Auxin was isolated by

  1. F. W. Went
  2. Charles Darwin
  3. Francis Darwin
  4. F. Skoog
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Find the wrong match.

  1. F. W. Went - Oat seedlings
  2. Charles Darwin - Canary Grass
  3. Francis Darwin - Canary Grass
  4. E. Kurosawa- Orange
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This picture suggests that

  1. Tip of the coleorrhiza is the source of Auxin
  2. Tip of coleoptile is the source of Auxin
  3. Base of coleoptile is the source of Auxin
  4. Base of coleorrhiza is the source of Auxin
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Here arrows indicate

  1. Source of Auxin
  2. Direction of bending
  3. Direction of light
  4. Direction of cap removal
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Foolish Seedling-

Find the odd one.

  1. Bakane
  2. Disease of Rice seedlings
  3. Caused by viral pathogen
  4. Gibberella fujikuroi
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E. Kurosawa
1. Reported the appearance of symptoms of the disease in rice seedlings
2. In 1926
3. Used sterile filtrates of the fungus
4. All of these

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Internodal segments of tobacco stems, the callus is actually

  1. An undifferentiated cell
  2. A mass of differentiated cell
  3. A mass of undifferentiated cell
  4. A differentiated cell
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Find the incorrect statement.

F. Skoog and his co-workers obeserved that
1. Callus proliferated only if Auxin is there
2. Callus proliferated only if Auxin + extracts of vascular tissue was there
3. Callus proliferated only if Auxin + Yeast extract was there
4. Callus proliferated only if Auxin + coconut milk/DNA was there

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Cytokinesis promoting substance was crystallised by

  1. Skoog and Darwin
  2. Skoog and Miller
  3. Kurosawa
  4. Cousins
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Kinetin term was used for …..by…

  1. Cytokinins, Darwin
  2. Cytokinin, Skoog And Miller
  3. ABA, Darwin
  4. ABA, F. Skoog
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