Which Statement Is False

question 50

Multiple Choice

Which statement is false?

• A)The stomata open simply to allow carbon dioxide to enter the leaf, not as a result of environmental conditions.
• B)As carbon dioxide levels drop in guard cells, there is an influx of potassium.
• C)When potassium ions enter guard cells, water moves into the guard cells by osmosis.
• D)At night, in most plants carbon dioxide builds up in guard cells, resulting in the movement of potassium and water out of the guard cells.
• E)When the guard cells shrivel, the stomata are closed.

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Definitions:

Main Channels

The primary paths or courses taken by a river or stream within its bed, directing the majority of flow and often deeper than adjacent areas.

Discharge

The volume of water flowing through some stretch of a river or stream per unit of time.

Rate of Flow

The velocity at which a fluid (liquid or gas) moves through a channel, pipe, or porous medium.

Channel

A natural or artificial waterway through which water flows.