NOU MSc Zoology Part-1 Paper-3 Model Question 2026 New

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📅 18/06/2026

NOU MSc Zoology Part-1 Paper-1 2 3 4 5 6 7 8 Model Question 2026

M.Sc. Zoology Part-I – PAPER-III

(Ecology, Environmental Biology & Toxicology)

Previous Year Analysis (2012–2025)

Topic / QuestionTimes AskedYears Asked
Niche Concept & Ecological Significance52013, 2015, 2020, 2022, 2024
Ecological Model & Fundamentals52013, 2015, 2017, 2020, 2022
Role of Predation in Nature52014, 2020, 2022, 2024 (+ short note repeatedly)
Mutualism & Evolution of Mutualism52015, 2020, 2023, 2024 (+ short notes)
Environmental Stress on Animals42013, 2020, 2023, 2024
Adaptation with Environmental Change42020, 2022, 2024, 2025
Life Tables & Survivorship Curves42013, 2015, 2022, 2023
Competition in Nature32014, 2017, 2023
Evolution of Life-History Traits32013, 2022, 2024
Environmental Acts of India32013, 2015, 2023
Light & Pressure on Survival of Organisms32013, 2015, 2022
Impact of Temperature on Organisms22023, 2024
Carbon Cycle & Human Interference22020, 2024
Acid Rain42020, 2022, 2024, Short Notes
Oxygen Toxicity42013, 2020, 2023, 2024
Intertidal Zone32020, 2022, 2024

Most Repeated Short Notes

Short Note TopicTimes Asked
Mutualism5
Predation4
Competition4
Intertidal Zone3
Acid Rain4
Oxygen Toxicity4
Acclimatization3
Tolerance2
Environmental Ethics2
Estuaries2
Deciduous Forest2
Homeostasis2
Habitat Niche2
Animal-Animal Interaction2

Most Important Questions for 2026

PriorityTopic
★★★★★Niche Concept
★★★★★Ecological Model
★★★★★Mutualism
★★★★★Predation
★★★★★Life Tables & Survivorship Curve
★★★★☆Environmental Stress
★★★★☆Adaptation to Environmental Change
★★★★☆Competition
★★★★☆Environmental Acts of India
★★★★☆Light & Pressure Effects
★★★☆☆Carbon Cycle
★★★☆☆Nitrogen Cycle
★★★☆☆Temperature Effects

High Probability Short Notes (2026)

  1. Mutualism
  2. Predation
  3. Competition
  4. Acid Rain
  5. Oxygen Toxicity
  6. Intertidal Zone
  7. Acclimatization
  8. Environmental Ethics
  9. Estuaries
  10. Homeostasis

Top 5 Repeated Topics (Must Prepare)

RankTopicFrequency
1Niche Concept5 Times
2Ecological Model5 Times
3Predation5 Times
4Mutualism5 Times
5Environmental Stress / Adaptation4 Times

2026 Sure-Shot Preparation List

अगर समय कम है तो ये 10 टॉपिक जरूर पढ़ें:

  1. Niche Concept
  2. Ecological Model
  3. Mutualism
  4. Predation
  5. Life Tables
  6. Environmental Stress
  7. Adaptation
  8. Competition
  9. Acid Rain
  10. Oxygen Toxicity

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