Growth Hormones Auxin
High-Yield Trend
Questions 6 MCQs
One of the synthetic auxin is:
1. NAA
2. IAA
3. GA
4. IBA
Phototropic curvature is the result of uneven distribution of:
1. gibberellin
2. phytochrome
3. cytokinins
4. auxin
Auxin can be bioassayed by?
| 1. | Avena coleoptiles curvature |
| 2. | Hydroponics |
| 3. | Ptometer |
| 4. | Lettuce hypocotyl elongation |
Who coined the term 'Kinetin'?
| 1. | Skoog and Miller | 2. | Darwin |
| 3. | Went | 4. | Kurosawa |
Match the following concerning the activity/function and the phytohormone involved:
| Column-I | Column-II | ||
| (a) | Fruit ripener | (i) | Abscisic acid |
| (b) | Herbicide | (ii) | GA 3 |
| (c) | Bolting agent | (iii) | 2, 4-D |
| (d) | Stress hormone | (iv) | Ethephon |
Select the correct option from following:
| Options: | (a) | (b) | (c) | (d) |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iii) | (iv) | (ii) | (i) |
| 3. | (iv) | (iii) | (ii) | (i) |
| 4. | (iv) | (ii) | (i) | (iii) |
| 1. | promotes abscission of mature leaves only. |
| 2. | does not affect mature monocotyledonous plants. |
| 3. | can help in cell division in grasses, to produce growth. |
| 4. | promotes apical dominance |
Preparing Growth Hormones Auxin for NEET
Growth Hormones Auxin is a specific sub-topic that frequently appears in the NEET examination. Understanding the underlying principles and practicing targeted questions is key to mastering this concept.
The questions compiled above are previous year questions (PYQs) directly related to Growth Hormones Auxin. Practicing these specific questions helps you understand the difficulty level and the examiner's approach to this topic.
Topic Frequently Asked Questions
Is Growth Hormones Auxin a high-weightage topic?
You can refer to the priority and consistency badges at the top of this page. High priority topics should be thoroughly revised multiple times before the exam.
Should I memorize the solutions?
No, it is highly recommended to understand the core concept and methodology behind each solution rather than memorizing them, as exact questions are rarely repeated, but the concepts definitely are.