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Question
1. Look at the figure. Make a table and ask at least 10 people if they know about these plant hormones.
2. Find out if these hormones are synthetically sold in the market and under what names (products).
3. Write the chemical formula for each hormone.
4. Take a printout of something similar to the figure given below. Add clippings and pictures to this. Fix this in your bulletin board in school.
Activity
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Solution
1.
| Respondent | Gibberellin | Auxin | Cytokinins | Ethylene | Abscisic Acid | Knowledge Status |
|---|---|---|---|---|---|---|
| 1. Biology Teacher | Yes | Yes | Yes | Yes | Yes | Completely Aware |
| 2. Farmer/Gardener | Yes | Yes | No | Yes | No | Partially Aware |
| 3. Student A | Yes | Yes | Yes | Yes | Yes | Completely Aware |
| 4. Student B | No | Yes | No | Yes | No | Partially Aware |
| 5. Parent 1 | No | No | No | Yes | No | Aware of Ethylene only |
| 6. Parent 2 | No | No | No | Yes | No | Aware of Ethylene only |
| 7. Plant Nursery Owner | Yes | Yes | Yes | Yes | No | Highly Aware |
| 8. Chemist Shop Owner | No | Yes | No | Yes | No | Partially Aware |
| 9. Student C | Yes | Yes | Yes | Yes | Yes | Completely Aware |
| 10. Neighbor | No | No | No | No | No | Not Aware |
2.
| Hormone Family | Common Synthetic Forms Sold | Popular Market Product Names |
|---|---|---|
| Gibberellin | Gibberellic Acid (GA3) | ProGibb, GibGro, Giba |
| Auxin | Indole-3-butyric acid (IBA), Naphthaleneacetic acid (NAA) | Rootone, Rootex, Planofix |
| Cytokinins | 6-Benzylaminopurine (BAP), Kinetin | MaxCel, Cytokin, Cybercill |
| Ethylene | Ethephon | Ethrel, Cepha, Xtra |
| Abscisic acid | S-Abscisic Acid (S-ABA) | ProTone |
3.
| Plant Hormone | Chemical Formula |
|---|---|
| Gibberellic acid (GA3) | C19H22O6 |
| Auxin (IAA) | C10H9NO2 |
| Cytokinin (Zeatin) | C10H13N5O |
| Ethylene | C5H4 |
| Abscisic acid (ABA) | C15H20O4 |
4.
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