In hydrotropism, which part of the plant tends to grow towards water?
Answer and explanation
Correct answer: Root
The governing concept is hydrotropism, a growth response directed by water availability. Roots absorb water and mineral salts from the soil, so their growing regions can bend or extend toward a moisture source. Therefore the root is the correct answer. Flowers, fruits and cotyledons may have other biological roles, but they are not the plant part classically identified as showing growth toward water in this example.
Frequently asked questions
What is the correct answer to this question?
Root
Why is this the correct answer?
The governing concept is hydrotropism, a growth response directed by water availability. Roots absorb water and mineral salts from the soil, so their growing regions can bend or extend toward a moisture source. Therefore the root is the correct answer. Flowers, fruits and cotyledons may have other biological roles, but they are not the plant part classically identified as showing growth toward water in this example.
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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