Which Statement Is Accurate About How C₄ Plants Are Able

question 39

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 concentration experienced in the leaf. This allows the plant to use oxygen for photosynthesis.

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Definitions:

Compounded Monthly

Interest calculation method where interest is added to the principal sum at the end of each month, and future interest is calculated on the new total.

Years

Units of time that represent the period it takes for the Earth to complete one full orbit around the sun, typically used to measure durations or ages.

Interest

The price paid for acquiring funds, often quoted as a yearly rate of the total amount borrowed.

Savings Account

A deposit account held at a financial institution that provides principal security and a modest interest rate.