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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 of the following species are restricted to an area?
- Grafted kidney may be rejected in a patient due to :
- The plants which flower once in their lifetime are called as
- Which of the following is not correct xerophytes
- Commonly used vectors for human genome sequencing are:
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 of the following species are restricted to an area?
- Grafted kidney may be rejected in a patient due to :
- The plants which flower once in their lifetime are called as
- Which of the following is not correct xerophytes
- Commonly used vectors for human genome sequencing are:
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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