Chapter 6 of 10
Chapter 6: Some Unique Places
Investigating extraordinary ecological habitats: Ladakh's cold desert, Meghalaya's living root bridges, the Great Rann of Kutch, and Loktak Lake | CBSE Session 2026–27
Core Pedagogical Competencies & Concepts
- Ladakh (High-Altitude Cold Desert): Located over 3,000 metres above sea level in the rain-shadow of the Himalayas; features freezing arid climate, double-humped Bactrian camels, and Changpa nomads rearing Pashmina goats.
- Living Root Bridges (Jingkieng Jri) of Meghalaya: Grown across decades by indigenous Khasi and Jaintia tribes who guide aerial roots of *Ficus elastica* trees across roaring monsoon rivers; live structures grow stronger with age.
- The Great Rann of Kutch (Gujarat): World's largest seasonal salt marsh; submerged during monsoons and transformed into a gleaming white salt desert in winter; home to the endangered Indian Wild Ass (*Ghudkhur*).
- Loktak Lake (Manipur): The only floating lake on Earth, covered with floating circular biomass islands called *phumdis*; houses the world's only floating wildlife sanctuary—Keibul Lamjao National Park—home to the endangered Sangai brow-antlered deer.
- Mawsynram & Cherrapunji: World's wettest inhabited locations receiving over 11,000 mm of annual rainfall due to funneling monsoon clouds trapped by Khasi Hills.
- Ecological Sensitivity: These unique natural habitats require strict environmental safeguards against plastic litter, unchecked commercial tourism, and habitat degradation.
All Textbook Exercises & In-Text Tasks (22 Questions)
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Q1
Comparative Geography
Why is Ladakh described as a 'Cold Desert'? How does its climate differ from the hot Thar Desert of Rajasthan?
[4 Marks]
✅ Step-by-Step Solution & Working
Why Ladakh is a Cold Desert:
- High Altitude Rain Shadow: Ladakh lies in the Himalayan rain shadow at an average elevation exceeding 3,000 metres. The massive Himalayan ranges block monsoon clouds from reaching it, resulting in sparse annual rainfall (less than 10 cm).
- Freezing Temperatures: Winter temperatures drop below -30°C, and rivers freeze solid. Air is so thin that solar radiation is intense while shadows remain freezing cold.
- Thar Desert: Characterized by scorching summer temperatures exceeding 48°C, sweeping sand dunes, and xerophytic thorny shrubs.
- Ladakh Cold Desert: Characterized by sub-zero freezing temperatures, snow-capped rocky mountains, glaciers, and sparse alpine vegetation along stream beds.
CBSE Step-by-Step Marking Scheme
Explanation of high altitude and Himalayan rain shadow effect
2 Marks
Clear contrast between freezing rocky desert and scorching sandy Thar desert
2 Marks
Q2
Indigenous Bio-Engineering
Explain how the Khasi and Jaintia tribes of Meghalaya create 'Living Root Bridges'. Why are these bridges superior to modern steel or wooden bridges in rainforests?
[4 Marks]
✅ Step-by-Step Solution & Working
Creation of Living Root Bridges (Jingkieng Jri):
- The Khasi and Jaintia tribes guide the flexible, aerial secondary roots of the Ficus elastica (Indian rubber fig tree) across mountain river chasms using hollowed betel nut tree trunks.
- Over 15 to 30 years, the aerial roots reach the opposite bank and take root in the soil.
- Villagers weave and intertwine the living roots together with rocks and timber, forming sturdy suspended pathways across the gorges.
- Living Structures Never Rot: In Meghalaya's extremely humid climate (receiving 11,000+ mm rain), steel bridges rust and timber bridges rot quickly. Living root bridges remain alive and absorb water.
- Strengthen with Age: As the tree grows and root trunks thicken, the bridge becomes sturdier over decades, supporting over 50 people simultaneously and surviving for centuries.
