Class/Course - Class IX

Subject - Science

Total Number of Question/s - 4476

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  • 1. Matter in Our Surroundings - Quiz

    1. Based on the statements given here choose the correct answer.
    P. In polar regions aquatic life is safe in water under frozen ice
    Q. Water has a high latent heat of fusion and the upper portion of ice does not allow the heat of the water to escape to the surroundings.

    a) Only P is correct
    b) Only Q is correct
    c) Both P and Q are correct and Q is the satisfactory explanation of P.
    d) Both P and Q are correct but Q is not the satisfactory explanation of P.

    2. Which of the following are also considered to be the states of matter?
    (i) Plasma (ii) Platelets (iii) BEC (iv) BHC
    a) (i) and (ii)
    b) (ii) and (iii)
    c) (i) and (iii)
    d) (ii) and (iv)

  • 2. Is Matter Around Us Pure - Quiz

    1. Diamond is the strongest naturally occurring substance. Its hardness is due to:
    a) High boiling point
    b) High solubility in water
    c) Covalent bonds
    d) High electrical conductance

    2. Which of the following does not have a fixed melting point/boiling point?
    a) gold
    b) ethanol
    c) air
    d) oxygen

  • 3. Atoms and Molecules - Quiz

    1. The atomicities of ozone, sulphur, phosphorus and argon are respectively:
    a) 8, 3, 4 and1
    b) 1, 3, 4 and 8
    c) 4, 1, 8 and 3
    d) 3, 8, 4 and 1

    2. The percentage of oxygen in NaOH is:
    a) 40
    b) 16
    c) 20
    d) 32

  • 4. Structure of the Atom - Quiz

    1. The charge carried by an electron is:
    a) 1. 602 x 1019 coulombs
    b) 1. 602 x 10-19 coulombs
    c) 1.609 columbs
    d) 6.02 x 1019 coulombs

    2. Atoms of different elements havinng identical masses are known as :
    a) isotopes
    b) isobars
    c) isotones
    d) isomers

  • 5. The Fundamental Unit Of Life - Quiz

    1. Aleuroplasts in a cell store
    a) starch
    b) oil
    c) protein
    d) nuterients

    2. Normally, in the process of osmosis, the net flow of water molecules in or out of the cell depends upon differences in the:
    a) Rate of movement of insoluble molecules inside the cell
    b) Rate of molecular motion on either side of the cell membrane
    c) Concentration of enzymes on either side of the cell membrane
    d) Concentration of water molecules inside and outside the cell

  • 6. Tissues - Quiz

    1. Cartilage is produced by:
    a) Chondrocytes
    b) Osteoblasts
    c) Fibroblast
    d) Epithelium

    2. The dead elements present in the phloem is
    a) companion cells
    b) phloem fibres
    c) phloem parenchyma
    d) sieve tube cells

  • 7. Diversity in Living Organisms - Quiz

    1. Sponges are not found in :
    a) cold weatr
    b) sea water
    c) blackish water
    d) sandy shore

    2. Pteridophytes do not have
    a) root
    b) stem
    c) flowers
    d) leaves

  • 8. Motion - Quiz

    1. In the speed-time graph for a moving object shown here, the part which indicates uniform deceleration of the object is:

    a) ST
    b) QR
    c) RS
    d) PQ

    2. The numerical ratio of displacement to distance for a moving object is:
    a) always less than 1
    b) equal to 1 more than 1
    c) always more than 1
    d) equal to 1 or less than1

  • 9. Force and Laws of Motion - Quiz

    1. Which of the following are vector quantities?
    a) Force
    b) Momentum
    c) Velocity
    d) All of these

    2. The physical quantity, which is the measure of inertia, is ________
    a) mass
    b) density
    c) force
    d) weight

  • 10. Gravitation - Quiz

    1. Four balls, A, B, C and D displace 10 mL, 24 mL, 15mL and 12mL of a liquid respectivey, when immersed completely. The ball which will undergo the maximum apparent loss in weight will be:
    a) A
    b) B
    c) C
    d) D

    2. An apple of mass 100 g falls from a tree because of gravitational attraction between the earth the earth and the apple. If the magnitude of force exerted by the earth on the apple be F1 and the magnitude of force exerted by the apple on the earth be F2, then
    a) F1 is very much greater than F2
    b) F2 is very much greater than F1
    c) F1 is only a little greater than F2
    d) F1 and F2 are exactly equal

  • 11. Work and Energy - Quiz

    1. If momentum of a body is increased by 10% its K.E. :
    a) decreases
    b) increasesed by same amount
    c) remains unaffected
    d) increases by 1.21 times

    2. The device which converts mechanical energy into energy which runs our microwave oven is:
    a) electric motor
    b) alternator
    c) turbine
    d) electric heater

  • 12. Sound - Quiz

    1. A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case:
    a) sound will be louder but pitch will not be different
    b) sound will be louder and the pitch will also be higher
    c) sound will be louder but pitch will be lower
    d) both loudness and pitch will remain unaffected

    2. Timbre is called the quality of sound. One can recognise bthe voice of a familiar human being or instrument without actually seeing them. This quality is associated with :
    a) material of the body
    b) overtones present in the sound
    c) shape of the body
    d) all of the above

  • 13. Why do we Fall ill - Quiz

    1. Acene are caused by
    a) H1N1
    b) trypanosoma
    c) staphylococus
    d) leishmania

    2. Which one of the following is incorrect about tuberculosis?
    a) it is caused by salmonella
    b) it is commonly affects lungs
    c) bacteria release tuberculin toxin
    d) patient`s sputum contains blood

  • 14. Natural Resources - Quiz

    1. ___________fixes carbon in green plants as simple sugars.
    a) Dentitrification
    b) Photosynthesis
    c) Carbonation
    d) Bacteria

    2. What is the source of SO2 emissions ?
    a) Agriculture industries
    b) Natural gas processing
    c) Hdro-electric generators
    d) None of the above

  • 15. Improvement in Food Resources - Quiz

    1. Wax glands of honeybee are present in:
    a) queen
    b) drones
    c) workers
    d) both (a) and (c)

    2. Biotic components include:
    a) Water, air and soil
    b) All animals
    c) All plants
    d) All the living organisms