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

Question

Which one of the following are intracellular obligate parasites?

B VENKAT · Accepted Answer

## CORE INFORMATION
✓ **Answer**: B
## CONCEPT FRAMEWORK
	**Primary Concept**: Intracellular Obligate Parasitism
	**Related Topics**: Parasitism, Cell Biology, Microbiology
	**Prerequisites**: Basic knowledge of different types of microorganisms and their modes of life.
## SOLUTION PATHWAY
**Given Information**:
	* Question asks for intracellular obligate parasites.
	* Options include bacteria, viruses, slime molds, and blue-green algae.
**Method & Steps**:
	1.	Recall the definition of an intracellular obligate parasite: An organism that can only reproduce inside a host cell.
		Reasoning: This is a definition-based recall.
	2.	Consider each option:
		* Bacteria: Can replicate both intracellularly and extracellularly.
		* Viruses: Are obligate intracellular parasites.
		* Slime molds: Are free-living organisms.
		* Blue-green algae (cyanobacteria): Are photosynthetic bacteria capable of self-replication.
	3.	Identify the correct answer.
		Result: Viruses are the only obligate intracellular parasites among the options.
		Verification: The definition of a virus aligns with the question's criteria.
 ## OPTION ANALYSIS
[A] :x: Bacteria are not obligate intracellular parasites; they can replicate outside of host cells.
[B] ✓: Viruses are obligate intracellular parasites, requiring a host cell for replication.
[C] :x: Slime molds are free-living organisms and are not obligate intracellular parasites.
[D] :x: Blue-green algae (cyanobacteria) are photosynthetic bacteria and are not obligate intracellular parasites.
 ## LEARNING AIDS
	**Common Mistakes**:
		1.[Error 1]: Confusing obligate intracellular parasites with other types of parasites. [How to avoid]: Review the definitions of different parasitic relationships.
		2.[Error 2]: Assuming all microorganisms are obligate intracellular parasites. [How to avoid]: Understand the diversity of microbial life.
	**Quick Tips**:
		1.[Helpful shortcut]: Remember that viruses are the quintessential example of obligate intracellular parasites.
		2.[Memory aid]: The 'obligate' part in the term should remind you that the parasite *must* live inside a cell.

B VENKAT · Answer

Bacteria

B VENKAT · Answer

The correct Option is "Viruses"

B VENKAT · Answer

Slime moulds

B VENKAT · Answer

Blue-green algae

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