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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: - Opening and closing of stomata are under the control of
- Which is the key intermediate, linking glycolysis to the Kreb’s cycle?
- Among HIV viruses which one is more virulent causing AIDS in 90% of the cases
- Pellagra is caused due to the deficiency of which vitamin
- Who coined the term ‘Homo sapiens’?
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
- Opening and closing of stomata are under the control of
- Which is the key intermediate, linking glycolysis to the Kreb’s cycle?
- Among HIV viruses which one is more virulent causing AIDS in 90% of the cases
- Pellagra is caused due to the deficiency of which vitamin
- Who coined the term ‘Homo sapiens’?
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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