Which of the following light is least absorbed by the plants?
Correct answer: D. Green
- A. Orange
- B. Red
- C. Blue
- D. Green
Explanation
Green light is least absorbed by chlorophyll and is largely reflected, which is why most leaves look green. Students may choose orange because it is absorbed less strongly than red or blue, but green is the least-absorbed region among these choices.
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About Cellular Respiration
Cellular respiration releases energy from glucose through glycolysis, the link reaction, the Krebs cycle and the electron transport chain, producing ATP. The pathway differs in oxygen availability: aerobic respiration uses oxygen and yields more ATP, while anaerobic respiration produces much less ATP and forms lactic acid in muscles or ethanol and carbon dioxide in yeast.
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