Identify the incorrect statement regarding the arithmetic growth?

1. Following mitosis, both daughter cells continue to divide
2. Can be exemplified by root elongating at a constant rate
3. On plotting the length of the organ against time, a linear curve is obtained
4. Mathematically it is expressed as Lt=L0+rt

Subtopic:  Growth | Growth Terminology |
 78%
From NCERT
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The shape of the growth curve characteristic of a living organism growing in natural environment is:

 
1. Linear 2. Sigmoid
3. Hyperbola 4. Bell shaped
Subtopic:  Growth Terminology |
 90%
From NCERT
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Plant growth and further development is intimately linked to water status of the plant because:
A. Turgidity of cells helps in extension growth
B. It provides medium for enzymatic activity
1. Both A and B are correct                             
2. Only A is correct
3. Only B is correct                                         
4. Both A and B are incorrect

Subtopic:  Growth | Growth Terminology |
 88%
From NCERT
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The optimum temperature range for proper growth in most plants is:

 
1. \(0^\circ C - 100^\circ C\) 2. \(15^\circ C - 20^\circ C\)
3. \(28^\circ C - 30^\circ C\) 4. Greater than \(45^\circ C\)
Subtopic:  Growth Terminology | Development |
 66%
From NCERT
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Consider the given diagram and select the correct inference:

1. Both leaves have shown different absolute growths
2. First leaf has exhibited growth but second leaf has not as it is already senescent
3. The relative growth of first leaf is more than that of the second leaf
4. Both leaves have exhibited equal relative growths
Subtopic:  Growth | Growth Terminology |
 80%
From NCERT
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To differentiate into a tracheary element, a cell would:
1. Gain protoplasm
2. Become multinucleate
3. Assimilate lot of collagen and elastin
4. Develop lignocellulosic secondary cell wall

Subtopic:  Development | Differentiation, Dedifferentiation and Redifferentiation |
 81%
From NCERT
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Formation of interfascicular cambium and cork cambium is possible most importantly because of:

1. Differentiation 2. Dedifferentiation
3. Redifferentiation 4. Reverse differentiation
Subtopic:  Differentiation, Dedifferentiation and Redifferentiation |
 81%
From NCERT
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The growth in plants can be best expressed as [refer Section 15.2]:

1. Open 2. Determinate
3. Closed 4. Redundant
Subtopic:  Growth |
 87%
From NCERT
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Development is a term that includes all changes that a plant goes through during its life cycle:
1. till germination of the seed
2. during its vegetative growth
3. from germination till flowering
4. from germination to senescence

Subtopic:  Development | Differentiation, Dedifferentiation and Redifferentiation |
 87%
From NCERT
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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. Efficiency index 2. Plasticity
3. Norm of reaction 4. Developmental noise
Subtopic:  Growth Terminology | Development |
 95%
From NCERT
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