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

9th Standard

    Reg.No. :
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Science

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

    Part A

    20 x 1 = 20
  1. There are___________fundamental units in SI system of units.

    (a)

    7

    (b)

    4

    (c)

    6

    (d)

    5

  2. The area under velocity time graph represents

    (a)

    Velocity of the moving object

    (b)

    Displacement covered by the moving object

    (c)

    Speed of the moving object

  3. The angle between the normal and the refracted ray is called angle of ________________________

    (a)

    reflection

    (b)

    refraction

    (c)

    incidence

    (d)

    deviation

  4. ______ is essential to perform separation by solvent extraction method.

    (a)

    Separating funnel

    (b)

    centrifuge machine

    (c)

    filter paper

    (d)

    sieve

  5. An alpha particle is identical with a ___________Nucleus.

    (a)

    Argon

    (b)

    Chlorine

    (c)

    Neon

    (d)

    Helium

  6. A plant is kept in a dark room for about 24 hours before conducting any experiment on photosynthesis in order to _______.

    (a)

    remove chlorophyll from the leaf

    (b)

    remove starch from the leaves

    (c)

    ensure that photosynthesis occurred

    (d)

    to prove transpiration

  7. Chlorophyll is a________________pigment

    (a)

    Yellow

    (b)

    Orange

    (c)

    green

    (d)

    Blue.

  8. All life can be divided into________major categories.

    (a)

    one

    (b)

    two

    (c)

    three

    (d)

    four

  9. Ascon worms belongs to_________.

    (a)

    invertebrates

    (b)

    vertebrates

    (c)

    Urochordates

    (d)

    Hemichordates

  10. Scaly skin, nerve disorders are due to the deficiency of ______

    (a)

    Vitamin B3

    (b)

    Vitamin B6

    (c)

    Vitamin B12

    (d)

    Vitamin B2

  11. SI unit of temperature is

    (a)

    fahrenheit

    (b)

    joule

    (c)

    celsius

    (d)

    kelvin

  12. The temperature at which a liquid gets converted into its vapour state is called its________

    (a)

    melting point

    (b)

    boiling point

    (c)

    dew point

    (d)

    freezing point

  13. The unit of magnetic flux density is

    (a)

    weber

    (b)

    weber/metre

    (c)

    weber/metre2

    (d)

    weber. metre2

  14. Noble gases are placed in_____________ group in the modern periodic table.

    (a)

    13th

    (b)

    18th

    (c)

    17th

    (d)

    2nd

  15. Since metal carbonate and metal bicarbonate are basic they react with acids to give salt and water with the liberation of__________

    (a)

    NO2

    (b)

    SO2

    (c)

    CO2

    (d)

    SO2

  16. _________is seen in unicellular animals.

    (a)

    Mitosis

    (b)

    mieosis

    (c)

    Amitosis

    (d)

    none of the above

  17. The common passage meant for transporting urine and sperms in male is___________

    (a)

    ureter

    (b)

    urethra

    (c)

    vas deferens

    (d)

    scrotum

  18. The speeds of sound in four different media are given below. Which of the following is the most likely speed in m s-1 with which the two under water whales in a sea can talk to each other when separated by a large distance?

    (a)

    5170

    (b)

    1280

    (c)

    340

    (d)

    1530

  19. This type of food protect us from deficiency diseases.

    (a)

    Carbohydrates

    (b)

    Vitamins

    (c)

    Proteins

    (d)

    Fats

  20. Which of the following is an high milk yielding variety of cow?

    (a)

    Holstein- Friesan

    (b)

    Dorset

    (c)

    Sahiwal

    (d)

    Red Sindhi

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