Multiple Choice
What triggers flowering for plants sensitive to photoperiod?
A) temperature
B) night length
C) day length
D) intensity of sunlight
Correct Answer:

Verified
Correct Answer:
Verified
Q63: A pea tendril contacts a string or
Q64: What plant hormone(s)affect(s)development in the plant body?<br>A)auxin,
Q65: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7803/.jpg" alt=" -In the figure,
Q66: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7803/.jpg" alt=" V -A scientist
Q67: What hormone promotes seed germination?<br>A)auxin<br>B)ethylene<br>C)gibberellin<br>D)abscisic acid
Q69: A _ is a chemical element that
Q70: Michael Knoblauch and colleagues have developed methods
Q71: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7803/.jpg" alt=" -Examine the figure.
Q72: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB7803/.jpg" alt=" -What is the
Q73: Plant transport products have many economic uses.