CBSE Step-by-Step Marking Scheme
Step-by-step description of guiding Ficus elastica aerial roots
2 Marks
Scientific explanation of why living roots do not rot and strengthen over time
2 Marks
Q3
Ecological Sanctuaries
What makes Loktak Lake in Manipur globally unique? What are 'phumdis' and which endangered animal lives on them?
[4 Marks]
✅ Step-by-Step Solution & Working
Unique Global Features of Loktak Lake:
- Loktak Lake is the largest freshwater lake in Northeast India and the world's only floating lake.
- What are Phumdis? Phumdis are thick, floating circular islands formed from a heterogeneous mass of soil, organic vegetation, and decomposed plant roots. Local fishermen (called *Meiteis*) build small thatched huts on larger phumdis to live and fish.
- Keibul Lamjao National Park: The southern part of the lake houses the world's only floating national park (spanning 40 sq km).
- Endangered Inhabitant: It is the exclusive natural home of the Sangai (Brow-antlered deer), fondly called the Dancing Deer of Manipur because it treads delicately on the spongy, floating phumdi vegetation.
CBSE Step-by-Step Marking Scheme
Identification of Loktak Lake as world's only floating lake
1 Mark
Accurate description of floating phumdis (soil and organic mats)
1.5 Marks
Keibul Lamjao National Park and endangered Sangai deer
1.5 Marks
Q4
Geomorphology & Wildlife
Describe the Great Rann of Kutch in Gujarat. How does it transition from a submerged sea into a white salt desert?
[3 Marks]
✅ Step-by-Step Solution & Working
The Great Rann of Kutch in Gujarat is the world's largest seasonal salt marsh:
- Monsoon Inundation: During the summer southwest monsoon (July to September), sea water from the Arabian Sea rushes in, flooding the vast low-lying basin into a shallow saline lake.
- Winter Transformation into White Desert: As the rains stop and the scorching winter sun evaporates the shallow water, billions of tons of crystalline salt remain deposited across thousands of square kilometers, creating a dazzling, snow-white salt plain.
- Unique Wildlife: The Little Rann of Kutch is the last global refuge of the endangered Indian Wild Ass (Khur), and its shallow saline waters host nesting colonies of thousands of migratory pink Greater Flamingos.
CBSE Step-by-Step Marking Scheme
Monsoon flooding from Arabian Sea explained
1 Mark
Evaporation leading to sparkling white salt crust
1 Mark
Identification of Indian Wild Ass and Flamingos
1 Mark
Q5
Animal Adaptations & Livelihood
Why are Changpa nomads of Ladakh deeply connected with the Pashmina goat? How does cold weather influence Pashmina wool?
[3 Marks]
✅ Step-by-Step Solution & Working
The Changpas are a nomadic pastoral tribe who live in high-altitude Changthang plateau at heights of 4,500 to 5,000 metres in portable cone-shaped yak-hair tents called Rebo.
Connection with Pashmina Goats:
Connection with Pashmina Goats:
- At extreme sub-zero temperatures (-40°C), the goats grow an exceptionally fine, warm undercoat of ultra-soft hair (underfleece) to protect their bodies from freezing.
- This hair is six times thinner than a human hair and cannot be spun by machine. In spring, the goats shed this fine coat, which the Changpas comb out carefully.
- Weavers in Kashmir hand-spin and hand-weave this fleece into world-renowned Pashmina shawls, providing the nomads with essential livelihood.
CBSE Step-by-Step Marking Scheme
Identification of Changpa tribe and high-altitude nomadic life
1 Mark
Biological adaptation of goat growing fine underfleece in freezing cold
1 Mark
Handwoven Pashmina shawl production and cultural trade
1 Mark
Q6
Meteorology & Topography
Why do Mawsynram and Cherrapunji receive the highest rainfall in the world? Explain the role of the Khasi Hills.
[3 Marks]
✅ Step-by-Step Solution & Working
Mawsynram and Cherrapunji in Meghalaya receive over 11,000 mm of rain annually due to their unique funnel-shaped topography:
- Moisture-laden monsoon winds traveling north from the warm Bay of Bengal hit the sudden, steep vertical wall of the Khasi Hills.
