Everyday Science MCQs
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Communication Systems and Networks MCQs with Answers
Which of the following is not a primary function of a communication system? a) Transmission b) Reception c) Processing d)…
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Plate Tectonics and Earthquakes MCQs with Answers
What is the theory that explains the movement of Earth’s lithospheric plates? a) Seafloor spreading b) Continental drift c) Plate…
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Plant Biology and Botany MCQs with Answers
Plant Biology and Botany MCQs are very important test and often asked by various testing services and competitive exams around the…
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Climate Change and Global Warming MCQs with Answers
What is the primary greenhouse gas responsible for global warming? a) Carbon dioxide (CO2) b) Methane (CH4) c) Nitrous oxide…
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Simple Machines and their Uses MCQs with Answers
Which simple machine is used to lift heavy objects? a) Lever b) Pulley c) Inclined plane d) Wheel and axle…
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Volcanoes and Geothermal Activity MCQs with Answers
What is a volcano? a) A large body of water b) A landform created by erosion c) A vent in…
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Weather Patterns and Forecasting MCQs with Answers
Weather Patterns and Forecasting MCQs are very important test and often asked by various testing services and competitive exams around the…
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Stars, Galaxies, and the Universe MCQs with Answers
A group of stars that form a recognizable pattern in the sky is called a: a) Galaxy b) Constellation c)…
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Scientific Communication and Publication MCQs with Answers
what is the primary purpose of scientific communication? a) To share research findings with the general public b) To present…
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Microorganisms and Diseases MCQs with Answers
Which of the following is a microscopic organism that can cause diseases? a) Fungi b) Protozoa c) Bacteria d) All…
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Heat Transfer and Insulation MCQs with Answers
Which method of heat transfer occurs through direct contact between objects? a) Conduction b) Convection c) Radiation d) Reflection Answer:…
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Internet and Information Technology MCQs with Answers
The Internet is a global system of interconnected: a) Computers b) Servers c) Routers d) All of the above Answer:…
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Scientific Discoveries and Breakthroughs MCQs with Answers
Which scientific discovery revolutionized our understanding of gravity and planetary motion? a) Theory of Relativity b) Higgs Boson c) Theory…
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Light and Optics in Everyday Life MCQs with Answers
Light is a form of: a) Mechanical energy b) Electrical energy c) Radiant energy d) Thermal energy Answer: c) Radiant…
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Food Safety and Handling MCQs with Answers
Which temperature range is considered the “danger zone” for foodborne bacteria growth? a) 0°C to 4°C b) 4°C to 10°C…
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Air and Atmosphere MCQs with Answers
What is the primary gas that makes up Earth’s atmosphere? a) Nitrogen b) Oxygen c) Carbon dioxide d) Argon Answer:…
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Heat and Thermodynamics MCQs with Answers
The transfer of heat through direct contact between particles of matter is called: a) Conduction b) Convection c) Radiation d)…
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Skeletal System and Bones MCQs with Answers
Which of the following is the hardest substance in the human body? a) Enamel b) Dentin c) Bone d) Cartilage…
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Everyday Science MCQs with Answers
Scientific Methodology Units of Measurement Scientific Instruments and Apparatus Scientific Discoveries and Inventions Physical Phenomena Science in Agriculture and Food…
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Physical Phenomena MCQs with Answers
The bending of light as it passes from one medium to another is called __________. a) Reflection b) Refraction c)…
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Motion and Forces in Daily Life MCQs with Answers
Which force keeps objects on a table from falling? a) Gravitational force b) Frictional force c) Magnetic force d) Electric…
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Earth’s Structure and Composition MCQs with Answers
Which layer of the Earth is composed mostly of solid iron and nickel? a) Crust b) Mantle c) Outer core…
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Ecology and Ecosystems MCQs with Answers
What is the study of the interactions between organisms and their environment called? a) Ecology b) Genetics c) Evolution d)…
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Scientific Notation and Significant Figures MCQs with Answers
What is 2.5 x 10^4 in standard notation? a) 250 b) 2500 c) 25,000 d) 250,000 Answer: c) 25,000 Which…
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Atomic Structure and Nuclear Physics MCQs with Answers
Which subatomic particle carries a positive charge? a) Electron b) Neutron c) Proton d) Photon Answer: c) Proton What is…
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Scientific Discoveries and Inventions MCQs with Answers
Who is credited with the discovery of penicillin? a) Alexander Fleming b) Louis Pasteur c) Marie Curie d) Albert Einstein…
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Laws of Motion MCQs with Answers
According to Newton’s first law of motion, an object will remain at rest or in uniform motion in a straight…
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Scientific Careers and Disciplines MCQs with Answers
Which scientific discipline studies the composition, structure, properties, and changes of matter? a) Biology b) Chemistry c) Physics d) Geology…
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Microorganisms and their Roles MCQs with Answers
Which of the following microorganisms is responsible for causing malaria? a) Bacteria b) Virus c) Protozoa d) Fungi Answer: c)…
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Acids, Bases, and pH MCQs with Answers
An acid is a substance that: a) Accepts protons b) Donates protons c) Accepts electrons d) Donates electrons Answer: b)…
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