Science Quiz for Class 10

With the ECTI, you will learn through the Science Quiz for Class 10 in a continuous testing process. It will help you prepare the particular topic in a row. 

On the other hand, repeated practice will ensure your grip for the best preparation. 

I am sure that the level of Science Quiz for Class 10 MCQs With The Answer is helpful material in preparing for tests, quizzes, and examinations for a grade. 

I carefully picked the most repeated but important Science MCQs of Class 10. 

In the future, I will add more Science MCQs For Class 10. If you could provide me with some valuable feedback on the selection of MCQs, I would appreciate it.

Science Quiz for Class 10 Instructions:

  • There will be 30 multiple choice questions in this Quiz.
  • Answers to the questions will change randomly each time you start this Quiz.
  • Practice this Quiz at least three times to secure High Marks.
  • You can see your scores and ratings at the end of the Quiz.
  • If you found any incorrect answers in the Quiz, click on the quiz title and comment on that MCQ so our team can update the incorrect answer on time.

  • Question of

    An aqueous solution turns red litmus solution blue. Excess addition of which of the following solution would reverse the change?

    • Hydrochloric acid
    • Ammonium hydroxide solution
    • Lime
    • Baking powder
  • Question of

    The pH of a solution is 7. How can you increase its pH?

    • By adding a small amount of base.
    • By adding a small amount of acid
    • By adding a small amount of salt.
    • By passing carbon dioxide gas through it.
  • Question of

    Sodium carbonate is a basic salt because it is a salt of:

    • weak acid and strong base
    • strong acid and weak base
    • weak acid and weak base
    • strong acid and strong base
  • Question of

    If a few drops of a concentrated acid accidentally spills over the hand of a student, what should be done?

    • Wash the hand immediately with plenty of water and apply a paste of sodium hydrogen carbonate.
    • After washing with plenty of water and apply solution of sodium hydroxide on the hand.
    • Wash the hand with saline solution.
    • Neutralise the acid with a strong alkali.
  • Question of

    One of the constituents of baking powder is sodium hydrogen carbonate, the other constituent is ________.

    • tartaric acid
    • hydrochloric acid
    • acetic acid
    • sulphuric acid
  • Question of

    Increase in the OH:

    • an increases in the pH of solution
    • a decrease in the pH of the solution
    • decreases the basic strength of the solution
    • doesn’t alter the pH of the solution
  • Question of

    What is gastric acid present in the stomach composed of?

    • Hydrochloric acid
    • Sulphuric acid
    • Nitric acid
    • Lactic acid
  • Question of

    Which of the following is acidic in nature?

    • Lime juice
    • Human blood
    • Water
    • Antacid
  • Question of

    The enzyme responsible for the digestion of proteins in the small intestine is:

    • Trypsin
    • Pepsin
    • Amylase
    • Lipase
  • Question of

    The part where the exchange of gases occurs during respiration is:

    • Alveoli and capillaries
    • Alveoli and throat
    • Lungs and larynx
    • Throat and lungs
  • Question of

    The back flow of blood during the pumping of blood by heart is prevented by:

    • Valves in heart
    • Walls between atria and ventricles
    • Walls of ventricles
    • Walls of atrium
  • Question of

    The process of digestion is completed by:

    • Intestinal juice
    • trypsin
    • bile juice
    • pepsin
  • Question of

    The extracellular fluid released from the capillaries is:

    • lymph
    • plasma
    • serum
    • mucus
  • Question of

    In which part of the alimentary canal food is finally digested?

    • Small intestine
    • Small intestine
    • Mouth cavity
    • Stomach
  • Question of

    Choose the correct path of urine in our body:

    • kidney → ureters → urinary bladder → urethra
    • urinary bladder → kidney → ureter → urethra
    • kidney → urinary bladder → urethra → ureter
    • kidney → ureter → urethra → urinary bladder
  • Question of

    The strength of magnetic field inside a long current carrying straight solenoid is:

    • same at all points
    • found to increase from one end to the other
    • more at the ends than at the centre
    • minimum in the middle
  • Question of

    The most important safety method used for protecting home appliances from short circuiting or overloading is by:

    • use of fuse
    • use of electric meter.
    • earthing
    • use of stabilizers
  • Question of

    Select the incorrect statement:

    • Field lines can cross each other
    • The relative strength of the magnetic field is shown by degree of closeness of the field lines.
    • No two field lines can cross each other
    • Magnetic field lines are closed curves
  • Question of

    Which of the following is a non-renewable source of energy?

    • Fossil fuels
    • Wood
    • Sun
    • Wind
  • Question of

    Acid rain happens because:

    • burning of fossil fuels releases oxides of carbon, nitrogen and Sulphur in the atmosphere
    • electrical charges are produced due to friction amongst clouds
    • Sun heats up the upper layer of the atmosphere
    • earth atmosphere contains acids
  • Question of

    Fuel used in thermal power plants is:

    • fossil fuels
    • biomass
    • uranium
    • water
  • Question of

    In a hydro power plant:

    • potential energy possessed by stored water is converted into electricity
    • kinetic energy possessed by stored water is converted into potential energy
    • electricity is extracted from water
    • water is converted into steam to produce electricity
  • Question of

    Which is the ultimate source of energy?

    • Sun
    • Water
    • Uranium
    • Fossil fuels
  • Question of

    Hydra usually reproduces by:

    • regeneration and budding
    • multiple fission and fragmentation
    • fragmentation and budding
    • regeneration
  • Question of

    Tubectomy is carried out by blocking the ________.

    • oviduct
    • uterus
    • cervix
    • vagina
  • Question of

    AIDS is a sexually transmitted disease caused due to an infection by a ________.

    • virus
    • Plasmodium
    • protozoa
    • bacteria
  • Question of

    Characters that are transmitted from parents to offspring during reproduction show:

    • both similarities and variations with parents
    • only similarities with parents
    • neither similarities nor variations
    • only variations with parents
  • Question of

    Which of the following is biodegradable waste?

    • Cow dung
    • Plastic bag
    • Aluminium can
    • DDT
  • Question of

    The problem caused due to ozone hole is:

    • damage due to UV radiations
    • earthquakes
    • chemical pollution
    • acid rain
  • Question of

    An ecosystem includes:

    • both living organisms and non-living objects
    • sometimes living organisms and sometimes non-living objects
    • all living organisms
    • non-living objects

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