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Pigment associated with physiological function
Options
(a) phytochrome
(b) anthocyanin
(c) chlorophyll
(d) carotene
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 and the other Pr or P₆₆₀ or P₆₈₀ a
Related Questions: - In respiration more than one RQ value results from the use of
- Ascaris is characterized by
- Earth originated approximately
- Deeply sown seeds do not germinate and do not come up over due to the deficiency
- The common characteristics between tomato and potato will be maximum at
Topics: Plant Growth and Development
(126)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In respiration more than one RQ value results from the use of
- Ascaris is characterized by
- Earth originated approximately
- Deeply sown seeds do not germinate and do not come up over due to the deficiency
- The common characteristics between tomato and potato will be maximum at
Topics: Plant Growth and Development (126)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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