Multiple choice

Which of the following pigments is involved in photoperiodic changes in plants?

  1. Phytochrome

  2. Cytochrome

  3. Chlorophyll

  4. Anthocyanin

  5. -
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A Correct answer
Explanation

Phytochrome is a photoreceptor, a pigment that plants, and some bacteria and fungi, use to detect light. It is sensitive to light in the red and far-red region of the visible spectrum.

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