Moderate

Gibberellins may be substituted for which color of light, therefore promote flowering in long day plants?

Correct answer: A. Red

  • A. Red
  • B. Blue
  • C. Green
  • D. White

Explanation

Certain light spectrums trigger growth characteristics in plants. In general, 'blue light' spectrums encourage vegetative and structural growth and ''red light'' promotes flowering, fruit, leaf growth, and stem elongation.

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About Coordination and Control

Coordination depends on receptors, neurons, synapses and nerve impulses, with reflex actions traced through the reflex arc and the roles of major brain regions. Chemical coordination covers endocrine glands and hormones, including how hormones regulate growth, metabolism, reproduction and internal balance, unlike rapid nervous control.

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