Loss of vernalization effect due to high temperature exposure is called:
B fits best: Devernalization. Keep the VERNALIZATION & FLOWERING basics straight and Devernalization stands out as the precise answer. Avoid: A) Stratification; C) Photoperiodism; D) Thermoperiodism. 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.