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Q. No.Which of the following statements is not correct?
| 1. | Phase of cell elongation of plant cells is characterized by increased vacuolation. |
| 2. | Cells in the meristematic phase of growth exhibit abundant plasmodesmatal connections |
| 3. | Plant growth is generally determinate |
| 4. | Plant growth is measurable |
Subtopic: Â Growth |
 79%
Level 2: 60%+
NEET - 2023
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The phenomenon by which the undividing parenchyma cells start to divide mitotically during plant tissue culture is called as :
1. Differentiation
2. Dedifferentiation
3. Redifferentiation
4. Secondary growth
1. Differentiation
2. Dedifferentiation
3. Redifferentiation
4. Secondary growth
Subtopic: Â Differentiation, Dedifferentiation and Redifferentiation |
 75%
Level 2: 60%+
NEET - 2022
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The ability of plants to follow different pathways in response to environment leading to formation of different kinds of structures are called :
1. Redifferentiation
2. Development
3. Plasticity
4. Differentiation
1. Redifferentiation
2. Development
3. Plasticity
4. Differentiation
Subtopic: Â Development |
 92%
Level 1: 80%+
NEET - 2022
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Subtopic: Â Growth Model |
 87%
Level 1: 80%+
NEET - 2015
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Formation of interfascicular cambium from fully developed parenchyma cells is an example of
| 1. | Redifferentiation | 2. | Dedifferentiation |
| 3. | Maturation | 4. | Differentiation |
Subtopic: Â Differentiation, Dedifferentiation and Redifferentiation |
 73%
Level 2: 60%+
NEET - 2024
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The living differentiated cells, that lost the capacity to divide anymore, can regain the capacity of division under certain conditions. This phenomenon is termed as:
| 1. | Redifferentiation | 2. | Maturation |
| 3. | Differentiation | 4. | Dedifferentiation |
Subtopic: Â Differentiation, Dedifferentiation and Redifferentiation |
 75%
Level 2: 60%+
NEET - 2022
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Which one of the following plants does not show plasticity?
1. Maize
2. Cotton
3. Coriander
4. Buttercup
1. Maize
2. Cotton
3. Coriander
4. Buttercup
Subtopic: Â Development |
 85%
Level 1: 80%+
NEET - 2022
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Plants follow different pathways in response to environment or phases of life to form different kinds of structures. This ability is called:
| 1. | Plasticity | 2. | Maturity |
| 3. | Elasticity | 4. | Flexibility |
Subtopic: Â Development |
 92%
Level 1: 80%+
NEET - 2021
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Match List-I with List-II:
Choose the correct answer from the options given below:
1. A-II, B-III, C- IV, D- I
2. A-III, B-II, C- I, D- IV
3. A-II, B-I, C- IV, D- III
4. A-II, B-I, C- III, D- IV
| List-I | List-II | ||
| A. | Abscisic acid | I. | Promotes female flowers in cucumber |
| B. | Ethylene | II. | Helps seeds to withstand desiccation |
| C. | Gibberellin | III. | Helps in nutrient mobilisation |
| D. | Cytokinin | IV. | Promotes bolting in beet cabbage etc |
1. A-II, B-III, C- IV, D- I
2. A-III, B-II, C- I, D- IV
3. A-II, B-I, C- IV, D- III
4. A-II, B-I, C- III, D- IV
Subtopic: Â Gibberellin |Â Cytokinin |Â Ethylene |Â Abscisic Acid |
 81%
Level 1: 80%+
NEET - 2024
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F. Skoog observed that callus proliferated from the internodal segments of tobacco stem when auxin was supplied with one of the following, except:
1. Extract of vascular tissues
2. Coconut milk
3. Abscisic acid
4. Yeast extract
1. Extract of vascular tissues
2. Coconut milk
3. Abscisic acid
4. Yeast extract
Subtopic: Â Growth Hormones & Auxin |
 75%
Level 2: 60%+
NEET - 2024
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