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

Question

Heterocysts present in Nostoc are specialised for

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: C
## CONCEPT FRAMEWORK
	**Primary Concept**: Function of Heterocysts
	**Related Topics**: Cyanobacteria, Nitrogen cycle
	**Prerequisites**: Basic knowledge of cyanobacteria and their cell structures
## SOLUTION PATHWAY
**Given Information**:
	Heterocysts are structures found in Nostoc
	The question is asking for the function of heterocysts
**Method & Steps**:
	1.	Recall the function of heterocysts.
		Reasoning: Heterocysts are specialized cells in cyanobacteria responsible for nitrogen fixation.
		Formula/Rule: None applicable
	2.	Identify the correct option.
		Working: Heterocysts are known for nitrogen fixation, not photosynthesis, food storage, or fragmentation.
		Key Point: Heterocysts create an anaerobic environment for nitrogenase enzyme.
	3.	Select the correct answer.
		Result: Option C is the correct answer.
		Verification: Based on biological knowledge.
## OPTION ANALYSIS
[A] :x: Heterocysts do not perform photosynthesis; they lack photosystem II.
[B] :x: Heterocysts are not for food storage.
[C] ✓: Heterocysts are specialized for nitrogen fixation.
[D] :x: Fragmentation is a method of reproduction, not a function of heterocysts.
## LEARNING AIDS
	**Common Mistakes**:
		1.[Error 1]: Confusing heterocysts with other cell types.
			[How to avoid]: Remember the unique role of heterocysts in nitrogen fixation.
		2.[Error 2]: Thinking all cyanobacteria cells perform all functions.
			[How to avoid]: Understand cell specialization.
	**Quick Tips**:
		1.[Helpful shortcut]: Associate 'heterocysts' with 'nitrogen fixation'.
		2.[Memory aid]: Think of 'N' in Nostoc and 'N' in nitrogen fixation.

Mr. NARESH KUMAR K · Answer

Photosynthesis

Mr. NARESH KUMAR K · Answer

Food storge

Mr. NARESH KUMAR K · Answer

The correct Option is "Nitrogen fixation"

Mr. NARESH KUMAR K · Answer

Fragmentation

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