7th Standard Science English Medium Free Online Test 1 Mark Questions 2020 - 2021 Part - Nine

7th Standard

    Reg.No. :
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Science

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

    Part A

    20 x 1 = 20
  1. The shortest distance between the earth and the sun is called as _______ position.

    (a)

    Light year

    (b)

    normal

    (c)

    perihelion

    (d)

    aphelion

  2. Suppose a boy is enjoying a ride on a marry go round which is moving with a constant speed of 10 m/s. It implies that the boy

    (a)

    at rest

    (b)

    moving with no acceleration

    (c)

    in accelerated motion

    (d)

    moving with uniform velocity

  3. If the velocity of a body does not change, then its acceleration is ____________

    (a)

    infinity

    (b)

    unity

    (c)

    zero

    (d)

    between zero and unity

  4. An atom of Oxygen (O) and two atoms of hydrogen (H2) combine to form a molecule of ____________

    (a)

    hydrogen

    (b)

    ozone

    (c)

    water

    (d)

    none

  5. The atomic number of an atom is ________

    (a)

    Number of neutrons

    (b)

    Number of protons

    (c)

    Total number of protons and neutrons

    (d)

    Number of atoms

  6. Whose theory does not propose anything about the positive and negative charges of an atoms.

    (a)

    J.J. Thomson

    (b)

    Dalton

    (c)

    Rutherford

    (d)

    Bohr

  7. The positively charged particle is _________

    (a)

    electron

    (b)

    proton

    (c)

    neutronnone

    (d)

    none

  8. Breathing Roots are seen in ________

    (a)

    Tarpa

    (b)

    Avicennia

    (c)

    Eicchornia

    (d)

    pisum

  9. The tobacco chewing causes

    (a)

    Anamia

    (b)

    Periodontitis

    (c)

    Tuberculosis

    (d)

    Pneumonia

  10. ____________ is a disease caused due to entry of external harmful agents in the body

    (a)

    Hypothyroidism

    (b)

    Pellagra

    (c)

    Asthma

    (d)

    Night blindness

  11. Name of software used to convert photo stories into videos.

    (a)

    Microsoft photo story

    (b)

    Microsoft picture story

    (c)

    Photoshop

    (d)

    'Paint app'

  12. The body temperature of a healthy man is;

    (a)

    00C

    (b)

    370C

    (c)

    980C

    (d)

    1000C

  13. ________is an example of a periodic change.

    (a)

    Earthquake.

    (b)

    Formation of rainbow in sky

    (c)

    Occurrence of tides in seas.

    (d)

    Showering of rain

  14. Who proposed the five kingdom of classification?

    (a)

    Aristotle

    (b)

    Linnaeus

    (c)

    Whittakar

    (d)

    Plato

  15. Light is a form of________

    (a)

    matter

    (b)

    energy

    (c)

    medium

    (d)

    particle

  16. Telescope was invented by

    (a)

    Han Lippershey

    (b)

    Galilio

    (c)

    Nicolus Coppernicus

    (d)

    Ptolomy

  17. When you place a natural fibre in a flame it____________

    (a)

    melts

    (b)

    burns

    (c)

    gets nothing

    (d)

    explodes

  18. A drug effective in the treatment of pneumonia, and bronchitis, is _________

    (a)

    Streptomycin

    (b)

    Chloramphenicol

    (c)

    Penicillin

    (d)

    Sulphaguanidine

  19. Which parts of the goat and sheep is used for manufacturing clothes

    (a)

    Leg

    (b)

    Hand

    (c)

    Hair

    (d)

    Head

  20. The Keyboard shortcut is used to copy the selected text

    (a)

    Ctrl+c

    (b)

    Ctrl+v

    (c)

    Ctrl+x

    (d)

    Ctrl+A

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