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Through their effect on plant growth regulators, what do the temperature and light control in the plants?

  • Apical dominance

  • Flowering

  • Closure of stomata

  • Fruit elongation

Answer

B.

Flowering

There are three factors which govern the flowering in angiosperms. These factors are completion of juvenile phase and attaintment of mature or adult phase, suitable light and proper temperature. 

There are three factors which govern the flowering in angiosperms. These factors are completion of juvenile phase and attaintment of mature or adult phase, suitable light and proper temperature.