Which of the Following Statements Best Explains the Ability of CAM

question 13

Multiple Choice

Which of the following statements best explains the ability of CAM plants to synthesize sugars in the daytime while keeping their stomata closed to reduce water loss?

• A) They fix CO₂ into organic acids during the night.
• B) They fix CO₂ into sugars in the bundle-sheath cells.
• C) They fix CO₂ into pyruvate in the mesophyll cells.
• D) They use photosystem I and photosystem II at night.

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Definitions:

Mineral Rich

Referring to a substance, soil, or area containing a beneficial concentration of minerals important for biological processes or commercial use.

Open Water

Large bodies of water such as lakes, oceans, and rivers, where there are no obstructions to the passage of water.

Shore

The land along the edge of a sea, lake, or other large body of water.

Sunlight

The natural light emitted by the Sun, providing the primary energy source for Earth's climate and ecology.