Which of the following statements is incorrect?

  • A
    Stomatal opening is influenced by many factors and potassium ions.
  • B
    All enzymes are proteins,but all proteins are not enzymes.
  • C
    All angiosperms have seeds,but all seed-bearing plants are not angiosperms.
  • D
    Factors that affect respiration influence photosynthesis,but the reverse is not possible.

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Look at leaves of the same plant on the shady side and compare them with the leaves on the sunny side. Or,compare the potted plants kept in the sunlight with those in the shade. Which of them has leaves that are darker green? Why?

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