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

Question

Which of the following is NOT a characteristic feature of the family Fabaceae?

D VINOD · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
 **Primary Concept**: Plant morphology and taxonomy, specifically characteristics of the Fabaceae (Leguminosae) family.
 **Related Topics**: Plant classification, floral structures, fruit types, placentation.
 **Prerequisites**: Basic understanding of plant anatomy and terminology.
## SOLUTION PATHWAY
**Given Information**:
  The question asks to identify a feature NOT characteristic of the Fabaceae family.
  Options: Legume fruit, Diadelphous stamens, Marginal placentation, Trimerous flowers.
**Method & Steps**:
 1. Analyze each option to determine if it's a characteristic of Fabaceae.
  Reasoning: Fabaceae (Legumes) are known for specific floral and fruit structures.
 2. Identify the option that does NOT align with the typical characteristics of Fabaceae.
  Working: Let's examine each option:
  - Legume fruit: Fabaceae are characterized by legume fruits (pods).
  - Diadelphous stamens: Many Fabaceae members have diadelphous stamens (stamens fused in two bundles).
  - Marginal placentation:  Fabaceae typically exhibit marginal placentation (ovules attached along one suture of the ovary).
  - Trimerous flowers: Fabaceae flowers are typically pentamerous (having parts in fives), not trimerous (parts in threes).
 3. Conclude which option is the exception.
  Result: Trimerous flowers are not a characteristic of Fabaceae.
  Verification: The other three options are common features of the Fabaceae family.
 ## OPTION ANALYSIS
A ✓: Legume fruit is a defining characteristic of Fabaceae.
B :x: Diadelphous stamens are present in many Fabaceae species.
C :x: Marginal placentation is typical in Fabaceae ovaries.
D :x: Trimerous flowers are not a characteristic of Fabaceae; they usually have pentamerous flowers (five petals, five sepals, etc.).
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing Fabaceae characteristics with those of other plant families:  Careful study of family characteristics is crucial.
  2.Overgeneralizing: Not all Fabaceae members will exhibit every single characteristic; however, the majority share key features.
 **Quick Tips**:
  1.Remember the key features: Legume fruit, diadelphous stamens, and marginal placentation are good starting points.
  2.Use mnemonic devices to remember the characteristics of different plant families.

D VINOD · Answer

Legume fruit

D VINOD · Answer

Diadelphous stamens

D VINOD · Answer

Marginal placentation

D VINOD · Answer

The correct Option is "Trimerous flowers"

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