The region at the distal end of the highly vacuolated cell in the root represents:
1. Zone of meristematic activity
2. Zone of elongation
3. Zone of maturation
4. Zone of differentiation
Subtopic: Â Growth |
From NCERT
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Which of the following growth parameter will be used to measure growth in an isobilateral leaf?
1. Increase in length
2. Increase in surface area
3. Increase in volume
4. Increase in cell number
1. Increase in length
2. Increase in surface area
3. Increase in volume
4. Increase in cell number
Subtopic: Â Growth |
 81%
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Which of the following growth parameters cannot be used to measure growth in watermelon?
1. Surface area
2. Fresh weight
3. Cell number
4. Amount of protoplasm
1. Surface area
2. Fresh weight
3. Cell number
4. Amount of protoplasm
Subtopic: Â Growth |
From NCERT
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Which of the following structures indicates the open form of growth in plants?
1. Root
2. Leaf
3. Flower
4. Cork cambium
1. Root
2. Leaf
3. Flower
4. Cork cambium
Subtopic: Â Growth |
 58%
From NCERT
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Which of the following pairs is chemically identical?
| 1. | Inhibitor-II and dormin |
| 2. | Dormin and terpenes |
| 3. | Carotenoids and kinetin |
| 4. | N6 - furfuryl amino purine and IAA |
Subtopic: Â Growth Hormones & Auxin |
 72%
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Select the incorrect match.
| 1. | Auxin | - Indole compound |
| 2. | Ethylene | - Adenine derivative |
| 3. | ABA | - Derivative of carotenoids |
| 4. | Gibberellic acid | - Composed of terpenes |
Subtopic: Â Growth Hormones & Auxin |
 87%
From NCERT
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Vernalisation is:
1. Low pH treatment
2. Low temperature treatment
3. High temperature treatment
4. High pH treatment
1. Low pH treatment
2. Low temperature treatment
3. High temperature treatment
4. High pH treatment
 88%
From NCERT
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Which one of the following generally acts as an antagonist to gibberellins?
1. Zeatin
2. Ethylene
3. ABA
4. IAA
1. Zeatin
2. Ethylene
3. ABA
4. IAA
Subtopic: Â Abscisic Acid |
 91%
From NCERT
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Subtopic: Â Growth Hormones & Auxin |
 83%
From NCERT
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Vernalisation is:
1. Low pH treatment
2. Low temp treatment
3. High temp treatment
4. High pH treatment
1. Low pH treatment
2. Low temp treatment
3. High temp treatment
4. High pH treatment
 92%
From NCERT
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