9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 4

9th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Science

Time : 00:20:00 Hrs
Total Marks : 20

    Part A

    20 x 1 = 20
  1. Which among the following is not a device to measure mass

    (a)

    Spring balance

    (b)

    Beam balance

    (c)

    Physical balance

    (d)

    Digital balance

  2. _________is not the unit of length.

    (a)

    Muzham

    (b)

    Furlong

    (c)

    Mile

    (d)

    Hour

  3. The centrifugal force is

    (a)

    Real force

    (b)

    The force of reaction of centripetal force

    (c)

    Virtual force

    (d)

    Directed towards the centre of the circular path.

  4. The mirror used by a dental surgeon, is _______________________

    (a)

    plane

    (b)

    convex

    (c)

    concave and convex

    (d)

    concave

  5. The separation of denser particles from lighter particles done by rotation at high speed is called ________

    (a)

    Filtration

    (b)

    sedimentation

    (c)

    decantation

    (d)

    centrifugation

  6. The direct change of state from solid to gas is called______

    (a)

    filtration

    (b)

    decantation

    (c)

    sublimation

    (d)

    evaporation

  7. Chlorophyll in a leaf is required for __________.

    (a)

    photosynthesis

    (b)

    transpiration

    (c)

    tropic movement

    (d)

    nastic movement

  8. ___________________% of water is used to produce carbohydrates by the plants.

    (a)

    0.01%

    (b)

    0.001%

    (c)

    0.1%

    (d)

    0.6%.

  9. Identify the most common larva of segmented worms?

    (a)

    Bipinnaria

    (b)

    Tadpole

    (c)

    Trochophore

    (d)

    Ascon

  10. Larva of frog is_________.

    (a)

    Trochophore

    (b)

    Asicidian

    (c)

    Tadpole

    (d)

    Balanoglossus

  11. Identify the monosaccharide

    (a)

    Amylose

    (b)

    Sucrose

    (c)

    Glucose

    (d)

    Lactose

  12. Calorie is the unit of

    (a)

    heat

    (b)

    work

    (c)

    temperature

    (d)

    food

  13. Potential near a charge is the measure of its________ to bring a positive charge at that point

    (a)

    force

    (b)

    abiility

    (c)

    tendency

    (d)

    work

  14. Transformer works on.

    (a)

    AC only

    (b)

    DC only

    (c)

    bothAC and DC

    (d)

    AC nor effectively than DC

  15. Acids turn blue litmus paper to_______

    (a)

    Green

    (b)

    Red

    (c)

    Orange

    (d)

    Orange

  16. Which muscles act involuntary?
    (i) Striated muscles
    (iii) Cardiac muscles
    (ii) Smooth muscles
    (iv) Skeletal muscles

    (a)

    (i) and (ii)

    (b)

    (ii) and (iii)

    (c)

    (iii) and (iv)

    (d)

    (i) and (iv)

  17. In a pressure cooker, the food is cooked faster because

    (a)

    increased pressure lowers the boiling point

    (b)

    increased pressure raises the boiling point

    (c)

    decreased pressure raises the boiling point

    (d)

    increased pressure lowers the melting point

  18. When the pitch of note by a harmonium is lowered, then the wave length of the note

    (a)

    first decreases and then increases

    (b)

    decreases

    (c)

    remains the same

    (d)

    increases

  19. Which of the following does not contain natural dyes?

    (a)

    Potato

    (b)

    Beetroot

    (c)

    Carrot

    (d)

    Turmeric

  20. The major constituent of vinegar is

    (a)

    citric acid

    (b)

    acetic acid

    (c)

    oxalic acid

    (d)

    hydrochloric acid

*****************************************

Reviews & Comments about 9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 4

Write your Comment