The photoperiod in plants is perceived at

Photoperiodic stimulus is perceived by

The stimulus of photoperiodism is perceived by

The stimulus of photoperiodism is perceived by

the term "photoperiodism" was proposed by or the phenomenon of photoperiodism in plants was discovered by

the term "photoperiodism" was proposed by or the phenomenon of photoperiodism in plants was discovered by

the term "photoperiodism" was proposed by or the phenomenon of photoperiodism in plants was discovered by

Photoperiodic stimulus is perceived by (a) Meristematic cells (b) Leaves (c) Flowers (d) Seeds

Briefly describe photoperiodism in plants. Give an example of day neutral plant.

Photoperiod stimulus is perceived by___pigment.

Photoperiod stimulus is perceived by___pigment.