7th Standard English Medium Science Subject T1 - Atomic Structure Book Back 1 Mark Questions with Solution Part - I

7th Standard

    Reg.No. :
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Science

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. The basic unit of matter is ______.

    (a)

    Element

    (b)

    Atom

    (c)

    Molecule

    (d)

    Electron

  2. The sub-atomic particle which revolves around the nucleus is _______.

    (a)

    Atom

    (b)

    Neutron

    (c)

    Electron

    (d)

    Proton

  3. _______ is positively charged.

    (a)

    Proton

    (b)

    Electron

    (c)

    Molecule

    (d)

    Neutron

  4. The atomic number of an atom is the ______.

    (a)

    Number of neutrons

    (b)

    Number of protons

    (c)

    Total number of protons and neutrons

    (d)

    Number of atoms

  5. Nucleons comprises of _______.

    (a)

    Protons and electrons

    (b)

    Neutrons and electrons

    (c)

    Protons and neutrons

    (d)

    Neutrons and Positron

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