In which direction does the root of a plant normally grow?
Answer and explanation
Correct answer: In the direction of gravity
Roots normally grow downward into the soil, along the direction in which gravity acts. This directional growth is called positive geotropism or positive gravitropism. Shoots generally show the opposite response and grow away from gravity, while light and air do not define the normal direction of root growth. Hence, option A is correct.
Frequently asked questions
What is the correct answer to this question?
In the direction of gravity
Why is this the correct answer?
Roots normally grow downward into the soil, along the direction in which gravity acts. This directional growth is called positive geotropism or positive gravitropism. Shoots generally show the opposite response and grow away from gravity, while light and air do not define the normal direction of root growth. Hence, option A is correct.
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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