Which of Thfollowing Statements Is CORRECT About C₄ Plants

question 73

Multiple Choice

Which of thfollowing statements is CORRECT about C₄ plants?

• A)In C₄ plants, fixation of carbon dioxide and the light-independent reactions occur in two different types of cells.
• B)C₄ plants are so called because a 4-carbon molecule is the first stable intermediate that forms in the light-independent reactions.
• C)In C₄ plants, carbon dioxide is fixed by an enzyme that does not use oxygen even at high oxygen levels.
• D)C₄ plants are adapted to considerably minimize photorespiration.
• E)All of these are correct.

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Definitions:

Carbon Fixation Reactions

Chemical reactions that convert carbon dioxide into organic compounds during photosynthesis, forming the basis for sustaining the ecosystem’s energy flow.

Light-dependent Reactions

The first stage of photosynthesis, occurring in the thylakoid membranes, where light energy is converted into chemical energy as ATP and NADPH.

Sugar Synthesis

The process by which plants produce sugars through photosynthesis, using sunlight, carbon dioxide, and water.

Chlorophyll B

A type of chlorophyll pigment present in green plants and algae, absorbing light primarily in the blue portion of the electromagnetic spectrum.