Photoperiodism

IMPORTANT

Photoperiodism: Overview

This Topic covers sub-topics such as Photoperiodism, Short Day Plants, Long Day Plants, Day Neutral Plants, Critical Day Length, Photoperiodic Induction, Short-long Day Plants, Long-short Day Plants, Mechanism of Photoperiodism and, Intermediate Day Plants

Important Questions on Photoperiodism

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Spinach is an example of long-day plant.

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Chrysanthemum is an example of a short-day plant.

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Define intermediate day plants.

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The proteinaceous pigment involved in the photoperiodism is called 

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Define critical day-length photoperiodism.

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What are long-day plants?

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What are short day plants?

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What is the key principle of photoperiodism?

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Which of the following is a short-day plant?

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The photoperiod in plants is perceived at

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Florigen is produced in

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Write a short note on photoperiodism.

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Write a short note on photoperiodism.

HARD
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What is phytochrome? What is the significance of it?

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Phytochrome was discovered by

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Which of the following plant hormone has not yet been isolated

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Phytochrome is a

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When a dark period of short day plant is interrupted by a brief exposure to light, the plant:

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Day-neutral plants

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The physiological response of plants to the duration of light and darkness is a