The hormonal substance which migrates from leaves to shoot apices to induce flowering is

50% studentsanswered this correctly

Important Questions on Plant Growth and Mineral Nutrition

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

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

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?

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?

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

Phytochrome is a:

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

Question Image

EASY

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

For germination of seed, which light is necessary

MEDIUM

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

Which one is short day plant?

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

Photoperiodic stimulus is received by

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

Garner and Allard have worked on

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

The pigment involved in photomorphogenetic movements is

HARD

Biology>Physiology>Plant Growth and Mineral Nutrition>Photoperiodism

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