The correct process of phytochrome conversion is

Important Questions on Plant Growth and Mineral Nutrition

HARD

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

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

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

The site of perception of light in plants during photoperiodism is:

MEDIUM

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

In an experiment investigating photoperiodic response, the leaves of a plant are removed. What is the most likely outcome?

HARD

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

Explain photoperiodism and discuss it in Xanthium and Cucumis.

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

Phytochrome is a:

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

What is the site of perception of photoperiod necessary for induction of flowering in plants?

MEDIUM

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

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

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

What is the action spectrum of photoperiodism

MEDIUM

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

Which one is short day plant?

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

The term “photoperiodism” was proposed by or The phenomenon of photoperiodism in plants was discovered by

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

Pigment involved in photo–perception in flowering is

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

The pigment involved in photomorphogenetic movements is

MEDIUM

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

With respect to photoperiodism, these are long day plants.

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

In respect of photomorphogenesis plants are most sensitive to

HARD

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

Hypothetical florigen could be produced prematurely in long day plant by exposing it to

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

Photoperiodic response of red and far-red wavelength is mediated by

HARD

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

Which kind of plants are required for uninterrupted dark-period flowering?

MEDIUM

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

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?

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

Which of the following induces flowering in short day plant?

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

An apparatus commonly used to demonstrate phototropism is