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Florigen is produced in

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Important Questions on Plant Growth and Development

EASY
The site of perception of light in plants during photoperiodism is:
MEDIUM
In an experiment investigating photoperiodic response, the leaves of a plant are removed. What is the most likely outcome?
HARD
A few normal seedlings of tomato were kept in a dark room. After a few days, they were found to have become white-colored like albinos, Which of the following terms will you use to describe them?
MEDIUM
In an experiment represented in the schematic below, a plant species was grown in different day and night cycles and its photoperiodic flowering behavior was noted. This species is a

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EASY
What is the site of perception of photoperiod necessary for induction of flowering in plants?
EASY
Which of the following is day neutral plant?
EASY
Select the odd one with respect to long-day plants.
MEDIUM
Would a defoliated plant respond to photoperiodic cycle? Why?
EASY
Both a short day plant and a long day plant can produce flower simultaneously in a given place. Explain.
EASY
In respect of photomorphogenesis plants are most sensitive to
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There are two plants A and B with respective critical photoperiod of 13 hours and 11 hours. When they are exposed to light for a period of 12 hours, it initiated flowering in both. Which of the following conclusions is most appropriate for these plants?
EASY
An important blue colour absorbing pigment in plant is
EASY
Which of the following factors influence the process of flowering?
EASY
Which of the following induces flowering in short day plant?
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The physiological response of plants to the duration of light and darkness is a
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When the dark period of short day plants is interrupted by a brief exposure of light, then the plant