Some Plants Have a Root System That May Be as Much

question 12

Multiple Choice

Some plants have a root system that may be as much as 130 times larger than the shoot system.What is a major function of this vast root structure?

• A) To support the aboveground plant structure
• B) To enable regrowth if the shoot system is destroyed
• C) To provide surface area for absorbing water and soil nutrients
• D) To provide habitat for soil organisms that protect the plant
• E) To provide protection against potentially damaging soil organisms

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Definitions:

Ethylene

A hydrocarbon gas (C2H4) that acts as a plant hormone, influencing growth, development, and responses to environmental stress.

Stimulate

To encourage or cause an increase in activity or a process, often leading to a desired response or function.

Inhibit

To inhibit is to prevent or decrease the rate of a process or reaction, often used in the context of biological mechanisms or chemical reactions.

F-box Protein

Proteins characterized by an F-box motif that are critical in targeting molecules for proteolytic degradation via the ubiquitin-proteasome pathway.