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#long day plants

3 public questions tagged with this topic.

PHOTOPERIODISM+PYQS

In long day plants, flowering is promoted by:

Correct option is B, Presence of Pfr. In PHOTOPERIODISM problems like this, the accurate statement is Presence of Pfr; the others are common mix-ups. Not these: A) Absence of Pfr; C) Low phytochrome; D) High Pr. Tissue transport questions usually turn on xylem vs phloem, living vs dead cells, or source vs sink.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

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PHOTOPERIODISM+PYQS

Plants that flower when day length is greater than critical photoperiod are called:

C fits best: Long day plants. Keep the PHOTOPERIODISM basics straight and Long day plants stands out as the precise answer. Avoid: A) Short day plants; B) Day neutral plants; D) Intermediate plants. 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.

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