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

Question

Which of the following is NOT a part of the gynoecium?

Mr. NARESH KUMAR K · Accepted Answer

## CORE INFORMATION
✓ **Answer**: D
## CONCEPT FRAMEWORK
 **Primary Concept**: Plant reproductive anatomy, specifically the female reproductive part (gynoecium).
 **Related Topics**: Flower structure, pollination, fertilization.
 **Prerequisites**: Basic understanding of plant morphology.
## SOLUTION PATHWAY
**Given Information**:
  The question asks to identify the structure that is NOT part of the gynoecium.
  Options: Stigma, Style, Ovary, Filament
**Method & Steps**:
 1. Identify the components of the gynoecium.
  Reasoning: The gynoecium, also known as the pistil, is the female reproductive part of a flower. It typically consists of three main parts: the stigma, the style, and the ovary.
  Formula/Rule:  None directly applicable.
 2. Analyze each option to determine its role in the flower.
  Working: 
            * Stigma: The receptive tip of the carpel, where pollen lands.
            * Style: The stalk-like structure connecting the stigma to the ovary.
            * Ovary: The basal part of the carpel containing the ovules.
            * Filament: Part of the stamen (male reproductive organ), supporting the anther.
 3. Identify the option that is not a part of the gynoecium.
  Result: The filament is part of the stamen (male reproductive structure), not the gynoecium (female reproductive structure).
  Verification:  The other options (stigma, style, and ovary) are all integral components of the gynoecium.
 ## OPTION ANALYSIS
A ✓: Stigma:  The stigma is the receptive surface for pollen grains, a key part of the gynoecium.
B ✓: Style: The style is the stalk that connects the stigma to the ovary, essential for pollen tube growth.
C ✓: Ovary: The ovary houses the ovules, which develop into seeds after fertilization; a crucial part of the gynoecium.
D :x: Filament: The filament is part of the stamen (male reproductive organ) and is not associated with the gynoecium.
 ## LEARNING AIDS
 **Common Mistakes**:
  1.Confusing the parts of the stamen and the pistil: Carefully review the structure and function of each part of both male and female reproductive organs.
  2.Overlooking the function of each part: Understanding the role of each structure in reproduction helps distinguish them.
 **Quick Tips**:
  1.Remember the acronym 'SSO' for the main parts of the gynoecium: Stigma, Style, Ovary.
  2.Visualize a diagram of a typical flower to reinforce your understanding of the relative positions of the different parts.

Mr. NARESH KUMAR K · Answer

Stigma

Mr. NARESH KUMAR K · Answer

Style

Mr. NARESH KUMAR K · Answer

Ovary

Mr. NARESH KUMAR K · Answer

The correct Option is "Filament"

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