Stomata Close When

question 60

Multiple Choice

Stomata close when

• A) the abscisic acid level is high.
• B) the concentration of CO₂ in the leaf is low.
• C) the leaf is exposed to blue light.
• D) K⁺ moves into the guard cells.
• E) Cl^- moves into guard cells.

---

Definitions:

Economic Factors

Elements that influence economic performance and decision-making, including inflation, interest rates, economic growth, and government policies.

Inputs and Outputs

The terms refer to the information or materials that are put into a system (inputs) and the results or products that come out of the system (outputs).

Open Systems

A term referring to systems that interact with their environment, exchanging information, materials, or energy.

Value Chain

The sequence of activities carried out by organizations to create valued goods and services to consumers.