Indian National Science Olympiad (NSO)

Centrifugal force is not a fundamental force in physics. It is an inertial force that arises due to the rotation of a reference frame.

The chemical formula for water is H2O, which means that each molecule of water contains two hydrogen atoms and one oxygen atom.

Nucleic acids are not a part of the cell membrane. They are found in the nucleus of the cell and are responsible for storing and transmitting genetic information.

Jupiter is the largest planet in our solar system, with a mass that is more than twice the mass of all the other planets combined.

Subtraction is the mathematical operation that is the inverse of addition. When you add two numbers, you are combining them to get a total. When you subtract one number from another, you are taking away a part of the total to get the difference.

Hydrogen bonds are not a type of chemical bond. They are a type of intermolecular force that occurs between molecules that have a hydrogen atom bonded to a highly electronegative atom, such as oxygen or nitrogen.

Photosynthesis is the process by which plants convert sunlight into energy. This process takes place in the chloroplasts of plant cells, where chlorophyll molecules absorb sunlight and use it to convert carbon dioxide and water into glucose and oxygen.

Gamma rays are not a type of electromagnetic radiation. They are a type of ionizing radiation that is produced by the decay of atomic nuclei.

Division is the mathematical operation that is the inverse of multiplication. When you multiply two numbers, you are combining them to get a product. When you divide one number by another, you are finding out how many times the second number goes into the first number.

The liver is not a part of the human digestive system. It is a vital organ that performs a variety of functions, including filtering toxins from the blood, producing bile, and storing energy.

Logarithm is the mathematical operation that is the inverse of exponentiation. When you exponentiate a number, you are raising it to a power. When you take the logarithm of a number, you are finding out what power you need to raise the base number to in order to get the given number.

Combustion reactions are not a type of chemical reaction. They are a type of exothermic reaction in which a substance reacts with oxygen to produce heat and light.

Squaring is the mathematical operation that is the inverse of taking the square root. When you take the square root of a number, you are finding out what number you need to multiply by itself to get the given number. When you square a number, you are multiplying it by itself.

Alveoli are not a part of the human respiratory system. They are a part of the human circulatory system.

Cubing is the mathematical operation that is the inverse of taking the cube root. When you take the cube root of a number, you are finding out what number you need to multiply by itself three times to get the given number. When you cube a number, you are multiplying it by itself three times.