NOU MSc Zoology Part-1 Paper-1 Model Question 2026 
NOU MSc Zoology Part-1 Paper-1 Model Question 2026: M.Sc. Zoology Part-I – PAPER-I (Non-Chordates & Chordates)
2012–2025 Previous Year Analysis
| Topic / Question | Times Asked | Years Asked |
|---|---|---|
| Hydrostatic Movement (Coelenterata) | 7 | 2014, 2017, 2019, 2020, 2021, 2023, 2025 |
| Coelom & Organization of Coelom in Annelida | 6 | 2013, 2015, 2020, 2022, 2024, 2025 |
| Ciliary & Flagellar Movement in Protozoa | 6 | 2013, 2015, 2017, 2019, 2021, 2023 |
| Respiratory Pigments in Invertebrates | 6 | 2015, 2017, 2019, 2021, 2023, 2025 |
| Evolutionary Significance of Larval Forms of Invertebrates | 5 | 2012, 2013, 2021, 2023, 2025 |
| Filter Feeding in Polychaeta | 5 | 2015, 2017, 2019, 2020, 2022 |
| Affinities of Balanoglossus | 5 | 2013, 2015, 2020, 2021, 2024 |
| Different Types of Feather in Birds | 5 | 2020, 2022, 2024, 2025 (+ feather-related 2019) |
| Brain of Amphibia vs Mammals | 5 | 2012, 2014, 2020, 2022, 2024 |
| Epidermal Glands in Vertebrates | 5 | 2012, 2014, 2021, 2023, 2025 |
| Aortic Arches in Amphibia | 3 | 2019, 2023, 2025 |
| Paedogenesis / Neoteny in Amphibia | 3 | 2019, 2023, 2024 |
| Development & Function of Skin | 2 | 2022, 2025 |
| Respiration in Prawn | 3 | 2020, 2022, 2024 |
| Components of Blood | 2 | 2017, 2020 |
| Heart Comparison (Amphibia/Reptile/Mammal/Bird) | 5 | 2013, 2014, 2015, 2022, related questions repeatedly |
Most Repeated Short Notes
| Short Note Topic | Times Asked |
|---|---|
| Nephridia | 6 |
| Wheel Organ | 6 |
| Ctenoid Scale | 5 |
| Trochophore Larva | 4 |
| Pseudocoelomate | 4 |
| Medusa of Obelia Colony | 4 |
| Sebaceous Gland | 4 |
| Respiratory Pigments | 3 |
| Contour Feather | 3 |
| Echidna | 3 |
| Leucocytes | 3 |
| Renal Portal Vein | 2 |
| Ganoid Scale | 2 |
Important Questions for 2026
- Hydrostatic Movement in Coelenterata
- Coelom and Organization in Annelida
- Respiratory Pigments in Invertebrates
- Ciliary & Flagellar Movement in Protozoa
- Evolutionary Significance of Larval Forms
- Affinities of Balanoglossus
- Epidermal Glands in Vertebrates
- Brain of Amphibia and Mammals
- Aortic Arches in Amphibia
- Different Types of Feathers in Birds
Very Important Short Notes (High Probability)
- Nephridia
- Wheel Organ
- Ctenoid Scale
- Leucocytes
- Medusa of Obelia Colony
- Trochophore Larva
- Sebaceous Gland
- Renal Portal Vein
- Ganoid Scale
- Auricularia Larva
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