional dollar of income, used in progressive tax systems to tax higher incomes at higher rates.

Proportional

A relationship or ratio between two quantities where they change at the same rate.

Tax Rate

The proportion of income that a person or business must pay in taxes.

Digressive

Characteristics of a process or system that decreases in intensity or rate as it progresses.