The Question is from neet-botany cell-biology introduction, and it was created by the author K SURESH KUMAR

Question

&hellip;&hellip; are an exception to cell theory

K SURESH KUMAR · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C
## CONCEPT FRAMEWORK
	**Primary Concept**: Cell Theory and its exceptions
	**Related Topics**: Characteristics of Living Organisms, Virus Structure
	**Prerequisites**: Basic understanding of Cell Theory and characteristics of different biological entities.
## SOLUTION PATHWAY
**Given Information**:
	 The question asks for an exception to the cell theory.
	The options include bacteria, fungi, viruses and lichens.
**Method & Steps**:
	1. Recall Cell Theory: All living organisms are composed of cells, and cells are the fundamental units of life.
		Reasoning: Understanding the core principle is essential for identifying the exception.
	2. Analyze Options:
		Bacteria, fungi and lichens are cellular organisms.
		Viruses are acellular, meaning they do not consist of cells.
	3. Determine Exception: Viruses are not cells, and therefore do not fit within the cell theory.
		Result: Viruses represent an exception to cell theory.
 ## OPTION ANALYSIS
[A] :x: Bacteria are cellular organisms and adhere to cell theory.
[B] :x: Fungi are cellular organisms and adhere to cell theory.
[C] ✓: Viruses are acellular and are an exception to cell theory.
[D] :x: Lichens are composed of fungi and algae/cyanobacteria, all of which are cellular.
 ## LEARNING AIDS
	**Common Mistakes**:
		1.[Error 1]: Confusing viruses with cellular organisms. [How to avoid]: Remember that viruses are not made of cells and are obligate parasites.
	**Quick Tips**:
		1.[Helpful shortcut]: Remember that the main exceptions to cell theory are viruses.

K SURESH KUMAR · Answer

Bacteria

K SURESH KUMAR · Answer

Fungi

K SURESH KUMAR · Answer

The correct Option is "Viruses"

K SURESH KUMAR · Answer

Lichens

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