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

Question

The symbiotic relationship between legumes and rhizobia is an example of:

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: A
## CONCEPT FRAMEWORK
 **Primary Concept**: Symbiotic Relationships
 **Related Topics**: Nitrogen fixation, plant-microbe interactions, ecological interactions
 **Prerequisites**: Understanding of different types of symbiotic relationships (mutualism, parasitism, commensalism, amensalism).
## SOLUTION PATHWAY
**Given Information**:
  The relationship between legumes and rhizobia.
  Legumes are plants; rhizobia are nitrogen-fixing bacteria.
**Method & Steps**:
 1. Identify the type of interaction.
  Reasoning: Legumes provide rhizobia with a habitat (within root nodules) and carbohydrates. In return, rhizobia convert atmospheric nitrogen into ammonia, a form of nitrogen usable by the legume. Both organisms benefit.
  Formula/Rule: None directly applicable; this is a qualitative assessment of the symbiotic interaction.
 2. Compare the interaction to the definitions of different symbiotic relationships.
  Working: 
            * **Mutualism:** Both species benefit. This fits the legume-rhizobia relationship.
            * **Parasitism:** One species benefits, the other is harmed.  This is not the case here.
            * **Commensalism:** One species benefits, the other is neither harmed nor helped. This doesn't apply.
            * **Amensalism:** One species is harmed, the other is unaffected. This is not the case.
 3. Determine the correct answer.
  Result: Mutualism
  Verification: The description of the interaction clearly indicates a mutualistic relationship where both the legume and the rhizobia experience a net benefit.
 ## OPTION ANALYSIS
A ✓: Mutualism is correct because both the legume and the rhizobia benefit from their interaction. Legumes gain access to usable nitrogen, and rhizobia obtain nutrients and a protected environment.
B :x: Parasitism is incorrect because neither organism is harmed in this relationship.
C :x: Commensalism is incorrect because both organisms benefit, not just one.
D :x: Amensalism is incorrect because neither organism is harmed.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing mutualism with commensalism: Remember that in mutualism, *both* species benefit, while in commensalism, only one benefits.
  2.Overlooking the benefits to both organisms: Carefully examine what each species gains from the interaction.
 **Quick Tips**:
  1.Use a mnemonic device to remember the types of symbiotic relationships (e.g., Mutualism: both benefit, Parasitism: one benefits, one harmed, etc.).
  2.Draw a diagram to visualize the interaction and the benefits/harms to each organism.

Mr. NARESH KUMAR K · Answer

The correct Option is "Mutualism"

Mr. NARESH KUMAR K · Answer

Parasitism

Mr. NARESH KUMAR K · Answer

Commensalism

Mr. NARESH KUMAR K · Answer

Amensalism

NEET Botany Mineral Nutrition Root Nodule Formation MCQs

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