What is the growth of plants towards light called?
Answer and explanation
Correct answer: Phototropism
The governing concept is tropic movement, a directional growth response to an external stimulus. When a plant organ, especially a shoot, grows towards a light source, the response is called positive phototropism. Geotropism responds to gravity, hydrotropism to water, and chemotropism to chemicals. Therefore, option A is correct.
Frequently asked questions
What is the correct answer to this question?
Phototropism
Why is this the correct answer?
The governing concept is tropic movement, a directional growth response to an external stimulus. When a plant organ, especially a shoot, grows towards a light source, the response is called positive phototropism. Geotropism responds to gravity, hydrotropism to water, and chemotropism to chemicals. Therefore, option A is correct.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Control and Coordination.
