NCERT Class 5 The World Around Us / EVS • Classic CBSE Track

Chapter 19: A Seed tells a Farmer's Story

Damjibhai vs Hasmukh, Traditional Organic Farming vs Chemical Farming & Farmer Debt Trap | CBSE Session 2026–27

Core Pedagogical Competencies & Concepts
  • Damjibhai practiced traditional sustainable farming in Gujarat: saving indigenous seeds in dried gourds, using neem leaves against pests, and enriching soil with cow dung manure.
  • Hasmukh adopted modern farming: high-yield hybrid seeds, chemical fertilizers, synthetic insecticides, tube-well electric irrigation, and tractor bank loans.
  • Consequences of excessive chemical farming: soil loses natural fertility, crops require more and more expensive fertilizers, underground water tables plummet, and farmers fall into bank debt traps.
  • Traditional winter dish 'Undhiyu' cooked in inverted clay pots over hot coal pits.

All Textbook Exercises & In-Text Tasks (22 Questions)

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Q1 Textbook Exercise
How did Damjibhai preserve seeds from year to year? Compare his traditional farming methods with his son Hasmukh's modern practices.
[4 Marks]
✅ Step-by-Step Solution & Working
Damjibhai's Traditional Farming: Kept the best ripe bajra seeds in dried gourds (lauki) sealed with mud, accompanied by neem leaves to protect from insect pests. Soil was nourished with organic cow dung and crop rotation.
Hasmukh's Modern Farming: Bought expensive hybrid seeds from the market every season. Replaced cow dung with chemical fertilizers and sprayed synthetic pesticides. Bought a tractor and dug deep electric borewells.
Outcome: Initially profits rose, but soon chemical overuse hardened the soil, underground water dropped, and earnings were swallowed by bank loan interest.
CBSE Step-by-Step Marking Scheme
Damjibhai's natural seed saving and organic techniques 1.5 Marks
Hasmukh's chemical, hybrid, and mechanised inputs 1.5 Marks
Long-term soil degradation and debt consequences 1 Mark
Q2 Textbook Exercise
Why are earthworms called a farmer's best friends in organic farming?
[3 Marks]
✅ Step-by-Step Solution & Working
Earthworms are nature's natural ploughmen:
  1. They burrow continuously through the soil, creating countless tunnels that loosen the soil and allow air and water to penetrate deep to plant roots.
  2. They consume dead leaves and organic matter, producing rich worm castings (vermicompost) that contain vital minerals and natural nutrients for plants.
CBSE Step-by-Step Marking Scheme
Soil aeration through burrowing tunnels 1.5 Marks
Production of rich nutrient-dense vermicompost castings 1.5 Marks
Q3 Textbook Exercise
Why did modern chemical farming, which initially brought high profits, ultimately lead Hasmukh into severe debt?
[4 Marks]
✅ Step-by-Step Solution & Working
Hasmukh's modern agriculture entered an unsustainable downward spiral:
  • Skyrocketing Input Costs: Hybrid seeds cannot be saved from the harvest; new seeds, chemical fertilizers, and synthetic pesticides had to be bought from companies every single season at rising prices.
  • Depletion of Natural Soil Fertility: Chemical fertilizers destroyed soil microorganisms and earthworms, turning fertile soil hard and dead. Every year, more and more chemicals were needed to harvest the same quantity of crop.
  • Water Table Collapse: Electric borewells drained underground aquifers dry, forcing the installation of deeper, costlier submersible pumps.
  • Debt Trap: When crop market prices crashed or pests destroyed crops, farm income could not even pay the interest on bank tractor and pump loans.
CBSE Step-by-Step Marking Scheme
Rising costs of non-reusable hybrid seeds and chemicals 1.5 Marks
Destruction of earthworms and soil fertility exhaustion 1.5 Marks
Groundwater depletion and loan default debt trap 1 Mark
Q4 Textbook Exercise
What is 'Undhiyu'? How was it traditionally cooked by Gujarati farming families during the winter harvest?
[3 Marks]
✅ Step-by-Step Solution & Working
Undhiyu is a famous Gujarati winter harvest specialty:
  • Fresh seasonal vegetables (broad beans, baby eggplants, potatoes, sweet potatoes, yam, fenugreek dumplings / muthia) are tossed with aromatic spices and fresh coriander.
  • The ingredients are packed into an earthen clay pot (matka), and its mouth is sealed tightly with dough.
  • The pot is placed upside down ('Undhu') inside a pit filled with glowing hot wood coals. The vegetables cook slowly in their own steam, developing a divine smoky flavor, served with bajra rotis and fresh butter.
CBSE Step-by-Step Marking Scheme
Composition of winter seasonal vegetables and spices 1.5 Marks
Inverted sealed clay pot slow-cooking over coals (Undhu meaning upside down) 1.5 Marks
Q5 Textbook Exercise
What are indigenous (desi) heirloom seeds, and why are agricultural scientists urging farmers to conserve traditional seed banks?
[3 Marks]
✅ Step-by-Step Solution & Working
Indigenous (Desi) Seeds are traditional crop varieties nurtured and selected by generations of farmers over hundreds of years:
  • They possess natural genetic resilience against local droughts, floods, and native insect attacks without requiring synthetic chemical sprays.
  • They can be harvested, dried, and replanted every year for free.
  • Conserving heirloom seed banks preserves crop biodiversity, food security, and regional culinary heritage.
CBSE Step-by-Step Marking Scheme
Definition of traditional heirloom seeds and self-replacing nature 1.5 Marks
Natural pest/climate resistance and biodiversity preservation 1.5 Marks
Q6 Think and Discuss • Environmental Science & Ecology • A Seed tells a Farmer's Story
[Textbook Activity & Question 1] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q7 Find Out and Write • Observational Field Study • A Seed tells a Farmer's Story
[Textbook Activity & Question 2] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q8 Scientific Investigation • Ecosystem Relationships • A Seed tells a Farmer's Story
[Textbook Activity & Question 3] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q9 Traditional Wisdom & Community Stewardship • Conservation • A Seed tells a Farmer's Story
[Textbook Activity & Question 4] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q10 Survey & Data Collection • Experiential Inquiry • A Seed tells a Farmer's Story
[Textbook Activity & Question 5] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q11 Health, Diet & Human Biology • Nutritional Science • A Seed tells a Farmer's Story
[Textbook Activity & Question 6] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q12 Disaster Preparedness & Climate Resilience • Geography • A Seed tells a Farmer's Story
[Textbook Activity & Question 7] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q13 Biodiversity & Habitat Adaptations • Wildlife Protection • A Seed tells a Farmer's Story
[Textbook Activity & Question 8] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q14 Think and Discuss • Environmental Science & Ecology • A Seed tells a Farmer's Story
[Textbook Activity & Question 9] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q15 Find Out and Write • Observational Field Study • A Seed tells a Farmer's Story
[Textbook Activity & Question 10] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q16 Scientific Investigation • Ecosystem Relationships • A Seed tells a Farmer's Story
[Textbook Activity & Question 11] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q17 Traditional Wisdom & Community Stewardship • Conservation • A Seed tells a Farmer's Story
[Textbook Activity & Question 12] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q18 Survey & Data Collection • Experiential Inquiry • A Seed tells a Farmer's Story
[Textbook Activity & Question 13] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q19 Health, Diet & Human Biology • Nutritional Science • A Seed tells a Farmer's Story
[Textbook Activity & Question 14] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q20 Disaster Preparedness & Climate Resilience • Geography • A Seed tells a Farmer's Story
[Textbook Activity & Question 15] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q21 Biodiversity & Habitat Adaptations • Wildlife Protection • A Seed tells a Farmer's Story
[Textbook Activity & Question 16] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
Q22 Think and Discuss • Environmental Science & Ecology • A Seed tells a Farmer's Story
[Textbook Activity & Question 17] In 'A Seed tells a Farmer's Story', describe how students can conduct an empirical investigation or discussion on this topic and explain the scientific principles involved.
[3 Marks]
✅ Step-by-Step Solution & Working
Scientific Model Answer & Environmental Analysis:
1. Field Inquiry / Observation: In A Seed tells a Farmer's Story, students examine real-world ecological relationships, habitat dependencies, and sustainable environmental practices.
2. Scientific Core Principles: Applying primary scientific methods—such as formulating a hypothesis, measuring field parameters, and recording observations in a nature journal—reveals direct linkages between human communities and natural cycles.
3. Stewardship Conclusion: Understanding these concepts cultivates empathy for living organisms and empowers students to implement eco-friendly conservation measures in daily life.
CBSE Step-by-Step Marking Scheme
Observation methodology & identification of ecological concepts 1.0 M
Scientific explanation of natural cause-and-effect processes 1.0 M
Actionable conservation recommendations stated clearly 1.0 M
🌟 NEP 2020 Competency-Based Case Study

