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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 one of the following is not a property of cancerous cells
- Membrane of vacuole is called
- Fruit colour in squash is an example of:
- Phytoplanktons are dominant in which of the following zone?
- During the process of isolation of DNA, chilled ethanol is added to
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 one of the following is not a property of cancerous cells
- Membrane of vacuole is called
- Fruit colour in squash is an example of:
- Phytoplanktons are dominant in which of the following zone?
- During the process of isolation of DNA, chilled ethanol is added to
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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