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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: - The net glomerular filtration rate in an average adult is
- Which of the following is an agrostologic method of soil conservation?
- Consider the four statements (A-D) related to the common frog Rana tigrina
- Which of the following is not a plastid
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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
- The net glomerular filtration rate in an average adult is
- Which of the following is an agrostologic method of soil conservation?
- Consider the four statements (A-D) related to the common frog Rana tigrina
- Which of the following is not a plastid
- Which of the following is correct about heterospory
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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