The Question is from neet-botany , and it was created by the author Mr. NARESH KUMAR K

Question

Which of the following characteristics is NOT associated with Mycoplasma?

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: [Option D]
## CONCEPT FRAMEWORK
	**Primary Concept**: Characteristics of Mycoplasma
	**Related Topics**: Bacterial cell structure, Pathogenic microorganisms
	**Prerequisites**: Understanding of prokaryotic vs. eukaryotic cells
## SOLUTION PATHWAY
**Given Information**:
		- Mycoplasma is a type of bacteria.
		- Known for unique characteristics such as lack of a cell wall.
**Method & Steps**:
	1. Identify the characteristics of Mycoplasma.
		Reasoning: Mycoplasma are known for their distinct structural features.
		Formula/Rule: Mycoplasma typically lack a cell wall and have flexible cell membranes.
	2. Analyze each option:
		[A] Lack of a cell wall - True for Mycoplasma.
		[B] Ability to survive without oxygen - Many Mycoplasma species are facultative anaerobes.
		[C] Pathogenicity to plants and animals - Some species are pathogenic.
		[D] Presence of a well-defined nucleus - Mycoplasma are prokaryotic and lack a nucleus.
	3. Conclusion on the incorrect characteristic:
		Result: The presence of a well-defined nucleus is NOT associated with Mycoplasma.
		Verification: Mycoplasma are prokaryotes and do not have a nucleus, confirming option D is correct.
 ## OPTION ANALYSIS
[A] :x: [This is a characteristic of Mycoplasma. They do lack a cell wall.]
[B] :x: [This is true; Mycoplasma can survive without oxygen.]
[C] :x: [Mycoplasma includes pathogenic species affecting plants and animals.]
[D] ✓: [Correct; Mycoplasma do not have a well-defined nucleus, as they are prokaryotic organisms.]
 ## LEARNING AIDS
	**Common Mistakes**:
		1. Confusing prokaryotic and eukaryotic cells: Remember that prokaryotes, like Mycoplasma, lack membrane-bound organelles.
		2. Misunderstanding bacterial characteristics: It's important to memorize key features of different bacterial genera.
	**Quick Tips**:
		1. Associate Mycoplasma with their distinct lack of a cell wall to easily recall their unique nature.
		2. Remember that all prokaryotes do not have a nucleus, which sets Mycoplasma apart from eukaryotic cells.

Mr. NARESH KUMAR K · Answer

Lack of a cell wall

Mr. NARESH KUMAR K · Answer

Ability to survive without oxygen

Mr. NARESH KUMAR K · Answer

Pathogenicity to plants and animals

Mr. NARESH KUMAR K · Answer

The correct Option is "Presence of a well-defined nucleus"

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