Minerals and Energy Resources

15 solved questions from Class 10 Geography, each with the full working. Tap any question to see the step-by-step solution.

• 1 Which mining method is most suitable for extracting iron ore that occurs in a deep underground deposit? medium MCQ 2 marks Underground mining techniques
• 2 Which of the following minerals is classified as a metallic mineral? easy MCQ 1 mark Classification of metallic minerals
• 3 Write a short note (about 80 words) describing the difference between renewable and non‑renewable energy resources. Give two examples of each. medium 3 marks Renewable vs non‑renewable energy
• 4 A coal seam is 2.5 m thick, extends 1 km in length and 100 m in width. Assuming the seam has uniform thickness, calculate the approximate volume of coal in cubic metres. easy 2 marks Volume calculation of mineral reserve
• 5 Discuss the major environmental impacts of coal mining in India and suggest two appropriate mitigation measures. hard 5 marks Environmental impacts of coal mining
• 6 Which of the following is a non‑metallic mineral used primarily in construction? easy MCQ 1 mark Classification of non‑metallic minerals
• 7 A river has a flow rate of 250 m^3 /s, a usable head of 30 m and the overall efficiency of the hydro‑electric plant is 85%. Using ρ = 1000 kg /m^3 and g = 9.81 m /s^2, calculate the electrical power output in megawatts (MW). medium 3 marks Calculation of hydro‑electric power using flow, head and efficiency
• 8 A copper ore body is located at a depth of 800 m and occurs as a vein with a steep dip. Which mining method is most appropriate for extracting this ore? hard MCQ 2 marks Selection of underground mining method for steep veins
• 9 Write a short note (about 80 words) on the advantages of solar energy over fossil fuels. Give two advantages. easy 2 marks Advantages of renewable energy (solar) over fossil fuels
• 10 What is the primary topic or theoretical principle explored in 'Minerals and Energy Resources' (Class 10 GEOGRAPHY)? medium MCQ Chapter Core Principle
• 11 Which key mechanism or analytical rule is highlighted in 'Minerals and Energy Resources'? medium MCQ Key Analytical Mechanism
• 12 Which of the following is a renewable energy resource? easy MCQ 1 mark Renewable vs non‑renewable resources
• 13 A copper ore body contains 8% copper by weight. If 2 tonnes of ore are processed, how many kilograms of pure copper can be obtained? easy 2 marks Metallic mineral extraction yield
• 14 A hydroelectric plant has a water flow rate of 300,m^3!!,/s, a usable head of 150,m and overall efficiency of 88%. Using ρ = 1000,kg!!,/m^3 and g = 9.81,m!!,/s^2, calculate the electrical power output in megawatts (MW). medium 4 marks Hydroelectric power calculation
• 15 A wind turbine has a rotor diameter of 70,m, wind speed of 10,m/s, power coefficient 0.45 and air density 1.225,kg/m^3. Calculate the mechanical power intercepted by the rotor in MW. hard 5 marks Wind energy power calculation