Damjibhai's Traditional Farming vs Hasmukh's Chemical Agriculture

An old Bajra seed reminisces how Damjibhai grew mixed crops with cow dung manure, neem leaf pest repellent, and community seed sharing. His son Hasmukh switched to expensive hybrid seeds, synthetic urea, borewell irrigation, and bank loans, leaving his grandson Paresh trapped in debt.

Analytical Task: Contrast the ecological sustainability of Damjibhai's traditional farming with Hasmukh's modern chemical farming, explaining why chemical farming leads to long-term soil degradation and financial debt.
Evaluation & Model Answer:
Ecological Contrast:
  • Damjibhai's Organic System: Used heirloom seeds, cow dung compost, and neem leaves. Earthworms aerated the soil, preserving moisture and biological fertility for decades at virtually zero monetary cost.
  • Hasmukh's Chemical System: Synthetic fertilizers provided temporary high yields but destroyed soil microorganisms, turning fertile soil sterile. Intensive borewell pumping depleted groundwater tables.
The Vicious Debt Cycle: Hybrid seeds cannot be saved for next year, requiring new purchases annually. As soil fertility declines, farmers must buy ever-larger quantities of expensive fertilizers and toxic pesticides. When market crop prices crash, farmers cannot repay bank loans, driving families into severe financial ruin.
Rubric: 2.5 Marks for ecological comparison (earthworms vs chemical sterilisation) + 2.5 Marks for debt cycle breakdown = 5 Marks