Moderate

Chlorophylls mainly absorb light of which wavelength?

Correct answer: D. Orange red

  • A. Red blue
  • B. Yellow orange
  • C. Violet red
  • D. Orange red

Explanation

Chlorophyll mainly absorbs violet-blue and orange-red wavelengths. Green, yellow and indigo are least absorbed and are transmitted or reflected by chlorophyll, although yellow are often masked by darker green color. That's why plants appear green.

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About Bioenergetics

Cellular respiration explains how cells release energy from glucose through glycolysis, the link reaction, Krebs cycle and electron transport chain. It includes ATP production, substrate-level and oxidative phosphorylation, aerobic versus anaerobic respiration, and the roles of mitochondria, oxygen and fermentation in energy transfer.

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