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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: - Canal system in Porifera is not concerned with
- During the formation of bread it becomes porous due to release of
- Cyanide resistant pathway
- Iodine deficiency in human leads to a disease called
- Which one of the following organisms is scientifically correctly named
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
- Canal system in Porifera is not concerned with
- During the formation of bread it becomes porous due to release of
- Cyanide resistant pathway
- Iodine deficiency in human leads to a disease called
- Which one of the following organisms is scientifically correctly named
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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