If the process of increasing stem length in a plant is reduced, which plant hormone is more related?
Answer and explanation
Correct answer: गिबरेलिन
The governing concept is hormonal regulation of plant growth. Gibberellins promote elongation of stems and other growth processes, so reduced stem-length increase points most directly to a possible deficiency or reduced action of gibberellin. Therefore, option A is correct. Insulin, adrenaline, and thyroxine are animal hormones and do not provide the expected school-level explanation for stem elongation in plants.
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What is the correct answer to this question?
गिबरेलिन
Why is this the correct answer?
The governing concept is hormonal regulation of plant growth. Gibberellins promote elongation of stems and other growth processes, so reduced stem-length increase points most directly to a possible deficiency or reduced action of gibberellin. Therefore, option A is correct. Insulin, adrenaline, and thyroxine are animal hormones and do not provide the expected school-level explanation for stem elongation in plants.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Plant hormones.
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