| ⇦ | 
| ⇨ |
Which pigment is responsible for flowering in plant?
Options
(a) phytochrome
(b) cytochrome
(c) anthocyanin
(d) xanthophyll
Correct Answer:
phytochrome
Explanation:
Phytochrome is a pigment involved in the perception of photoperiodic stimuli controlling flowering, lettuce seed germination and other morphogenetic phenomenon. The phytochrome exists in two forms : the phytochrome red absorbing form (Pᵣ) and the phytochrome far-red absorbing form (Pfr). Scientist consider the Pfr form to be the physiologically active form. Phytochrome is a blue-green pigment existing in two interconvertible forms. One form Pfr or P₇₃₀ absorbs far-red light
Related Questions: - Which one of the following statement is incorrect about menstruation?
- Haversian system are found in the
- Choose the correct pair of names that refer to one and the same process
- Epithelial tissue arises from
- Heterosis is also called
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following statement is incorrect about menstruation?
- Haversian system are found in the
- Choose the correct pair of names that refer to one and the same process
- Epithelial tissue arises from
- Heterosis is also called
Topics: Plant Growth and Development (126)
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