Which of the following is the smallest unit of matter?
a) Atom
b) Molecule
c) Cell
d) Element
Answer: a) Atom
What is the process by which plants convert sunlight into chemical energy?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Digestion
Answer: a) Photosynthesis
What is the basic unit of life?
a) Atom
b) Molecule
c) Cell
d) Organism
Answer: c) Cell
What is the study of the Earth’s physical structure, history, and processes?
a) Biology
b) Geology
c) Astronomy
d) Physics
Answer: b) Geology
What is the force that attracts objects towards the center of the Earth?
a) Gravity
b) Friction
c) Magnetism
d) Inertia
Answer: a) Gravity
Which of the following is responsible for the transmission of genetic information?
a) DNA
b) RNA
c) Protein
d) Carbohydrate
Answer: a) DNA
What is the process by which an organism produces offspring similar to itself?
a) Reproduction
b) Growth
c) Metabolism
d) Respiration
Answer: a) Reproduction
What is the study of the interactions between living organisms and their environment?
a) Ecology
b) Genetics
c) Microbiology
d) Physiology
Answer: a) Ecology
Which of the following is a primary color of light?
a) Red
b) Green
c) Blue
d) Yellow
Answer: c) Blue
What is the SI unit of measurement for temperature?
a) Kelvin
b) Celsius
c) Fahrenheit
d) Joule
Answer: a) Kelvin
What is the process by which a liquid changes into a gas at a temperature below its boiling point?
a) Evaporation
b) Condensation
c) Sublimation
d) Vaporization
Answer: a) Evaporation
What is the study of the structure and function of the human body?
a) Biology
b) Anatomy
c) Physiology
d) Medicine
Answer: c) Physiology
Which of the following is responsible for carrying oxygen in the blood?
a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
Answer: a) Red blood cells
What is the process by which a solid changes directly into a gas without passing through the liquid state?
a) Evaporation
b) Condensation
c) Sublimation
d) Vaporization
Answer: c) Sublimation
What is the study of the Earth’s atmosphere, weather, and climate?
a) Geology
b) Meteorology
c) Oceanography
d) Astronomy
Answer: b) Meteorology
What is the basic unit of heredity?
a) Gene
b) Chromosome
c) Nucleus
d) Cell
Answer: a) Gene
What is the process by which a solid changes into a liquid when heated?
a) Evaporation
b) Melting
c) Condensation
d) Freezing
Answer: b) Melting
Which of the following is a renewable source of energy?
a) Coal
b) Natural gas
c) Solar power
d) Nuclear power
Answer: c) Solar power
What is the SI unit of measurement for electric current?
a) Volt
b) Ampere
c) Ohm
d) Watt
Answer: b) Ampere
What is the study of the behavior and properties of matter and energy?
a) Biology
b) Chemistry
c) Physics
d) Geology
Answer: c) Physics
What is the process by which plants release water vapor into the atmosphere?
a) Evaporation
b) Transpiration
c) Respiration
d) Condensation
Answer: b) Transpiration
Which of the following is a primary color of pigment?
a) Red
b) Green
c) Blue
d) Yellow
Answer: b) Green
What is the unit of electrical power?
a) Ampere
b) Volt
c) Watt
d) Ohm
Answer: c) Watt
What is the process by which a gas changes into a liquid?
a) Evaporation
b) Condensation
c) Sublimation
d) Vaporization
Answer: b) Condensation
What is the branch of science that deals with the study of matter and its properties?
a) Biology
b) Chemistry
c) Physics
d) Geology
Answer: b) Chemistry
Which of the following is a greenhouse gas?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
Answer: c) Carbon dioxide
What is the process by which an organism breaks down food to release energy?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Digestion
Answer: b) Respiration
What is the force that opposes motion between surfaces in contact?
a) Gravity
b) Friction
c) Magnetism
d) Inertia
Answer: b) Friction
What is the study of the stars, galaxies, and the universe as a whole?
a) Geology
b) Astronomy
c) Biology
d) Physics
Answer: b) Astronomy
Which of the following is a natural satellite of the Earth?
