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Which one of the following acids is a derivative of carotenoids ? [2009]
- a)Indole-3 -acetic acid
- b)Gibberellic acid
- c)Abscisic acid
- d)Indole butyric acid
Correct answer is option 'C'. Can you explain this answer?
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Which one of the following acids is a derivative of carotenoids ? [200...
Abscisic acid (ABA), also known as abscisin II and dormin, is a plant hormone. It functions in many plant developmental processes, includsing bud dormancy. Abscisic acid is a derivative of carotenoids. It was called “abscisin II” originally because it was thought to play a major role in abscission of fruits. At about the same time another group was calling it “dormin” because they thought it had a major role in bud dormancy. The name abscisic acid (ABA) was coined by a compromise between the two groups.
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Which one of the following acids is a derivative of carotenoids ? [200...
Abscisic Acid as a Derivative of Carotenoids
Abscisic acid is a plant hormone that plays a crucial role in various physiological processes such as seed dormancy, germination, and stress response. It is derived from carotenoids, which are pigment molecules found in plants.
Carotenoids as Precursors
- Carotenoids are synthesized by plants and algae and are responsible for the yellow, orange, and red colors in fruits and vegetables.
- They are also essential for photosynthesis and act as antioxidants in plants.
Conversion to Abscisic Acid
- Abscisic acid is derived from carotenoids through a series of enzymatic reactions.
- The cleavage of carotenoids leads to the formation of xanthoxin, which is then converted into abscisic acid through further modifications.
Biological Functions of Abscisic Acid
- Abscisic acid is involved in various physiological processes such as seed dormancy and germination.
- It also plays a critical role in plant responses to environmental stresses such as drought, salinity, and cold.
In conclusion, absicic acid is a derivative of carotenoids and plays a significant role in regulating various plant processes.
Abscisic acid is a plant hormone that plays a crucial role in various physiological processes such as seed dormancy, germination, and stress response. It is derived from carotenoids, which are pigment molecules found in plants.
Carotenoids as Precursors
- Carotenoids are synthesized by plants and algae and are responsible for the yellow, orange, and red colors in fruits and vegetables.
- They are also essential for photosynthesis and act as antioxidants in plants.
Conversion to Abscisic Acid
- Abscisic acid is derived from carotenoids through a series of enzymatic reactions.
- The cleavage of carotenoids leads to the formation of xanthoxin, which is then converted into abscisic acid through further modifications.
Biological Functions of Abscisic Acid
- Abscisic acid is involved in various physiological processes such as seed dormancy and germination.
- It also plays a critical role in plant responses to environmental stresses such as drought, salinity, and cold.
In conclusion, absicic acid is a derivative of carotenoids and plays a significant role in regulating various plant processes.
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Which one of the following acids is a derivative of carotenoids ? [2009]a)Indole-3 -acetic acidb)Gibberellic acidc)Abscisic acidd)Indole butyric acidCorrect answer is option 'C'. Can you explain this answer?
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