Which of these is a ferrous mineral?
Mineral and Power Resources quiz
Mica is a:
Aluminium is obtained from:
The oldest oil field of India is at:
Which of these is a non-conventional source of energy?
Tarapur in Maharashtra is known for its:
Energy obtained from the heat inside the Earth is called:
Minerals found near the surface are taken out by:
Jharia and Raniganj are important for:
Biogas is produced from:
Name two minerals found in igneous and metamorphic rocks and two found in sedimentary rocks. (2 marks)
What is quarrying? (2 marks)
Name two states of India rich in iron ore. (2 marks)
Name two uses of limestone and two of mica. (2 marks)
What is hydel power? Name one multipurpose project of India. (2 marks)
Why are fossil fuels called non-renewable? (2 marks)
Name two areas of India where natural gas is found. (2 marks)
Name two states with large wind farms in India. (2 marks)
What is tidal energy? Name one suitable site in India. (2 marks)
Give two advantages of biogas for villages. (2 marks)
A household uses 4 tube lights of 40 W each for 6 hours a day. Find the energy used in a 30-day month in kWh (units). If they switch to LED lights of 20 W, how many units are saved? (3 marks)
The proved coal reserves of a country are 300 billion tonnes and it uses 1 billion tonnes a year. How many years will the reserves last? If use increases to 1.5 billion tonnes a year, how long will they last? (3 marks)
Suppose India's installed electricity capacity is roughly made up of: thermal 240 GW, renewable (solar, wind and others) 200 GW, hydel 50 GW and nuclear 10 GW. Find the total and the percentage share of each. (3 marks)
A biogas plant produces 2 cubic m of gas a day from cattle dung. If a family needs 1.5 cubic m a day for cooking, how much is left over in a month of 30 days? (3 marks)
A wind farm has 50 turbines, each of 2 MW capacity. If on average the turbines work at 30% of their capacity, find the average power produced by the farm. (3 marks)
Read the passage and answer the questions. In the Chhota Nagpur plateau, large mines produce coal, iron ore and mica. Open pits have left large areas of land bare, and dust from the mines pollutes the air of nearby villages. (i) Why is the Chhota Nagpur plateau called the storehouse of minerals? (ii) Name the type of mining that leaves open pits. (iii) Suggest two ways to reduce environmental damage from mining. (5 marks)
Read the passage and answer the questions. A village in Gujarat has many households with solar panels on their roofs. They sell extra electricity to the grid and earn money. (i) Why is solar energy suitable for India? (ii) Give two advantages of rooftop solar panels. (iii) Name one limitation of solar energy. (5 marks)
Read the passage and answer the questions. Off the coast of Mumbai, oil and natural gas are taken out by drilling deep holes from platforms in the sea. The oil is sent to refineries by pipelines. (i) Name this oil field. (ii) Why is drilling needed here? (iii) Name two products obtained from petroleum. (5 marks)
Read the passage and answer the questions. A nuclear power plant uses uranium as fuel. It produces a large amount of electricity from a small amount of fuel, but its waste remains dangerous for thousands of years. (i) Name two minerals used as nuclear fuel. (ii) Give one advantage of nuclear power. (iii) Why is disposal of nuclear waste a problem? (5 marks)
Read the passage and answer the questions. In a village, cattle dung and kitchen waste are fed into a pit. The gas produced is used for cooking, and the leftover slurry is used as manure. (i) What is this plant called? (ii) Give two benefits of using this gas instead of firewood. (iii) Why is the leftover slurry useful? (5 marks)
Draw a chart classifying minerals into metallic and non-metallic, with sub-groups and examples. Explain the methods used to extract minerals. (6 marks)
On an outline map of India, mark two places each for coal, petroleum and nuclear power. Explain the importance of any two power resources for India. (6 marks)
Draw a labelled diagram of a thermal power station or a hydel power station. Explain how electricity is produced. (6 marks)
Draw a flowchart comparing conventional and non-conventional sources of energy. Explain why non-conventional sources are important for the future. (6 marks)
Draw a poster with sketches showing ways to conserve energy at home, school and on the road. Explain at least six measures. (6 marks)
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