What is growth towards water in plants called?
Answer and explanation
Correct answer: Hydrotropism
The governing concept is a plant tropic response to water. Directional growth of a plant organ toward a moisture source is called positive hydrotropism. Roots commonly show this response, helping them grow toward regions where water is available, although gravity and other stimuli may also influence their path. Thus option A is correct. Phototropism responds to light, chemotropism to chemicals, and thigmotropism to touch or contact.
Frequently asked questions
What is the correct answer to this question?
Hydrotropism
Why is this the correct answer?
The governing concept is a plant tropic response to water. Directional growth of a plant organ toward a moisture source is called positive hydrotropism. Roots commonly show this response, helping them grow toward regions where water is available, although gravity and other stimuli may also influence their path. Thus option A is correct. Phototropism responds to light, chemotropism to chemicals, and thigmotropism to touch or contact.
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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