a) Mars
b) Venus
c) Moon
d) Jupiter
Answer: c) Moon
What is the process by which a liquid changes into a solid?
a) Evaporation
b) Melting
c) Freezing
d) Vaporization
Answer: c) Freezing
Which of the following is a non-renewable source of energy?
a) Wind power
b) Solar power
c) Coal
d) Geothermal power
Answer: c) Coal
What is the study of the Earth’s oceans, including their composition, currents, and marine life?
a) Geology
b) Meteorology
c) Oceanography
d) Astronomy
Answer: c) Oceanography
Which of the following is responsible for carrying out chemical reactions in the body?
a) Enzymes
b) Hormones
c) Antibodies
d) Antigens
Answer: a) Enzymes
What is the process by which a liquid changes into a gas at its boiling point?
a) Evaporation
b) Condensation
c) Sublimation
d) Vaporization
Answer: d) Vaporization
What is the study of the Earth’s physical features, such as mountains, rivers, and valleys?
a) Geology
b) Meteorology
c) Biology
d) Astronomy
Answer: a) Geology
Which of the following is responsible for carrying oxygenated blood from the lungs to the rest of the body?
a) Arteries
b) Veins
c) Capillaries
d) Lymph vessels
Answer: a) Arteries
What is the process by which a gas changes directly into a solid without passing through the liquid state?
a) Evaporation
b) Melting
c) Sublimation
d) Vaporization
Answer: c) Sublimation
Which of the following is the universal solvent?
a) Water
b) Alcohol
c) Oil
d) Acetone
Answer: a) Water
What is the branch of science that deals with the study of living organisms?
a) Biology
b) Chemistry
c) Physics
d) Geology
Answer: a) Biology
Which of the following is responsible for carrying deoxygenated blood from the body back to the heart?
a) Arteries
b) Veins
c) Capillaries
d) Lymph vessels
Answer: b) Veins
What is the process by which a gas changes into a liquid?
a) Evaporation
b) Condensation
c) Sublimation
d) Vaporization
Answer: b) Condensation
Which of the following is a form of potential energy associated with the motion of an object?
a) Kinetic energy
b) Chemical energy
c) Thermal energy
d) Gravitational energy
Answer: a) Kinetic energy
What is the study of the Earth’s atmosphere and its processes?
a) Geology
b) Meteorology
c) Biology
d) Physics
Answer: b) Meteorology
Which of the following is responsible for carrying nutrients and waste materials throughout the body?
a) Arteries
b) Veins
c) Capillaries
d) Lymph vessels
Answer: c) Capillaries
What is the SI unit of measurement for force?
a) Newton
b) Joule
c) Watt
d) Ampere
Answer: a) Newton
What is the process by which a solid changes into a gas without passing through the liquid state?
a) Evaporation
b) Condensation
c) Sublimation
d) Vaporization
Answer: c) Sublimation
Which of the following is a form of energy that is associated with the motion of atoms and molecules?
a) Kinetic energy
b) Chemical energy
c) Thermal energy
d) Gravitational energy
Answer: c) Thermal energy
What is the study of the Earth’s physical and cultural features, including its history and development?
a) Geology
b) Anthropology
c) Sociology
d) Geography
Answer: d) Geography
Which of the following is responsible for carrying electrical signals throughout the body?
a) Arteries
b) Veins
c) Nerves
d) Lymph vessels
Answer: c) Nerves
What is the process by which a liquid changes into a gas throughout its entire volume?
a) Evaporation
b) Condensation
c) Sublimation
d) Vaporization
Answer: a) Evaporation
Which of the following is a renewable source of energy derived from organic matter?
a) Coal
b) Natural gas
c) Solar power
d) Biomass
Answer: d) Biomass
What is the SI unit of measurement for distance?
a) Meter
b) Kilogram
c) Second
d) Newton
Answer: a) Meter
What is the process by which plants and animals exchange gases with their environment?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Digestion
Answer: b) Respiration
Which of the following is responsible for carrying genetic information in cells?
