Q. The response of plants to periods of day and night is termed as

A
Photoperiodism
B
Vernalisation
C
Photosynthesis
D
Respiration
Solution:
  • Photoperiodism is the physiological reaction of organisms to the length of day or night. It occurs in plants and animals.

  • Photoperiodism can also be defined as the developmental responses of plants to the relative lengths of light and dark periods.

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