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  9. Q383

RRB Group D (Level-1 posts) 2022 · Question 383 of 598

Identify the FALSE statement.

  1. AHydrotropism is the tendency to grow in moist areas, i.e., the movement of roots towards high humidity.
  2. BThe sunflower is a phototrophic plant.
  3. CGeotropism is demonstrated by the downward migration of roots.
  4. DThe growth of pollen tubes towards ovules is an example of geotropism.Correct

Answer: D. The growth of pollen tubes towards ovules is an example of geotropism.

Explanation

The growth of pollen tubes towards ovules is an example of chemotropism (response to chemicals), not geotropism (response to gravity).

Source: RRB Group D 2022 Prev. Yr. Paper (18 Aug 2022) (Shift 2) - Prepp · reliable-secondary

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