science test class 10

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

What is gravitational lensing?

Which element is a noble gas?

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

What is free fall?

How does gravitational force vary with distance?

How does gravity affect time?

What are the elements in Group 17 called?

State the Modern Periodic Law.

Define ionization energy.

Which gas is a major component of biogas?

What is the basic unit of heredity?

Which organelle is called the powerhouse of the cell?

What is the SI unit of power?

What is the law of reflection of light?

Which organelle is responsible for photosynthesis?

What is the role of chlorophyll in photosynthesis?

Which vitamin is also known as ascorbic acid?

What is the main ore of aluminium?

Which part of the brain controls balance and coordination?

Which organ in the human body stores bile?

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

What is the common name of calcium carbonate?

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

What is the cause of dispersion of light?

What is the process of converting liquid into gas at any temperature called?

What is the formula of rust?

What is the formula of baking soda?

What is the full form of DNA?

What is the formula for calculating speed?

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

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

What is the approximate percentage of nitrogen in Earth's atmosphere?

What is the phenomenon responsible for the blue color of the sky?

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

What is the chemical formula of ethanol?

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

What is the name of the instrument used to measure temperature?

What is the process of converting liquid into vapor?

What is the term for the transfer of heat through direct contact?

Which component of blood helps in clotting?

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

Which planet is known as the Red Planet?

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

What is the chemical formula of methane?

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

What is the primary source of energy on Earth?

Which organ of the human body produces bile?

Which process is used for the purification of seawater?

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

What is the term for the process of heat transfer in fluids due to density differences?

What is the effect of acid rain on marble structures?

What is the SI unit of work?

What is the chemical symbol for gold?

Which gas is evolved when zinc reacts with hydrochloric acid?

What is the process of removing soluble impurities from water?

What is the device used to measure atmospheric humidity?

What is the process of separating grains from chaff?

Which blood group is known as the universal donor?

What is the mode of nutrition in fungi?

What is the term for the change of state directly from solid to gas?

What is the formula of acetic acid?

Which gas is responsible for the greenhouse effect?

What is the chemical formula of baking soda?

What is the phenomenon where light bends as it passes through different mediums?

What is the process by which plants lose water in the form of vapor?

What is the natural satellite of Earth?

Which part of the plant is responsible for photosynthesis?

What is the pH value of a basic solution?

Which part of the eye controls the amount of light entering it?

What is the main function of white blood cells?

Which type of energy transformation occurs in a hydroelectric power plant?

What is the valency of nitrogen in NH₃?

Which organ filters and removes waste from the blood in humans?

What is the functional unit of the kidney?

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

Which vitamin is essential for healthy eyes?

Which property of metals allows them to be drawn into wires?

What is the primary function of the stomata in plants?

What is the main cause of acid rain?