science test class 10

How does the value of 'g' change with depth?

Which element has the highest atomic mass in the periodic table?

What is the trend of reactivity in alkali metals down the group?

What is the force that acts towards the center of a circular path?

In the reaction 2H₂ + O₂ → 2H₂O, what is the ratio of hydrogen to water by volume?

What is artificial satellite?

Who formulated the Law of Universal Gravitation?

What is a redox reaction?

How does gravitational force vary with distance?

What is a black hole?

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

What is the term for the device used to convert mechanical energy into electrical energy?

What is the outermost layer of the Earth called?

What is the term for the property of liquids to rise in a narrow tube?

What is the SI unit of electric current?

What is the term for the resistance of a liquid to flow?

What is the chemical formula of quicklime?

What is the SI unit of energy?

What is the main element present in diamonds?

What is the law of reflection of light?

What is the process of removing waste products from the body called?

What is the process of breaking down glucose to release energy called?

Which part of the human body contains the smallest bones?

What is the atomic number of oxygen?

What is the term for the splitting of a nucleus into two smaller nuclei, releasing energy?

What is the mode of reproduction in amoeba?

What is the chemical formula of ethanol?

Which gas is evolved when calcium carbonate reacts with dilute hydrochloric acid?

What is the effect of acid rain on marble structures?

What is the process by which plants lose water vapor through stomata?

What is the name of the device used to measure electric potential difference?

What is the role of chlorophyll in photosynthesis?

What is the chemical formula of quicklime?

What is the term for the movement of particles from high concentration to low concentration?

What is the term for substances that increase the rate of chemical reactions?

What is the main component of a cell wall in plants?

What is the main source of energy for the water cycle?

Which part of the human brain is responsible for thinking and decision-making?

What is the SI unit of power?

What is the name of the process by which plants release oxygen?

What is the chemical symbol for gold?

What is the cause of dispersion of light?

What is the term for the minimum amount of energy required to start a chemical reaction?

What is the main cause of acid rain?

What is the term for the resistance of a fluid to flow?

What is the term for the splitting of light into its constituent colors?

Which blood group is known as the universal donor?

Which organ in the human body is responsible for pumping blood?

What is the unit of resistance?

What is the speed of light in a vacuum?

What is the process of depositing a layer of metal on another material using electricity?

Which organelle is known as the powerhouse of the cell?

Which planet is known as the "Red Planet"?

What is the process of separating grains from chaff?

What is the formula of acetic acid?

Which organ produces bile in the human body?

What is the SI unit of work?

What is the pH value of acidic solutions?

What is the term for the smallest particle of an element?

What is the term for organisms that can prepare their own food?

Which part of the brain controls balance and coordination?

What is the type of reproduction in which only one parent is involved?

What is the process by which plants convert sunlight into food?

Which acid is present in lemon?

Which metal is most reactive according to the reactivity series?

What is the function of xylem in plants?

What is the name of the smallest unit of life?

Which gas is responsible for the greenhouse effect?

What is the common name of calcium carbonate?

What is the formula of rust?

What is the function of the pancreas in the human body?

Which planet is known as the Red Planet?

Which element is used in making thermometers?

What is the term for the energy possessed by a body due to its motion?

What is the natural satellite of Earth?

What is the formula of common salt?

What is the main function of white blood cells?

What is the process of removing soluble impurities from water?

Which disease is caused by the deficiency of iodine?

What is the main function of hemoglobin in the blood?