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Question #46095
The Question
In the architectural design of a Biosphere Reserve, the core zone is legally protected and undisturbed, surrounded by the buffer and transition zones. If an aggressive alien weed heavily colonizes the buffer zone due to anthropogenic activities in the transition zone, which of the following statements correctly predicts the systemic ecological fallout?
Options
- A.
The core zone remains ecologically stable as strict legal boundaries inherently prevent the penetration of alien species, ensuring successful in-situ conservation.
- B.
The 'edge effect' is amplified, allowing the invasive species to penetrate the core zone, effectively turning this in-situ refugium into an ecological trap for endemic species.
- C.
The endemic species of the core zone will exhibit competitive exclusion over the alien species, thereby increasing the overall species richness of the reserve.
- D.
The reserve must immediately be reclassified as an ex-situ conservation site, such as a wildlife sanctuary, to protect the remaining endemic flora.
Check Your Answer
Correct Answer
Step-by-Step Solution
Explanation
How the Examiner Thinks
Comparative_Analysis
Sharpen your ability to evaluate multiple scenarios and distinguish between competing potential answers.
Concepts Behind This Question
Hotspots|Species-Area Relationship|Endemism
Why This Question Is Tricky
Common Mistakes
Conceptual Pivot: Students often assume that 'legal protection' or 'zonation' of a core zone equates to absolute biological immunity.
This question tests the synthesis of the 'Edge Effect' with 'Alien Species Invasion' to demonstrate how in-situ strategies can fail systemically.
Furthermore, Option D exploits a high-frequency NEET misconception by misclassifying a wildlife sanctuary as an ex-situ conservation method.
Quick Facts About This Question
Question Information
| Subject | Biology |
| Chapter | Biodiversity and Conservation - Class 12 |
| Concept | Convention on Biological Diversity |
| Difficulty | 8 |
| Cognitive Load | 5 |
| Target Solve Time | 120 sec |
| Access | Free |