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NEETBotanyPlant - Growth and Development

Read the following Assertion and Reason and choose the correct option. Assertion: Gibberelic acid was discovered from a fungal pathogen Reason: Miller et al.(1955) termed the cytokinesis promoting substance as kinetin

Options

  1. ABoth Assertion and Reason are true and Reason is correct explanation of Assertion
  2. BBoth Assertion and Reason are true but Reason is not the correct explanation of Assertion
  3. CAssertion is true but the Reason is false
  4. DBoth Assertion and Reason are false

Correct answer

B. Both Assertion and Reason are true but Reason is not the correct explanation of Assertion

Step-by-step solution

The ‘bakanae’ (foolish seedling) disease of rice seedlings, was caused by a fungal pathogen Gibberella fujikuroi. E. Kurosawa (1926) reported the appearance of symptoms of the disease in rice seedlings when they were treated with sterile filtrates of the fungus. The active substances were later identified as gibberellic acid.

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