tieght momi oni

Mitochondrion

Which organelle is known as the powerhouse of the cell?

Photosynthesis

Which process do plants use to convert sunlight into chemical energy?

Transport oxygen

What is the primary function of red blood cells?

Mitosis

Which type of cell division results in two identical daughter cells?

Chlorophyll

Which pigment is responsible for the green color in plants?

DNA

What is the genetic material in most organisms?

Circulatory

Which system in the human body is responsible for transporting nutrients and oxygen?

Liver

Which organ is primarily involved in detoxification in the human body?

Regulate passage of substances

What is the main function of the cell membrane?

Bacterium

Which of the following is a prokaryotic organism?

Meiosis

Which process results in genetic variation in sexual reproduction?

Protein synthesis

What is the role of ribosomes in the cell?

Insulin

Which hormone regulates blood sugar levels?

Cardiac

Which type of muscle is found in the heart?

H₂O

What is the chemical symbol for water?

Helium

Which element is known as the lightest noble gas?

6

What is the atomic number of carbon?

Covalent

Which type of bond involves the sharing of electrons?

7

What is the pH value of a neutral solution?

Nitrogen

Which gas is most abundant in Earth’s atmosphere?

NaCl

What is the chemical formula for table salt?

Rusting iron

Which of the following is a chemical change?

44 g/mol

What is the molar mass of carbon dioxide (CO₂)?

Neutralization

What type of reaction is represented by the combination of an acid and a base?

Law of Conservation of Mass

Which law states that mass is conserved in a chemical reaction?

Sodium

Which element is in group 1 of the periodic table?

Catalyst

What is the term for a substance that speeds up a chemical reaction without being consumed?

Methane

Which compound is classified as an organic compound?

Crust

Which layer of the Earth is the outermost layer?

Nitrogen

What is the most abundant gas in Earth’s atmosphere?

Tectonic plate movements

What is the primary cause of earthquakes?

Richter

What scale is used to measure the magnitude of earthquakes?

Igneous

Which type of rock is formed from cooled lava?

Erosion

Which process breaks down rocks into smaller particles?

Solar energy

What is the primary source of energy driving Earth’s climate system?

Global warming

Which phenomenon is characterized by a long-term increase in Earth’s average temperature?

Erosion

What term describes the movement of sediments by wind, water, or ice?

Pacific

Which ocean is the largest by area?

Magma

What is the term for molten rock beneath the Earth’s surface?

Cementation

Which process contributes to the formation of sedimentary rock?

Gravitational pull of the Moon

What is the primary cause of tides on Earth?

Solar power

Which of the following is a renewable energy source?

Joule

What is the SI unit of energy?

Law of Conservation of Energy

Which law states that energy cannot be created or destroyed?

Kinetic energy

What type of energy is possessed by a moving object?

Watt

What is the SI unit of power?

Refraction

Which phenomenon is responsible for the bending of light as it passes through different media?

Voltage, current, resistance

What does Ohm’s Law relate?

9.8 m/s²

What is the acceleration due to gravity on Earth?

Temperature

Which of the following is an example of a scalar quantity?

Mass × velocity

What is the momentum of an object defined as?

Ammeter

Which device is used to measure electric current?

Reflection

What is the phenomenon of an object bouncing back after hitting a surface called?

A force that opposes motion

Which of the following best describes friction?

Force applied over a distance

What does the term ‘work’ mean in physics?

Change in frequency due to relative motion

Which phenomenon is described by the Doppler effect?

Main sequence

What type of star is the Sun?

Mars

Which planet is known as the “Red Planet”?

Hydrogen

What is the most abundant element in the universe?

Saturn

Which of the following planets has the most moons?

Gravitational force

What is the force that keeps the planets in orbit around the Sun?

Triangular

Which of the following is not a type of galaxy?

Jupiter

Which planet has the shortest day in the solar system?

Titan

What is the name of the largest moon of Saturn?

A region in space with a very high density and mass

What is a black hole?

Protostar formation

Which event marks the beginning of a star’s life cycle?

The tilt of the Earth’s axis

What is the primary reason for the seasons on Earth?

Jupiter

Which of the following is the largest planet in our solar system?

Sputnik 1

What is the name of the first artificial satellite sent into space?