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NEETBotanyPlant - Growth and Development

What was the main effect observed in the coleoptiles in response to unilateral illumination?

Options

  1. AInhibition of growth
  2. BBending towards the light source
  3. CGrowth away from the light source
  4. DNo change in growth pattern

Correct answer

B. Bending towards the light source

Step-by-step solution

All this started with the observation of Charles Darwin and his son Francis Darwin when they observed that the coleoptiles of canary grass responded to unilateral illumination by growing towards the light source (phototropism)

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