T1 - Matter Around Us 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. Which of the following is an example of a metal?

    (a)

    Iron

    (b)

    Oxygen

    (c)

    Helium

    (d)

    Water

  2. Which of the following is a short and scientific way of representing one molecule of an element or compound?

    (a)

    Mathematical formula

    (b)

    Chemical formula

    (c)

    Mathematical symbol

    (d)

    Chemical symbol

  3. An element which is always lustrous, malleable and ductile

    (a)

    non-meta

    (b)

    metal

    (c)

    metalloid

    (d)

    gas

  4. The graphite refill used is pencil is made of element called ___________

    (a)

    graphit

    (b)

    carbon

    (c)

    silicon

    (d)

    sodium

  5. The most abundant type of atom is the universe is _____________

    (a)

    Helium

    (b)

    Hydrogen

    (c)

    Argon

    (d)

    Argon

  6. _____________ is a substance that is made up of three oxygen atoms chemically combined.

    (a)

    Oxygen

    (b)

    Hydrogen

    (c)

    Ozone

    (d)

    CO2

  7. Amolecule which contains only one atom is called _________ molecule

    (a)

    monoatomic

    (b)

    diatomic

    (c)

    triatomic

    (d)

    none

  8. ________________ is the first scientist who used the term element.

    (a)

    Newton

    (b)

    Einstein

    (c)

    Robert Boyle

    (d)

    Robert hook

  9. The common salt consisting elements. of sodium and _________

    (a)

    Oxygen

    (b)

    Chlorine

    (c)

    Carbon

    (d)

    Hydrogen

  10. ___________ exhibit the properties of metals and non-metals.

    (a)

    Metalloids

    (b)

    Copper

    (c)

    Carbon

    (d)

    Nickle

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