Which Statement Is Accurate About How C₄ Plants Are Able

question 13

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 photorespiration.
• 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 photorespiration.
• 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 photorespiration.
• 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 undergo photorespiration.
• E)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 undergo photorespiration.