Revise Class IX Science chapter by chapter with free online MCQ practice tests based on the NCERT textbook. The chapters cover matter and its nature, atoms and molecules, the structure of the atom, the fundamental unit of life, tissues, motion, force and laws of motion, gravitation, work and energy, sound and natural resources. Each test is short and timed, and you see your score and a complete answer review as soon as you submit. Use these tests after finishing a chapter in class or before a unit test, and attempt them as many times as you need until the concepts are clear.