BGYCT-137 IGNOU Solved Assignment 2026-27

BGYCT-137 Solved Assignment (Stratigraphy and Palaeontology) TMA Solutions

This verified digital PDF guide addresses the 30% mandatory course weightage for BGYCT-137, offering precise, university-validated answers for all TMA questions. Solutions align with the latest IGNOU curriculum (eGyanKosh-verified) and include word-count compliance (500/250/100 words) for each question block.

Key Syllabus Blocks Covered

• Block 1: Fundamentals of Stratigraphy
  • Principles of superposition, original horizontality, and cross-cutting relationships with real-world case studies.
  • Stratigraphic classification: Lithostratigraphy, Biostratigraphy, and Chronostratigraphy—detailed definitions and examples.
  • Solution: Q1 (500 words) Explain the significance of the Principle of Faunal Succession in correlating rock layers globally.
• Block 2: Stratigraphy of India
  • Major stratigraphic divisions: Dharwar Supergroup, Vindhyan Supergroup, and Gondwana Supergroup—key formations and depositional environments.
  • Role of Vindhyan Basin and Cuddapah Basin in understanding India’s geological history.
  • Solution: Q2 (250 words) Compare the lithological characteristics of the Rajmahal Traps and Deccan Traps with their tectonic implications.
• Block 3: Introduction to Palaeontology
  • Fossilization processes: Permineralization, mummification, and compression—with diagrams for clarity.
  • Palaeontological significance of index fossils in dating geological strata.
  • Solution: Q3 (100 words) Differentiate between trace fossils and body fossils, citing examples from the Cambrian Explosion.
• Block 4: Invertebrate Palaeontology
  • Classification and evolutionary trends in Brachiopods, Brachiopods, and Cephalopods—focus on Devonian and Permian faunas.
  • Palaeoenvironmental reconstructions using Ammonites and Trilobites.
  • Solution: Q4 (500 words) Analyze the extinction patterns of Permian Trilobites and their correlation with the P-T Mass Extinction Event.

FAQs

Q: Are the solutions for BGYCT-137 TMA available in Hindi? Yes, this guide includes verified answers in both English and Hindi, formatted as per IGNOU’s bilingual assignment requirements.

Q: How do I ensure my TMA submission meets IGNOU’s plagiarism policy? All provided solutions are 100% plagiarism-free, with references cited in APA/IGNOU format. Use the included word-count trackers to avoid exceeding limits.

Assignment Submission Deadlines (Current Academic Session)

Deadlines for TMA submission are published on the IGNOU Student Portal. For BGYCT-137, the typical submission window is June–July and December–January for odd/even semesters. Always cross-verify with your Study Center’s notice board.