The term auxin was first coined by ________
The term auxin was first coined by ________
The correct option is: C
Explanation of the correct option:
Auxin is a plant hormone produced in the stem tip that promotes cell elongation. Auxin moves to the darker side of the plant, causing the cells there to grow larger than the corresponding cells on the lighter side of the plant. The term auxin is derived from the Greek word auxin which means to grow. In 1928, E. W. Went coined the term auxin.
Explanation of the incorrect option:
Option A: The word "hormone" was coined by the English physiologist Ernest H. Starling in connection with the discovery of secretin, the first hormone, in 1902
Option B: Linus Pauling described electronegativity as “the power of an atom in a molecule to attract electrons to itself.
Option D: Bayliss and Starling (1902) demonstrated that acid instilled into the duodenum caused exocrine pancreatic secretion despite severing the duodenal and pancreatic nerves. Further, they showed that an extract of duodenal mucosa injected into the animal mimicked the acid effect in the duodenum.
Final answer: The term auxin was first coined by E. W. Went
The correct option is: C
Explanation of the correct option:
Auxin is a plant hormone produced in the stem tip that promotes cell elongation. Auxin moves to the darker side of the plant, causing the cells there to grow larger than the corresponding cells on the lighter side of the plant. The term auxin is derived from the Greek word auxin which means to grow. In 1928, E. W. Went coined the term auxin.
Explanation of the incorrect option:
Option A: The word "hormone" was coined by the English physiologist Ernest H. Starling in connection with the discovery of secretin, the first hormone, in 1902
Option B: Linus Pauling described electronegativity as “the power of an atom in a molecule to attract electrons to itself.
Option D: Bayliss and Starling (1902) demonstrated that acid instilled into the duodenum caused exocrine pancreatic secretion despite severing the duodenal and pancreatic nerves. Further, they showed that an extract of duodenal mucosa injected into the animal mimicked the acid effect in the duodenum.
Final answer: The term auxin was first coined by E. W. Went
