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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: - Which pair of the following belongs to Basidiomycetes
- CAM helps the plants in
- If diploid number of chromosomes in a plant is 40, then the number of chromosomes
- Dual breed variety of cattle is
- A gymnast is able to balance his body upside down even in the total darkness
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
- Which pair of the following belongs to Basidiomycetes
- CAM helps the plants in
- If diploid number of chromosomes in a plant is 40, then the number of chromosomes
- Dual breed variety of cattle is
- A gymnast is able to balance his body upside down even in the total darkness
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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