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Q. No.Heterophyllous development due to environment is an example of:-
1. Developmental noise
2. Norm of the reaction
3. Convergence
4. Plasticity
Subtopic: Â Development |
 94%
Level 1: 80%+
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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 |
 91%
Level 1: 80%+
NEET - 2021
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Different types of leaves in different phases of life in cotton, coriander and larkspur are an example of:
1. Pleiotropy
2. Phenotypic plasticity
3. Developmental noise
4. Polygenic trait
1. Pleiotropy
2. Phenotypic plasticity
3. Developmental noise
4. Polygenic trait
Subtopic: Â Development |
 90%
Level 1: 80%+
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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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The phenomenon of heterophily:
| 1. | Is found in cotton, coriander, larkspur and buttercup |
| 2. | Is an example of platicity |
| 3. | Occurs as a result of development or in response to environment |
| 4. | All are correct |
Subtopic: Â Development |
 95%
Level 1: 80%+
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| Assertion (A): | Development is the sum total of growth and differentiation. |
| Reason (R): | Development is controlled by extrinsic factors as well as intrinsic factors. |
Choices for Assertions and reasons:
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). |
| 3. | (A) is true, but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Â Development |
 72%
Level 2: 60%+
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External stimuli would be received most quickly by a plant cell if the receptors for signal transduction were located in the
1. plasma membrane
2. cytoplasmic matrix.
3. endoplasmic reticulum
4. nuclear membrane
1. plasma membrane
2. cytoplasmic matrix.
3. endoplasmic reticulum
4. nuclear membrane
Subtopic: Â Growth Terminology |Â Development |
 69%
Level 2: 60%+
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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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All the following plants exhibit difference in shape of leaves in juvenile and in mature phase of their life cycle except:
1. Cotton
2. Coriander
3. Larkspur
4. Buttercup
1. Cotton
2. Coriander
3. Larkspur
4. Buttercup
Subtopic: Â Development |
 77%
Level 2: 60%+
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