Which of the Following Observations Would Be the Best Indicator

question 9

Multiple Choice

Which of the following observations would be the best indicator that an organism lacks photosystem II?

• A) It produces glucose in the light and dark.
• B) It does not produce CO₂ in the dark.
• C) It does not produce O₂ in the light.
• D) It produces CO₂ in the light.

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Definitions:

Clams

Aquatic bivalve mollusks known for their soft bodies enclosed within a hinged shell, often consumed as seafood or used in research.

Filter-Feeders

Organisms that feed by straining suspended matter and food particles from water, commonly found in aquatic environments.

Toxins

Poisonous substances produced by living organisms, often causing disease when entered into the body at sufficient quantities.

Earthworms

Invertebrate animals belonging to the class Oligochaeta, known for their role in aerating the soil and enhancing soil fertility through their digestion process.