Q. A naturally occurring substance that has a definite chemical composition is called:
A). Rock
B). Mineral
C). Ore
D). Metal
Answer: B). Mineral
Explanation: A mineral is a naturally occurring substance with a definite chemical composition and physical properties.
Q. Consider the following statements about metallic minerals:
1. Metallic minerals generally contain metal in raw form.
2. Metallic minerals are good conductors of heat and electricity.
3. Metallic minerals are always found in sedimentary rocks only.
Which of the statements given above is/are correct?
A). 1 and 2 only
B). 2 and 3 only
C). 1 only
D). 1, 2 and 3
Answer: A). 1 and 2 only
Q. Match the following minerals with their correct category:
1. Ferrous
2. Non- ferrous
A). Gold, silver, copper, lead
B). Iron ore, bauxite, manganese
Options:
A). 1-A, 2-B
B). 1-B, 2-A
Options:
Answer: B). 1-B, 2-A
Q. Which one of the following is a non-metallic mineral?
A). Mica
B). Limestone
C). Gypsum
D). All of the above
Answer: D). All of the above
Explanation: The mineral fuel like coal and petroleum are also non-metallic minerals.
Q. Match the following types of mining with their correct descriptions:
1. Open-cast mining
2. Shaft mining
3. Drilling
4. Quarrying
A). Deep bores are made to extract petroleum and natural gas
B). Minerals are extracted by digging deep wells or tunnels underground
C). Minerals lying near the surface are extracted by removing the surface layer
D). Minerals that lie near the surface are dug out
Options:
A). 1–C, 2–B, 3–A, 4–D
B). 1–B, 2–C, 3–D, 4–A
C). 1–A, 2–D, 3–C, 4–B
D). 1–D, 2–A, 3–B, 4–C
Answer: A). 1–C, 2–B, 3–A, 4–D
Q. Which one of the following countries has no known significant mineral deposits?
A). India
B). Saudi Arabia
C). Switzerland
D). Brazil
Answer: C). Switzerland
Q. Bauxite is an important ore used for the extraction of which metal?
A). Copper
B). Aluminium
C). Iron
D). Zinc
Answer: B). Aluminium
Q. Why is the conservation of minerals important?
A). Because minerals are unlimited in nature
B). Because minerals take thousands of years to form and are non-renewable
C). Because minerals can be easily replaced once exhausted
D). Because minerals are found only in oceans
Answer: B). Because minerals take millions of years to form and are non-renewable
Q. Conventional sources of energy are those which:
A). Are renewable and can be reused
B). Have been in use for a long time
C). Are available in unlimited quantity
D). Are pollution-free
Answer: B). Have been in use for a long time
Explanation: Conventional sources are traditional energy sources used for centuries, such as Firewood, coal and petroleum.
Q. Conventional sources of energy are those which:
A). Are renewable and can be reused
B). Have been in use for a long time
C). Are available in unlimited quantity
D). Are pollution-free
Answer: B). Have been in use for a long time
Explanation: Conventional sources are traditional energy sources used for centuries, such as coal and petroleum.
Q. Which fossil fuel is commonly referred to as “buried sunshine”?
A). Petroleum
B). Natural Gas
C). Coal
D). Uranium
Answer: C). Coal
Explanation: The coal producing area of India are Raniganj, Jharia, Dhanbad and Bokaro.
Q. Which fossil fuel is commonly called “Black Gold”?
A). Coal
B). Petroleum
C). Natural Gas
D). Uranium
Answer: B). Petroleum
Explanation: The word petroleum is derived from Latin words -Petra meaning rock, oelum meaning oil.
Q. Which of the following is a major producer of petroleum in India?
A). Digboi in Assam
B). Bombay High in Mumbai
C). Deltas of Krishna and Godavari rivers
D). All of the above
Answer: D). All of the above
Q. Natural gas is commonly found along with:
A). Coal only
B). Petroleum
C). Iron ore
D). Bauxite
Answer: B). Petroleum
Explanation: In India Jaisalmer, Krishna Godavari delta, Tripura and some area off shore in Mumbai have natural gas resources.
Q. The main components of a hydroelectric power plant are:
A). Solar panels and batteries
B). Dam, reservoir, turbines, and generators
C). Coal furnace and chimney
D). Windmill and gearbox
Answer: B). Dam, reservoir, turbines, and generators
Explanation: Water stored in a dam flows through turbines, which drive generators to produce electricity.
Q. Non-conventional energy sources are preferred because:
A). They are unlimited and renewable
B). They cause air pollution
C). They require fossil fuels
D). They are expensive and polluting
Answer: A). They are unlimited and renewable
Explanation: Non-conventional sources like solar, wind, and hydro are renewable and eco-friendly.
Q. Which of the following is NOT a non-conventional energy source?
A). Wind
B). Solar
C). Coal
D). Biogas
Answer: C). Coal
Explanation: Coal is a conventional, non-renewable fossil fuel, unlike wind, solar, and biogas.
Q. Which non-conventional energy source is suitable for desert areas?
A). Wind energy
B). Geothermal energy
C). Solar energy
D). Tidal energy
Answer: C). Solar energy
Explanation: Deserts receive abundant sunlight, making solar energy the most suitable renewable source
Q. Wind energy is converted into electricity using:
A). Water turbines
B). Wind turbines
C). Solar panels
D). Diesel engines
Answer: B). Wind turbines
Explanation: Wind turbines capture kinetic energy of wind and convert it into electrical energy.
Q. Which fuel is commonly used in nuclear power plants?
A). Coal
B). Uranium
C). Petroleum
D). Natural gas
Answer: B). Uranium
Explanation: Uranium (Jharkhand, Rajasthan) and Thorium (Monozite sands Kerala) are the most commonly used nuclear fuel in power plants
Q. Geothermal energy is obtained from:
A). Underground heat of the Earth
B). Flowing water
C). Wind
D). Sunlight
Answer: A). Underground heat of the Earth
Explanation: Geothermal energy is derived from heat stored inside the Earth.
Q. Tidal energy is generated using:
A). Flow of rivers
B). Tides and sea waves
C). Sunlight
D). Fossil fuels
Answer: B). Tides and sea waves
Explanation: Tidal energy harnesses the kinetic and potential energy of tides to generate electricity.
Q. Biogas is produced from:
A). Fossil fuels
B). Organic waste like cow dung and plant material
C). Wind turbines
D). Solar panels
Answer: B). Organic waste like cow dung and plant material
Explanation: Biogas is a renewable energy source obtained from decomposition of organic matter
Q. Match the following nuclear power plants with their locations:
1. Kalpakkam
2. Tarapur
3. Rana Pratap Sagar
4. Narora
5. Kaiga
A). Maharashtra
B). Karnataka
C). Tamil Nadu
D). Rajasthan
E). Uttar Pradesh
Options:
A). 1–D, 2–A, 3–C, 4–B, 5–E
B). 1–A, 2–C, 3–B, 4–D, 5–E
C). 1–C, 2–B, 3–D, 4–E, 5–A
D). 1–C, 2–A, 3–D, 4–E, 5–B
Answer: D). 1–C, 2–A, 3–D, 4–E, 5–B
Q. Match the following geothermal energy sites with their locations:
1. Manikaran A). Himachal Pradesh
2. Puga Valley B). Ladakh
Options:
A). 1–B, 2–A
B). 1–A, 2–B
Answer: A). 1–A, 2–B
Q. Which was the first country to develop tidal energy?
A). India
B). France
C). USA
D). Japan
Answer: B). France
Q. Which was the first country to generate hydroelectricity?
A). USA
B). Canada
C). Norway
D). India
Answer: C). Norway