Plant Pigments and Variegated Leaves Quiz
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Questions and Answers

What is the role of additional pigments in some non-green leaves?

  • Preventing photosynthesis from occurring
  • Masking the green chlorophyll and causing other leaf colors (correct)
  • Enhancing the chlorophyll's ability to absorb sunlight
  • Indicating the health of the plant

Why can variegated leaves with yellow patches not perform photosynthesis in the yellow areas?

  • The yellow areas do not contain any chlorophyll (correct)
  • The yellow areas are overexposed to sunlight
  • The yellow areas contain too much water
  • The yellow areas have excess chlorophyll

What causes the red color in coleus leaves?

  • Presence of additional pigments masking the green chlorophyll (correct)
  • High levels of nitrogen in the soil
  • Lack of sunlight exposure
  • Absence of chlorophyll in the leaves

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