- The hills act like a gigantic funnel, trapping the rain clouds in a deep canyon.
- Forced to rise rapidly to over 1,400 metres, the air cools rapidly, causing intense, continuous condensation and torrential orographic rainfall over these two towns.
CBSE Step-by-Step Marking Scheme
Bay of Bengal monsoon winds identified
1 Mark
Funnel effect and barrier role of the steep Khasi Hills
1 Mark
Rapid orographic cooling resulting in world-record rainfall
1 Mark
Q7
Think and Discuss • Environmental Science & Ecology • Some Unique Places
[Textbook Activity & Question 1] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Find Out and Write • Observational Field Study • Some Unique Places
[Textbook Activity & Question 2] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Scientific Investigation • Ecosystem Relationships • Some Unique Places
[Textbook Activity & Question 3] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Traditional Wisdom & Community Stewardship • Conservation • Some Unique Places
[Textbook Activity & Question 4] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Survey & Data Collection • Experiential Inquiry • Some Unique Places
[Textbook Activity & Question 5] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Health, Diet & Human Biology • Nutritional Science • Some Unique Places
[Textbook Activity & Question 6] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Disaster Preparedness & Climate Resilience • Geography • Some Unique Places
[Textbook Activity & Question 7] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Biodiversity & Habitat Adaptations • Wildlife Protection • Some Unique Places
[Textbook Activity & Question 8] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Think and Discuss • Environmental Science & Ecology • Some Unique Places
[Textbook Activity & Question 9] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Find Out and Write • Observational Field Study • Some Unique Places
[Textbook Activity & Question 10] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Scientific Investigation • Ecosystem Relationships • Some Unique Places
[Textbook Activity & Question 11] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Traditional Wisdom & Community Stewardship • Conservation • Some Unique Places
[Textbook Activity & Question 12] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Survey & Data Collection • Experiential Inquiry • Some Unique Places
[Textbook Activity & Question 13] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Health, Diet & Human Biology • Nutritional Science • Some Unique Places
[Textbook Activity & Question 14] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Disaster Preparedness & Climate Resilience • Geography • Some Unique Places
[Textbook Activity & Question 15] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Biodiversity & Habitat Adaptations • Wildlife Protection • Some Unique Places
[Textbook Activity & Question 16] In 'Some Unique Places', 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 Some Unique Places, 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.
1. Field Inquiry / Observation: In Some Unique Places, 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
Eco-Tourism Guidelines for Fragile High-Altitude and Wetland Ecosystems
Booming tourism in Ladakh and Loktak Lake has resulted in diesel-spewing tourist vehicles, discarded single-use plastic water bottles in mountain streams, and motorboats disturbing nesting birds and wildlife.
Analytical Task: Formulate a code of conduct for responsible tourists visiting unique ecological wonders like Ladakh and Loktak Lake to preserve their delicate biodiversity.
Evaluation & Model Answer:
Responsible Eco-Tourist Code of Conduct:
- Zero Single-Use Plastic Mandate: Carry a refillable copper/steel water bottle; use community water-filtration refilling stations instead of buying commercial disposable plastic bottles.
- Leave No Trace (Pack It In, Pack It Out): Carry all personal snack wrappers and waste back to major towns with recycling facilities rather than littering remote mountain passes or lake shores.
- Silent & Clean Transport: Restrict motorboat speeds on Loktak Lake near the Keibul Lamjao floating sanctuary; encourage electric vehicles and bicycles in Leh town.
- Respect Indigenous Lifestyles & Wildlife: Keep a safe distance from wildlife (Pashmina goats, Sangai deer, wild asses); never feed wild animals human packaged food.
- Support Local Communities: Stay in traditional village homestays and purchase authentic handmade crafts (like local apricot jam and handwoven woolens) directly from indigenous artisans.
Rubric: 2 Marks for waste and plastic prevention rules + 3 Marks for wildlife respect, noise limits, and sustainable local community homestay support = 5 Marks