- 1(current)
Q. No.Identify the incorrectly matched pair:
| Scientist | PGR discovery | |
| 1. | Cousins | Ethylene |
| 2. | Kurosawa | Gibberellin |
| 3. | Skoog and Miller | ABA |
| 4. | F. W. Went | Auxin |
Subtopic: Â Gibberellin |Â Cytokinin |Â Ethylene |Â Abscisic Acid |
 82%
Level 1: 80%+
Hints
Which PGR stimulates the closure of stomata in the epidermis and increases the tolerance of plants to various kinds of stress?
| 1. | Cytokinin | 2. | Giberrellin |
| 3. | ABA | 4. | Ethylene |
Subtopic: Â Abscisic Acid |
 91%
Level 1: 80%+
Hints
In most situations, which PGR acts as an antagonist to GAs?
| 1. | ABA | 2. | Ethylene |
| 3. | Cytokinin | 4. | Giberrellin |
Subtopic: Â Gibberellin |Â Abscisic Acid |
 84%
Level 1: 80%+
Hints
Match the following :
| A. | IAA | i. | Herring sperm DNA |
| B. | ABA | ii. | Bolting |
| C. | Ethylene | iii. | Stomatal closure |
| D. | GA | iv. | Weed-free lawns |
| E. | Cytokinins | v. | Ripening of fruits |
Options:
| A | B | C | D | E | |
| 1. | iv | iii | v | ii | i |
| 2. | v | iii | iv | ii | i |
| 3. | iv | i | v | iii | ii |
| 4. | v | iii | ii | i | iv |
Subtopic: Â Growth Hormones & Auxin |Â Gibberellin |Â Cytokinin |Â Ethylene |Â Abscisic Acid |
 91%
Level 1: 80%+
Hints
The removal or inactivation of which of the following will lead to germination of many types of dormant seeds?
| 1. | ABA | 2. | Ethylene |
| 3. | Cytokinins | 4. | Gibberellins |
Subtopic: Â Abscisic Acid |
 71%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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