Which of the Following Chemicals Functions as a Photoreceptor in Plants

question 55

Multiple Choice

Which of the following chemicals functions as a photoreceptor in plants and regulates photoperiodism and responses to seasons?

• A)phytochromes
• B)auxins
• C)gibberellins
• D)cytokinins

---

Definitions:

Cerebral Spinal Fluid

Cerebral spinal fluid is a clear, colorless body fluid found in the brain and spinal cord that acts as a cushion, protecting the central nervous system, and plays a role in the exchange of nutrients and waste.

Neoteny

Process in which juvenile stages of predecessors become adult features of descendants; idea derived from the observation that more recently evolved species resemble the young of their common ancestors.

Brain Cells

Cells located in the brain, including neurons and glial cells, responsible for processing information and supporting brain function.

Genetic Diversity

The total number of genetic characteristics in the genetic makeup of a species, contributing to variations among individuals and populations.