All phostosynthetic euglenoids lose their chlorophyll when grown in dark and obtain their nutrients heterotrophically this statement is___________?
Correct answer: B. False
- A. True
- B. False
- C. May be true may be false
- D. Unpredictable
Explanation
The statement is false because it uses the absolute word all, whereas not every photosynthetic euglenoid necessarily loses its chlorophyll in darkness; the response varies among species and conditions. Students may choose true by recalling that Euglena can become colourless and feed heterotrophically in darkness, but that observation cannot be extended to every photosynthetic euglenoid. The submitted key matches.
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