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

Question

Which one of the following statements about mycoplasma is wrong?

D VINOD · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C
## CONCEPT FRAMEWORK
	**Primary Concept**: Mycoplasma characteristics
	**Related Topics**: Bacterial structure, infectious diseases
	**Prerequisites**: Understanding of bacterial cell structures and metabolic types
## SOLUTION PATHWAY
**Given Information**:
		- Mycoplasmas lack a cell wall
		- Mycoplasmas are facultative anaerobes
		- Mycoplasmas have a small genome
		- Mycoplasmas have a rigid cell wall (statement to evaluate)
**Method & Steps**:
	1. Evaluate the characteristic of having a cell wall.
		Reasoning: Mycoplasmas are known for their lack of a cell wall, which is a defining feature.
		Formula/Rule: N/A
	2. Analyze the statement: 'Mycoplasmas have a rigid cell wall'.
		Working: Compare with known characteristics.
		Key Point: Mycoplasmas are distinct due to their lack of a cell wall.
	3. Conclusion: Statement C is incorrect.
		Result: Option C is the wrong statement.
		Verification: Cross-check with biological resources on mycoplasma.
 ## OPTION ANALYSIS
[A] :x: Mycoplasmas lack a cell wall. Explanation: Correct statement; they are unique among bacteria for this feature.
[B] :x: Mycoplasmas are facultative anaerobes. Explanation: This is true; they can survive in both aerobic and anaerobic conditions.
[C] ✓: Mycoplasmas have a rigid cell wall. Explanation: Incorrect; mycoplasmas are known for lacking a cell wall.
[D] :x: Mycoplasmas have a small genome. Explanation: True statement; they have one of the smallest genomes of self-replicating organisms.
 ## LEARNING AIDS
	**Common Mistakes**:
		1. [Confusing mycoplasma with other bacteria]: Mycoplasmas are unique due to their lack of a cell wall, unlike other bacteria.
		2. [Overlooking facultative anaerobe trait]: Ensure understanding of the metabolic flexibility of mycoplasmas.
	**Quick Tips**:
		1. [Remember key features]: Lack of cell wall is a standout feature.
		2. [Associate small genome with simplicity]: Mycoplasmas' small genome contributes to their basic structure and function.

D VINOD · Answer

Mycoplasmas lack a cell wall.

D VINOD · Answer

Mycoplasmas are facultative anaerobes.

D VINOD · Answer

The correct Option is "Mycoplasmas have a rigid cell wall."

D VINOD · Answer

Mycoplasmas have a small genome.

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