| ⇦ | 
| ⇨ |
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 fruits developed from ovary and other floral parts except ovary are called
- Stem cutting are commonly used for propagation of
- Which one is found over fern leaves
- Which one of the following pairs of nitrogenous bases of nucleic acids
- Choose the correctly matched pair – ephithelium
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 fruits developed from ovary and other floral parts except ovary are called
- Stem cutting are commonly used for propagation of
- Which one is found over fern leaves
- Which one of the following pairs of nitrogenous bases of nucleic acids
- Choose the correctly matched pair – ephithelium
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
18000+ students are using NEETLab to improve their score. What about you?
Solve Previous Year MCQs, Mock Tests, Topicwise Practice Tests, Identify Weak Topics, Formula Flash cards and much more is available in NEETLab Android App to improve your NEET score.
Share this page with your friends
Leave a Reply