A plant is observed to have deep roots and tendrils that wrap around objects. Which pair of tropisms correctly describe these responses? 1.geotropism and phototropism
2. phototropism and thigmotropism
3. hydrotropism and geotropism
4.hydrotropism and thigmotropism

4

Explanation:

The correct answer would be hydrotropism and thigmotropism.

Hydrotropism is defined as the movement of a plant or its organs to or away from moisture. The deep root growth of plants is a way of seeking or growing towards moisture that is present deep in the soil. Hence, the root is said to exhibit positive hydrotropism.

Thigmotropism, on the other hand, is the growth or movement of plants or their organs to or away from touches. In this case, the tendrils of the plant that wraps around objects they come in contact with are showing positive thigmotropism.

The correct option is, therefore, option 4.

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