A) \[80%\text{ }{{C}_{2}}{{H}_{4}}\]and \[20%\text{ }C{{O}_{2}}\]
B) \[80%\text{ }C{{O}_{2}}\] and \[20%\text{ }C{{H}_{2}}\]
C) \[80%\text{ }C{{H}_{4}}\] and \[20%\text{ }C{{O}_{2}}\]
D) \[80%\text{ }C{{O}_{2}}\] and \[20%\text{ }{{O}_{2}}\]
Correct Answer: A
Solution :
[a] Ethylene is a gaseous hormone which promotes ripening of fruits. Methionine amino acid is precursor molecule for ethylene synthesis. Ethylene synthesis takes place in all parts of a plant such as roots, stem, leaves fruits, seeds etc.
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