EASY
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The phenomenon of photoperiodism in plants was discovered by

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Important Questions on Plant Growth and Mineral Nutrition

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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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?
EASY
The site of perception of light in plants during photoperiodism is:
HARD
Explain photoperiodism and discuss it in Xanthium and Cucumis.
EASY
What is the site of perception of photoperiod necessary for induction of flowering in plants?
MEDIUM
In an experiment investigating photoperiodic response, the leaves of a plant are removed. What is the most likely outcome?
EASY
What is the action spectrum of photoperiodism
EASY
For germination of seed, which light is necessary
EASY
The pigment involved in photomorphogenetic movements is
HARD
Which kind of plants are required for uninterrupted dark-period flowering?
EASY
The response of different organisms to environmental rhythms of light and darkness is called
EASY
The proteinaceous pigment which controls activities concerned with light is?
EASY
What is the name of the chemical believed to be involved in flowering?
MEDIUM
Which of the following statements does not characterize photoperiodism?
MEDIUM
One set of a plant was grown at 12 hours day 12 hours night period cycles, and it flowered, while in the other set night phase was interrupted by a flash of light, and it did not produce flower. Under which one of the following categories will you place this plant?