HUMAN PHYSIOLOGY
CONTROL AND COORDINATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The first phytoharmone that is observed is named as ____.
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Auxin
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Gibberellin Gibberellin
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Both
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ABA
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Explanation:
Detailed explanation-1: -The first phytohormone to be discovered was auxin.
Detailed explanation-2: -Abstract: Pioneer studies in the 19th – early 20th century leading to the discovery of auxin are introduced first. In 1928, Dutch botanist Fritz W. Went finally isolated auxin diffused out from the tip of oat coleoptiles in the gelatin block.
Detailed explanation-3: -Dutch botanist Fritz W. Went first discovered auxin in the tip of oat coleoptiles in a gelatin block. Following Went’s success, auxin, indole-3-acetic acid (IAA) was then isolated first from human urine.
Detailed explanation-4: -Indole-3-acetic acid (IAA) is the most abundant and the basic auxin natively occurring and functioning in plants.
There is 1 question to complete.