Multiple choice

_____________ acts as a stimulus in the process of hydrotropism.

  1. Nitrogen dioxide

  2. Hydrogen oxide

  3. Hydrogen peroxide

  4. Hydrogen iodide

  5. Magnesium hydroxide
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is the correct option as hydrogen oxide (water) acts as a stimulus in the process of hydrotropism.

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