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Importance of day length in flowering of plants was first shown in
Options
(a) lemna
(b) tobacco
(c) cotton
(d) petunia
Correct Answer:
tobacco
Explanation:
Photoperiodism was first studies by Garner and Allard (1920). They observed that “Maryland Mammoth” variety of tobacco could be made to flower in summer by reducing the light hours with artificial darkening. It could be made to remain vegetative in winter by providing extra light.
Related Questions: - Binomial nomenclature means
- Electrons from excited chlorophyll molecule of photosystem II are accepted first by:
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- In the ascending limb of the loop of Henle, the maximum osmatic difference that
Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Photosynthesis and Plant Growth
(26)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Binomial nomenclature means
- Electrons from excited chlorophyll molecule of photosystem II are accepted first by:
- Difference between rough and smooth endoplasmic reticulum is that
- Which one of the following acts as a catalyst in bacterial cells?
- In the ascending limb of the loop of Henle, the maximum osmatic difference that
Question Type: Memory (964)
Difficulty Level: Easy (1008)
Topics: Photosynthesis and Plant Growth (26)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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