A) Stem
B) Branches
C) Leaves
D) Roots
Correct Answer: C
Solution :
Flowering is a Cascade Reaction consisting of several steps. In the Photoperiodic flowering, the Photoperiodic signal first receive by Photochrome of leaf, and the signal from Photochrome starts the Biological Clock measures a certain period of time, the production of flowering stimulus in the leaf starts. The flowering stimulus is transmitted from the leaf to shoot apex. The Shoot Apical Meristem produces primordia of florid organs; sepals, petals, stamens and carpels, thus generating a flower bud.
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