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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: - Adiantum is called walking fern because
- Which one of the following is the correct difference between Rod Cells
- Which of the following contains the actual genetic part of a sperm?
- The first stable product of photosynthesis in C plants is
- In a vertebrate which germ layer froms the skeletal muscles
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
- Adiantum is called walking fern because
- Which one of the following is the correct difference between Rod Cells
- Which of the following contains the actual genetic part of a sperm?
- The first stable product of photosynthesis in C plants is
- In a vertebrate which germ layer froms the skeletal muscles
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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