The Question is from neet-botany , and it was created by the author B VENKAT

Question

Which one of the following feature is shared by all living organism at all hierarchial level

B VENKAT · Accepted Answer

## CORE INFORMATION
✓ **Answer**: A
## CONCEPT FRAMEWORK
	**Primary Concept**: Characteristics of Life
	**Related Topics**: Biology, Hierarchy of Life (Cells, Tissues, Organs, Organ Systems, Organisms, Populations, Communities, Ecosystems, Biosphere)
	**Prerequisites**: Basic understanding of what constitutes a living organism.
## SOLUTION PATHWAY
**Given Information**:
	The question asks for a feature common to all living organisms across all levels of biological organization.
**Method & Steps**:
	1. Analyze each option based on its universality across all levels of life.
		Reasoning: We need to identify a characteristic present from the smallest unit of life (cell) to the largest ecological scales.
	2. Evaluate the presence of genetic material.
		Working: All living organisms, from single-celled bacteria to multicellular animals and plants, contain genetic material (DNA or RNA). This material carries the hereditary information that directs the organism's development and function.
		Key Point: Genetic material is fundamental to life and inheritance.
	3. Consider the other options.
		Result: While reproduction, growth, and metabolism are common characteristics of life, they are not universally present at all hierarchical levels. For example, specialized cells within a multicellular organism may not reproduce, and some organisms may be dormant and not actively metabolizing.
		Verification: Genetic material is the only option that is consistently present in all living organisms across all levels of biological organization.
## OPTION ANALYSIS
[A] ✓: All living organisms, regardless of their complexity, possess genetic material (DNA or RNA) that governs their structure and function. This is true from single cells to entire ecosystems, as genetic information is passed down through generations and dictates the characteristics of each organism.
[B] :x: Reproduction is essential for the continuation of a species but not all individual organisms reproduce. For instance, sterile worker bees in a colony do not reproduce, and specialized cells within a multicellular organism like neurons don't typically divide.
[C] :x: Growth is a common characteristic of living organisms, but not all organisms or parts of organisms grow continuously throughout their lifespan. Some organisms reach a certain size and stop growing, and some cells in a multicellular organism may not grow after reaching maturity.
[D] :x: Metabolism, the sum of all chemical processes within an organism, is a key feature of life. However, certain organisms can enter dormant states where metabolic activity is significantly reduced, like spores or seeds.  Also, not all components of an ecosystem exhibit metabolism (e.g., rocks, water).
## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing characteristics of life with characteristics of specific organisms: Remember that the question asks for a feature shared by *all* living organisms.
		2. Overlooking the hierarchical aspect: The correct answer must be applicable at all levels, from cells to ecosystems.
	**Quick Tips**:
		1. Focus on the fundamental requirements for life: Genetic material is essential for carrying hereditary information, making it a universal characteristic.
		2. Think about the smallest unit of life (the cell):  All cells contain genetic material.

B VENKAT · Answer

The correct Option is "Presence of genetic material"

B VENKAT · Answer

Ability to reproduce

B VENKAT · Answer

Capacity for growth

B VENKAT · Answer

Exhibiting metabolism

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