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Q. No.The Discovery of PGRs
1.
Four discovery were accidental one was with a planned experiment
2.
Three discovery were accidental Two were with a planned experiment
3.
Two discovery were accidental Three were with a planned experiment
4.
All five we're accidental
Subtopic: Growth Hormones & Auxin |
81%
From NCERT
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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 |
Subtopic: Growth Hormones & Auxin |
94%
From NCERT
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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 |
81%
From NCERT
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Subtopic: Growth Hormones & Auxin |
92%
From NCERT
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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 |
89%
From NCERT
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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 |
92%
From NCERT
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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 |
68%
From NCERT
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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 |
81%
From NCERT
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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 |
95%
From NCERT
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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
Subtopic: Growth Hormones & Auxin |
80%
From NCERT
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