The Question is from neet-botany biological-classification , and it was created by the author NISHANTH

Question

Which of the following is NOT a characteristic of a virus?

NISHANTH · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C
## CONCEPT FRAMEWORK
 **Primary Concept**: Viral characteristics
 **Related Topics**: Cell biology, microbiology, virology
 **Prerequisites**: Basic understanding of cell structure and function.
## SOLUTION PATHWAY
**Given Information**:
  The question asks to identify a characteristic that is NOT present in viruses.
  Options: Presence of genetic material, ability to replicate inside a host cell, independent metabolism, non-cellular organization.
**Method & Steps**:
 1. Analyze each option to determine if it applies to viruses.
  Reasoning: Viruses are acellular entities, meaning they lack the cellular structures found in living organisms.
 2. Evaluate the characteristics of viruses.
  Working: Viruses possess genetic material (DNA or RNA), but they cannot replicate independently. They require a host cell to provide the necessary machinery for replication.  They lack independent metabolism; they rely entirely on the host cell's metabolic processes.
 3. Identify the option that does not describe a virus.
  Result: Independent metabolism is not a characteristic of viruses. They are obligate intracellular parasites, meaning they must infect a host cell to carry out their life cycle.
  Verification:  The other options (genetic material, ability to replicate inside a host cell, and non-cellular organization) are all true characteristics of viruses.
 ## OPTION ANALYSIS
A :x: Presence of genetic material is a characteristic of viruses. Viruses contain either DNA or RNA.
B :x: Ability to replicate inside a host cell is a defining characteristic of viruses. They hijack the host cell's machinery to reproduce.
C ✓: Independent metabolism is NOT a characteristic of viruses. Viruses lack the cellular machinery for independent metabolism and rely entirely on the host cell.
D :x: Non-cellular organization is a defining characteristic of viruses. They are acellular, meaning they are not composed of cells.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing viruses with bacteria: Bacteria are cellular organisms with independent metabolism, while viruses are acellular.
   How to avoid: Remember the key difference: cells vs. acellular particles.
  2.Overlooking the obligate intracellular nature of viruses:
   How to avoid: Focus on the dependence of viruses on host cells for replication and metabolism.
 **Quick Tips**:
  1.Think of viruses as genetic information wrapped in a protein coat, relying entirely on a host cell for survival and replication.
  2.Remember the acronym:  V-IRUSES (Very Irritating Replicating Units, Selfish Entities)

NISHANTH · Answer

Presence of genetic material

NISHANTH · Answer

Ability to replicate inside a host cell

NISHANTH · Answer

The correct Option is "Independent metabolism"

NISHANTH · Answer

Non-cellular organization

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