Question
Which of the following plant hormones is a carotenoid-cleavage product?
The correct answer is
Strigolactone
Plant Hormone Identification: Carotenoid Cleavage Product
The question asks to identify the plant hormone derived from the breakdown of carotenoids.
Analysis of options:
- Phytosulfokine: These are peptide signaling molecules involved in growth regulation. They are not derived from carotenoids.
- Brassinosteroid: These are a class of steroid hormones in plants. Their synthesis pathway is distinct from carotenoid breakdown.
- Methyl jasmonate: This compound is derived from jasmonic acid, which originates from fatty acid metabolism, not carotenoids.
- Strigolactone: Research has established that strigolactones are synthesized via a pathway involving the oxidative cleavage of carotenoid precursors.
Based on the biosynthetic origins, Strigolactone is the correct answer.
Was this answer helpful?
Important Questions from Plant Biochemistry Secondary Metabolites
- Correctly match the following secondary metabolites in Group-I with their chemical classes in Group-II.
Group-I Group-II (P) Codeine (1) Flavones (Q) Podophyllotoxin (2) Alkaloids (R) Resveratrol (3) Lignans (S) Linamarin (4) Monoterpenes (T) Limonene (5) Cyanogenic glycosides (6) Stilbenes Identify the CORRECT statements in plant secondary metabolism.
P. Tropane alkaloids in Atropa belladonna are synthesized from tyrosine
Q. Antioxidative food ingredient rosmarinic acid is obtained from cell suspension cultures of Coleus blumei
R. Thiophenes are produced from hairy root cultures of Tagetes patula
S. Cyanidin, the principal anthocyanin responsible for red color in Rosa hybrida is produced from cinnamaldehyde
- Identify the INCORRECT statement with relation to plant secondary metabolites.
- Horseradish peroxidase and alkaline phosphatase are the two enzymes commonly utilized as reagents in ELISA, because these enzymes
- One of the defense mechanisms adopted by plants for detoxification of heavy metals is the synthesis of
Need Expert Advice?
