T1 - Atomic Structure English Medium Free Online Test 1 Mark Questions 2020-2021

7th Standard

    Reg.No. :
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Science

Time : 00:10:00 Hrs
Total Marks : 10

    Part A

    10 x 1 = 10
  1. The basic unit of matter is ________

    (a)

    Element

    (b)

    Atom

    (c)

    Molecule

    (d)

    Electron

  2. _______ is positively charged.

    (a)

    Proton

    (b)

    Electron

    (c)

    Molecule

    (d)

    Neutron

  3. _________ Nucleons comprises of

    (a)

    Protons and electrons

    (b)

    Neutrons and electrons

    (c)

    Protons and neutrons

    (d)

    Neutrons and Positron

  4. ____________ is made up of two or more atoms

    (a)

    Atoms

    (b)

    Molecule

    (c)

    Compound

    (d)

    None

  5. 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

  6. One Nanometre is equal to _____________

    (a)

    108 m

    (b)

    10-9 m

    (c)

    10-5 m

    (d)

    109 m

  7. Protons and neutrons are called __________

    (a)

    atom

    (b)

    nucleons

    (c)

    positive charge

    (d)

    negative charge

  8. Electron was discovered by ___________

    (a)

    J.J. Thomson

    (b)

    Chadwick

    (c)

    Goldstein

    (d)

    Delton

  9. The positively charged particle is _________

    (a)

    electron

    (b)

    proton

    (c)

    neutronnone

    (d)

    none

  10. Atomic number is represented by the letter __________

    (a)

    A

    (b)

    N

    (c)

    P

    (d)

    Z

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