Which vitamin deficiency commonly causes night blindness in humans?

Which vitamin deficiency commonly causes the disease scurvy?

Which element is the primary component of natural gas used for cooking and heating?

Which gland in the human body is often referred to as the master gland because it controls other endocrine glands?

Which type of energy is stored in the chemical bonds of food and fuels?

Which part of the human brain regulates vital involuntary functions such as breathing and heartbeat?

Which law of motion explains why passengers lurch forward when a moving bus suddenly stops?

Which part of the human brain is primarily responsible for controlling balance and coordination?

Which law explains the equal and opposite reaction observed when a rocket launches?

Which blood type is known as the universal recipient for blood transfusions?

Which scientific principle explains why objects float or sink in a fluid?