The Question is from neet-botany biodiversity what-is-living, and it was created by the author NISHANTH

Question

Which of the following are considered as the twin characteristics of growth?
I. Responses to stimuli
II. Increases in mass
III. Increases in the number of individuals
IV. Increases in width

NISHANTH · Accepted Answer

## CORE INFORMATION
✓ **Answer**: B
## CONCEPT FRAMEWORK
	**Primary Concept**: Biological Growth
	**Related Topics**: Development, Cell Division, Increase in Size
	**Prerequisites**: Basic understanding of biological growth.
## SOLUTION PATHWAY
**Given Information**:
	Options related to characteristics of growth.
**Method & Steps**:
	1. **Understanding Growth**: Biological growth is fundamentally characterized by an increase in size and mass.
		Reasoning: This involves both cell division (increasing cell number) leading to larger size and accumulation of cellular material leading to increased mass.
	2. **Analyzing Options**:  We need to identify the options that directly reflect increases in size and mass.
		Working:  'Increases in mass' (II) is a direct indicator of growth. 'Increases in width' (IV) represents an increase in size, a core component of growth. 
	3. **Eliminating Incorrect Options**: Responses to stimuli (I) are related to sensitivity, not growth. Increases in the number of individuals (III) refers to population growth, not individual growth.
		Result: II and IV are the correct options.
		Verification: These two options accurately represent the twin aspects of increased size and mass associated with growth.
## OPTION ANALYSIS
[A] :x: While 'Increases in mass' (II) is correct, 'Responses to stimuli' (I) is related to irritability, not growth.
[B] ✓: 'Increases in mass' (II) and 'Increases in width' (IV) correctly represent the twin characteristics of growth, focusing on mass and size increase.
[C] :x: 'Responses to stimuli' (I) is incorrect, as it relates to irritability. 'Increases in the number of individuals' (III) refers to population growth, not individual growth.
[D] :x: While 'Increases in width' (IV) is correct, 'Increases in the number of individuals' (III) refers to population growth, not individual growth.
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing growth with development: Development includes growth but also encompasses other changes like differentiation and maturation.
			How to avoid: Focus on the core aspects of growth - size and mass increase.
		2. Confusing individual growth with population growth:  An increase in the number of individuals relates to population studies, not individual growth.
			How to avoid: Pay close attention to the context of 'growth' being discussed.
	**Quick Tips**:
		1. Remember the two key words: Mass and Size.
		2. Visualize growth in terms of physical dimensions and the accumulation of matter.

NISHANTH · Answer

I and II

NISHANTH · Answer

The correct Option is "II and IV"

NISHANTH · Answer

I and III

NISHANTH · Answer

III and IV

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