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

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

    (d)

    acceleration of the moving object

  2. The velocity time graph is parallel to X-axis it shows _______

    (a)

    uniform velocity of an object

    (b)

    non-uiniform velocity

    (c)

    stationary position of an object

    (d)

    acceleration motion of an object

  3. Change in the number of neutrons in an atom changes it to

    (a)

    an ion

    (b)

    an isotope

    (c)

    an isobar

    (d)

    another element

  4. Elements which have valence electrons 1 or 2 or 3 are ____________

    (a)

    metal

    (b)

    non-metal

    (c)

    rare metal

    (d)

    valuable metal

  5. Identify the emerald green sea slug________________.

    (a)

    Vaucheria litorea

    (b)

    Nepenthes

    (c)

    Droseta

    (d)

    Elysia chlorotica

  6. Which is not a feature of chordates

    (a)

    Green glands

    (b)

    Sweat glands

    (c)

    Sebaceous gland

    (d)

    Mammary gland

  7. The binomial name of star fish is_________.

    (a)

    Pila globosa

    (b)

    Asterias rubens

    (c)

    Hydra vulgaris

    (d)

    Amoebaproteus

  8. Blood clot is prevented by the vitamin _________ .

    (a)

    A

    (b)

    D

    (c)

    E

    (d)

    K

  9. Two cylinders of equal height and radius are made of copper and aluminium. Which of them conducts heat faster?

    (a)

    Copper rod

    (b)

    Aluminium rod

    (c)

    Both of them

    (d)

    None of them

  10. Ice does not melt rapidly because of

    (a)

    high specific heat capacity

    (b)

    high latent of fusion

    (c)

    high heat capacity

    (d)

    high latent heat of fusion

  11. Assertion (A): Non-metals are electronegative.
    Reason (R) : Non-metal lose electrons to form cation

    (a)

    Both A & R are right

    (b)

    Both A & R are wrong

    (c)

    A is right R is wrong

    (d)

    A is wrong R is right

  12. The element that would form anion by gaining electrons in a chemical reaction is___________

    (a)

    Potassium

    (b)

    Calcium

    (c)

    Fluorine

    (d)

    Iron

  13. In a certain type of cell division the diploid number of chromosome is reduced to half. This kind of division occurs in

    (a)

    testis

    (b)

    ovary

    (c)

    both ovary and testis

    (d)

    all body cells

  14. The function of phloem  fibres is__________

    (a)

    passage of food

    (b)

    store food

    (c)

    mechanical strength

    (d)

    preparation of food

  15. The act of bringing swallowed food back to the mouth is called___________

    (a)

    egestion

    (b)

    ingestion

    (c)

    micturition

    (d)

    regurgitation

  16. If the speed of a wave is 340 m s-1 and its frequency is 1700 Hz, then wavelength λ for this wave in cm will be

    (a)

    34

    (b)

    20

    (c)

    15

    (d)

    0.2

  17. Which of the following are infrasonic waves?

    (a)

    5 kHz

    (b)

    25 Hz

    (c)

    10 Hz

    (d)

    15000 Hz

  18. In a covalent bond formation

    (a)

    transfer of electrons takes place

    (b)

    equal sharing of electrons between two atoms takes place.

    (c)

    electrons are shared by one atom only.

    (d)

    electrons are donated by one atom and shared by both atoms.

  19. The antibiotic Penicillin is obtained from ___________ 

    (a)

    plant

    (b)

    microorganism

    (c)

    animal

    (d)

    sunlight

  20. Which of the following are Indian cattle?
    i. Bos indicus
    ii. Bos domesticus
    iii. Bos bubalis
    iv. Bos vulgaris

    (a)

    i and ii

    (b)

    i and iii

    (c)

    ii and iii

    (d)

    iii and iv

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