Which option has an incorrect match between stimulus and tropism?
Answer and explanation
Correct answer: Sound and chemotropism
A tropic movement is a directional growth response to a specific external stimulus. Light produces phototropism, gravity produces geotropism or gravitropism, and water produces hydrotropism. Chemotropism, however, is a response to chemical substances, not to sound. Therefore option D is the incorrect match. The other three pairs correctly connect each stimulus with its corresponding tropism.
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What is the correct answer to this question?
Sound and chemotropism
Why is this the correct answer?
A tropic movement is a directional growth response to a specific external stimulus. Light produces phototropism, gravity produces geotropism or gravitropism, and water produces hydrotropism. Chemotropism, however, is a response to chemical substances, not to sound. Therefore option D is the incorrect match. The other three pairs correctly connect each stimulus with its corresponding tropism.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Control and Coordination.
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