Objective Questions for General Science with Answer

    Which of the following is not a state of matter?
    a) Solid
    b) Liquid
    c) Gas
    d) Plasma
    Answer: d) Plasma

    What is the smallest unit of matter?
    a) Atom
    b) Molecule
    c) Cell
    d) Neuron
    Answer: a) Atom

    Which planet in our solar system is known as the "Red Planet"?
    a) Venus
    b) Jupiter
    c) Mars
    d) Saturn
    Answer: c) Mars

    What is the unit of measurement for electric current?
    a) Volt
    b) Ampere
    c) Ohm
    d) Watt
    Answer: b) Ampere

    Which of the following is not a form of energy?
    a) Thermal
    b) Sound
    c) Color
    d) Kinetic
    Answer: c) Color

    Which of the following is responsible for the sense of smell?
    a) Tongue
    b) Nose
    c) Skin
    d) Ear
    Answer: b) Nose

    Which gas makes up the majority of the Earth's atmosphere?
    a) Oxygen
    b) Nitrogen
    c) Carbon dioxide
    d) Helium
    Answer: b) Nitrogen

    What is the formula for water?
    a) CO2
    b) NaCl
    c) H2O
    d) C6H12O6
    Answer: c) H2O

    Which of the following is not a type of rock?
    a) Igneous
    b) Metamorphic
    c) Sedimentary
    d) Aquatic
    Answer: d) Aquatic

    Which of the following is the largest organ in the human body?
    a) Heart
    b) Brain
    c) Liver
    d) Skin
    Answer: d) Skin