9th Standard Science English Medium Free Online Test 1 Mark Questions with Answer Key 2020 - 2021 Part - 8

9th Standard

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Science

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

    Part A

    20 x 1 = 20
  1. The diameters of spherical objects are measured with a_________scale.

    (a)

    pitch

    (b)

    meter

    (c)

    head

    (d)

    vernier

  2. Which one of the following is most likely not a case of uniform circular motion?

    (a)

    Motion of the Earth around the Sun

    (b)

    Motion of a toy train on a circular track

    (c)

    Motion of a racing car on a circular track.

    (d)

    Motion of hours hand on the dial of the clock

  3. The second law of refraction is stated by ____________________

    (a)

    C.V. Raman

    (b)

    Gallileo

    (c)

    Newton

    (d)

    Snell

  4. For a simple distillation process we need to have

    (a)

    an evaporating dish

    (b)

    a separating funnel

    (c)

    a filter with filter paper

    (d)

    a Liebig condenser

  5. During photosynthesis plants exhale _______. 

    (a)

    Carbon dioxide

    (b)

    oxygen

    (c)

    hydrogen

    (d)

    helium

  6. Sunflower follows the path of the sun from__________________.

    (a)

    south to north

    (b)

    North to south

    (c)

    East to West

    (d)

    west to east.

  7. Cephalization is related to

    (a)

    Head formation

    (b)

    Gut formation

    (c)

    Coelom formation

    (d)

    Gonad formation

  8. Identify the single celled organism.

    (a)

    Fern

    (b)

    Rabbit

    (c)

    Cat

    (d)

    Pond algae

  9. Ascon worms belongs to_________.

    (a)

    invertebrates

    (b)

    vertebrates

    (c)

    Urochordates

    (d)

    Hemichordates

  10. Which one of the following is a disaccharide?

    (a)

    Maltose

    (b)

    Starch

    (c)

    Chitin

    (d)

    Cellulose

  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. Electroplating is an example for

    (a)

    heating effect

    (b)

    chemical effect

    (c)

    flowing effect

    (d)

    magnetic effect

  13. Group 16 elements are collectively called as__________

    (a)

    chalcogen family

    (b)

    carbon family

    (c)

    halogens

    (d)

    nitrogen family

  14. The hydrated salt of copper sulphate has______colour

    (a)

    Red

    (b)

    White

    (c)

    Blue

    (d)

    White

  15. The____________ epithelium forms a selective permeable membrane surface.

    (a)

    Ciliated

    (b)

    Squamous

    (c)

    Cuboidal

    (d)

    Glandular

  16. Which one of the following is an output device?

    (a)

    Mouse

    (b)

    Keyboard

    (c)

    Speaker

    (d)

    Pendrive

  17. Air gets ____________ as we go down below the sea level like mines

    (a)

    heavier

    (b)

    thinner

    (c)

    greater

    (d)

    lesser

  18. A phenomenon in which an element exists in different modification in same physical state is called

    (a)

    Isomerism

    (b)

    Allotropy

    (c)

    Catenation

    (d)

    Crystallinity

  19. Increased amount of ___________ in the atmosphere, results in greenhouse effect and global warming

    (a)

    carbon monoxide

    (b)

    sulphur dioxide

    (c)

    nitrogen dioxide

    (d)

    carbon dioxide

  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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