20. With suitable examples, describe human perturbation to the global carbon cycle. [12 Marks]

Points to Remember: Human activities significantly alter the global carbon cycle. Key perturbations include fossil fuel combustion, deforestation, and land-use change. These perturbations lead to increased atmospheric CO2, contributing to climate change. Mitigation strategies involve reducing emissions and enhancing carbon sinks. Introduction: The global carbon cycle describes the continuous movement of carbon atoms through various … Read more

21. Explain the difference between chlorofluorocarbon (CFC), hydrofluorocarbon (HFC) and the significance of Kigali agreement. [10 Marks]

Points to Remember: Definition and chemical structure of CFCs and HFCs. Ozone depletion potential (ODP) and global warming potential (GWP) of both. The Montreal Protocol and its amendments. The Kigali Amendment to the Montreal Protocol. Significance of the Kigali Agreement in mitigating climate change. Introduction: Chlorofluorocarbons (CFCs) and hydrofluorocarbons (HFCs) are both man-made chemicals widely … Read more

17. Write about the causes of the loss of biodiversity. Write about the International Red Data Book and give an account of the categories of threatened species. [12 Marks]

Points to Remember: Causes of Biodiversity Loss: Habitat loss, pollution, climate change, invasive species, overexploitation. International Red Data Book: IUCN’s publication documenting the conservation status of species. Threatened Species Categories: Extinct, Extinct in the Wild, Critically Endangered, Endangered, Vulnerable, Near Threatened, Least Concern. Introduction: Biodiversity, encompassing the variety of life on Earth at all its … Read more

18. What are the characteristics and types of solid waste? Write a critical note on the problem of solid waste management keeping Bengaluru metropolitan city in view. [12 Marks]

Points to Remember: Characteristics of solid waste (composition, volume, generation rate, etc.) Types of solid waste (organic, inorganic, hazardous, etc.) Problems of solid waste management in Bengaluru (landfills, overflowing bins, lack of segregation, etc.) Solutions and best practices for solid waste management in Bengaluru (improved segregation, composting, recycling, waste-to-energy plants, etc.) Introduction: Solid waste management … Read more

19. Discuss the possible ecological impacts of river linking project in India. [12 Marks]

Points to Remember: Potential benefits of river linking (water security, irrigation, hydropower) Potential negative ecological impacts (habitat loss, biodiversity reduction, altered river flows, salinity intrusion) Social and economic consequences linked to ecological impacts (displacement, livelihood disruption) Mitigation strategies and sustainable approaches Introduction: India’s ambitious river linking project aims to transfer surplus water from water-rich basins … Read more

15. Compare and contrast between National Parks and Wildlife Sanctuaries. List any five important National Parks and Wildlife Sanctuaries of India. Briefly explain the salient features of the Wildlife (Protection) Act, 1972. [12 Marks]

Points to Remember: Key differences between National Parks and Wildlife Sanctuaries in terms of human activities allowed. Legal protection afforded by the Wildlife (Protection) Act, 1972. Examples of prominent National Parks and Wildlife Sanctuaries in India. Introduction: India boasts a rich biodiversity, necessitating robust conservation efforts. National Parks and Wildlife Sanctuaries are crucial components of … Read more

16. Define rainwater harvesting. Why rainwater needs to be harvested? Explain the basic components of rainwater harvesting system. List some traditional methods of rainwater harvesting. [12 Marks]

Points to Remember: Definition of rainwater harvesting. Reasons for rainwater harvesting. Components of a rainwater harvesting system. Traditional rainwater harvesting methods. Introduction: Rainwater harvesting (RWH) is the collection and storage of rainwater from rooftops, surfaces, or the ground for later use. It’s an age-old practice, crucial for water security, especially in regions with erratic rainfall … Read more

(b) What are the advantages of stall fed goat farming? [7+5=12 Marks]

Points to Remember: Increased productivity and efficiency. Improved animal health and hygiene. Better control over feed and nutrition. Enhanced marketing and profitability. Reduced environmental impact (potentially). Challenges and limitations of stall feeding. Introduction: Goat farming, a significant contributor to global livestock production, encompasses various rearing systems. Stall feeding, also known as intensive goat farming, involves … Read more

13. Write a note about Karnataka Agricultural Price Commission. [12 Marks]

Points to Remember: Formation and Mandate Composition and Functioning Price Determination Methodology Impact and Challenges Recommendations for Improvement Introduction: The Karnataka Agricultural Price Commission (KAPC) is a crucial institution responsible for recommending Minimum Support Prices (MSPs) for various agricultural commodities produced in Karnataka, India. Its role is vital in ensuring remunerative prices for farmers, promoting … Read more

14. On World Tuberculosis Day, 24th March 2016, Bedaquiline—new drug for Drug Resistant TB—was launched in India as part of the national programme. Discuss. [12 Marks]

Points to Remember: Bedaquiline’s introduction to India’s national TB program. Significance of World Tuberculosis Day. Drug-resistant TB (DR-TB) as a global health crisis. Challenges in accessing and utilizing Bedaquiline. Impact of Bedaquiline on TB control in India. Introduction: World Tuberculosis (TB) Day, observed annually on March 24th, highlights the global fight against this infectious disease. … Read more

error: Content is protected !!