Sucrose unloading in growing sinks generally occurs via:
C fits best: Symplastic pathway. Keep the PSS- Sec-F-Transport basics straight and Symplastic pathway stands out as the precise answer. Avoid: A) Apoplastic pathway; B) Xylem; D) Diffusion only. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.