a) DNA
b) RNA
c) Protein
d) Carbohydrate
Answer: a) DNA
What is the study of the Earth’s physical structure, history, and processes?
a) Biology
b) Geology
c) Astronomy
d) Physics
Answer: b) Geology
Which of the following is a fundamental particle of an atom with a positive charge?
a) Proton
b) Neutron
c) Electron
d) Nucleus
Answer: a) Proton
What is the process by which an organism produces offspring similar to itself?
a) Reproduction
b) Growth
c) Metabolism
d) Respiration
Answer: a) Reproduction
What is the study of the interactions between living organisms and their environment?
a) Ecology
b) Genetics
c) Microbiology
d) Physiology
Answer: a) Ecology
Which of the following is responsible for the transmission of genetic information?
a) DNA
b) RNA
c) Protein
d) Carbohydrate
Answer: a) DNA
What is the process by which an organism breaks down food to release energy?
a) Photosynthesis
b) Respiration
c) Fermentation
d) Digestion
Answer: b) Respiration
Which of the following is responsible for carrying oxygen in the blood?
a) Red blood cells
b) White blood cells
c) Platelets
d) Plasma
Answer: a) Red blood cells
What is the process by which a gas changes into a liquid?
a) Evaporation
b) Condensation
c) Sublimation
d) Vaporization
Answer: b) Condensation
What is the study of the behavior and properties of matter and energy?
a) Biology
b) Chemistry
c) Physics
d) Geology
Answer: c) Physics
Which of the following is a greenhouse gas?
a) Oxygen
b) Nitrogen
c) Carbon dioxide
d) Hydrogen
Answer: c) Carbon dioxide
What is the process by which a solid changes into a liquid when heated?
a) Evaporation
b) Melting
c) Condensation
d) Freezing
Answer: b) Melting
What is the study of the stars, galaxies, and the universe as a whole?
a) Geology
b) Astronomy
c) Biology
d) Physics
Answer: b) Astronomy
Which of the following is responsible for carrying deoxygenated blood from the body back to the heart?
a) Arteries
b) Veins
c) Capillaries
d) Lymph vessels
Answer: b) Veins
What is the process by which a liquid changes into a solid?
a) Evaporation
b) Melting
c) Freezing
d) Vaporization
Answer: c) Freezing
Which of the following is a non-renewable source of energy?
a) Wind power
b) Solar power
c) Coal
d) Geothermal power
Answer: c) Coal
What is the study of the Earth’s oceans, including their composition, currents, and marine life?
a) Geology
b) Meteorology
c) Oceanography
d) Astronomy
Answer: c) Oceanography
Which of the following is responsible for carrying nutrients and waste materials throughout the body?
a) Arteries
b) Veins
c) Capillaries
d) Lymph vessels
Answer: c) Capillaries
What is the process by which a solid changes into a gas?
a) Evaporation
b) Condensation
c) Sublimation
d) Vaporization
Answer: c) Sublimation
Which of the following is the universal solvent?
a) Water
b) Alcohol
c) Oil
d) Acetone
Answer: a) Water
What is the branch of science that deals with the study of living organisms?
a) Biology
b) Chemistry
c) Physics
d) Geology
Answer: a) Biology
Which of the following is responsible for carrying oxygenated blood from the lungs to the rest of the body?
a) Arteries
b) Veins
c) Capillaries
d) Lymph vessels
Answer: a) Arteries
What is the process by which a gas changes into a liquid?
a) Evaporation
b) Condensation
c) Sublimation
d) Vaporization
Answer: b) Condensation
Which of the following is a form of potential energy associated with the position or height of an object?
a) Kinetic energy
b) Chemical energy
c) Gravitational energy
d) Thermal energy
Answer: c) Gravitational energy
What is the study of the Earth’s physical and cultural features, including its history and development?
a) Geology
b) Anthropology
c) Sociology
d) Geography
Answer: d) Geography
Which of the following is responsible for carrying electrical signals throughout the body?
a) Arteries
b) Veins
c) Nerves
d) Lymph vessels
Answer: c) Nerves
