9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 3

9th Standard

    Reg.No. :
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Science

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

    Part A

    20 x 1 = 20
  1. 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

  2. The slope of the velocity time graph for uniformly accelerated motion give _____

    (a)

    speed

    (b)

    acceleration

    (c)

    displacement

    (d)

    velocity

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

    (a)

    Separating funnel

    (b)

    centrifuge machine

    (c)

    filter paper

    (d)

    sieve

  4. The pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant_______

    (a)

    volume

    (b)

    temperature

    (c)

    pressure

    (d)

    rate

  5. Shoots are said to_____________.

    (a)

    Negative phototropism

    (b)

    Positive phototropism

    (c)

    Positive hydrotropism

    (d)

    Negative chemotropism

  6. The animal without skull is

    (a)

    Acrania

    (b)

    Acephalia

    (c)

    Apteria

    (d)

    Acoelomate

  7. All life can be divided into________major categories.

    (a)

    one

    (b)

    two

    (c)

    three

    (d)

    four

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

    (a)

    Vitamin B3

    (b)

    Vitamin B6

    (c)

    Vitamin B12

    (d)

    Vitamin B2

  9. Lipases are _________.

    (a)

    Carbohydrates

    (b)

    Vitamins

    (c)

    Minerals

    (d)

    Enzymes

  10. SI unit of temperature is

    (a)

    fahrenheit

    (b)

    joule

    (c)

    celsius

    (d)

    kelvin

  11. 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

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

    (a)

    13th

    (b)

    18th

    (c)

    17th

    (d)

    2nd

  13. Bond formed between a metal and non-metal atom is usually____________

    (a)

    ionic bond

    (b)

    covalent bond

    (c)

    co-ordinate bond

    (d)

    covalent bond

  14. Bases ionise in water to form______ions

    (a)

    H+

    (b)

    H3O+

    (c)

    OH-

    (d)

    O2-

  15. erve cell does not contains

    (a)

    axon

    (b)

    nerve endings

    (c)

    tendons

    (d)

    dendrites

  16. Gastric glands do not secrete__________

    (a)

    renin

    (b)

    pepsin

    (c)

    lipase

    (d)

    none of the above

  17. An empty plastic bottle closed with an airtight stopper is pushed down into a bucket filled with water. As the bottle is pushed down, there is an increasing force on the bottom as shown in graph. This is because

    (a)

    more volume of liquid is dispaced

    (b)

    more weight of liquid is displaced

    (c)

    pressure increases with depth

    (d)

    all the above

  18. Number of free electron(s) in each carbon of graphite is

    (a)

    one

    (b)

    Two

    (c)

    Three

    (d)

    Four

  19. In some xerophytes, leaves are modified into spines as an adaptation ________________.

    (a)

    to reduce transpiration rate

    (b)

    to store water

    (c)

    to reduce consumption of water

    (d)

    all of the above

  20. Microbes that generally enter the body through nose are likely to affect

    (a)

    gut

    (b)

    lungs

    (c)

    liver

    (d)

    lymph nodes

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