Which Statement Is Accurate About How C₄ Plants Are Able

question 5

Multiple Choice

Which statement is accurate about how C₄ plants are able to survive hot, dry spells during the growing season?

• A) When the stomata close during heat stress, RuBP carboxylase is not exposed to the increase in oxygen . concentration experienced in the leaf. This allows the plant to avoid trying to use oxygen.
• B) When the stomata close during heat stress, RuBP carboxylase is exposed to the increase in oxygen
• Concentration experienced in the leaf. This allows the plant to avoid trying to use oxygen.
• C) When the stomata open during heat stress, RuBP carboxylase is not exposed to the increase in oxygen concentration experienced in the leaf. This allows the plant to avoid trying to use oxygen.
• D) When the stomata close during heat stress, RuBP carboxylase is exposed to the increase in oxygen
• Concentration experienced in the leaf. This allows the plant to use oxygen for photosynthesis.
• E) When the stomata open during heat stress, RuBP carboxylase is not exposed to the increase in oxygen

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Definitions:

Status Indicator Connections

Physical or virtual connections in a system used to display the current status or condition through indicators.

Output Module

A component within a PLC that provides the physical output actions based on the logic control signals.

Line Power Supply

The primary source of electrical energy for a system, typically connected directly to utility service lines.