Q. No.
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Phototropism is firstly studied by
(1) Charles Darwin and his son Francis Darwin
(2) Charles Darwin and his friend Francis Darwin
(3) Charles Darwin and his brother Francis Darwin
(4) Charles Darwin and his colleague Francis Darwin
(1) Charles Darwin and his son Francis Darwin
(2) Charles Darwin and his friend Francis Darwin
(3) Charles Darwin and his brother Francis Darwin
(4) Charles Darwin and his colleague Francis Darwin
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……...is the site of transmittable influence that caused the bending of the entire……..
| 1. | Coleorrhiza | 2. | Coleoptile |
| 3. | Auxin | 4. | Scutellum |
Subtopic: Growth Hormones & Auxin |
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Subtopic: Growth Hormones & Auxin |
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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
Subtopic: Gibberellin |
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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 |
Subtopic: Growth Hormones & 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 |
Subtopic: Growth Hormones & Auxin |
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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 |
Subtopic: Gibberellin |
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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 |
Subtopic: Gibberellin |
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Level 1: 80%+
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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 |
Subtopic: Cytokinin |
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Cytokinesis promoting substance was crystallised by
| 1. | Skoog and Darwin | 2. | Skoog and Miller |
| 3. | Kurosawa | 4. | Cousins |
Subtopic: Cytokinin |
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Level 1: 80%+
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