Igneous Rocks MCQs Quiz Worksheet PDF Download

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MCQs on Igneous Rocks Quiz PDF Download

MCQ: A crystalline or glassy rock formed when magma or lava cools down and solidifies is called

  1. sedimentary rocks
  2. metamorphic rocks
  3. igneous rocks
  4. morphic rocks

C

MCQ: Obsidian is rich in

  1. silica
  2. iron
  3. cobalt
  4. calcium

A

MCQ: A rock which is formed after lava eruption is called

  1. Basalt
  2. granite
  3. sandstone
  4. limestone

A

MCQ: A stone which is used to sooth skin is glassy volcanic rock formed from lava froth is

  1. obsidian
  2. pumice
  3. basalt
  4. granite

B

MCQ: Iron-rich igneous rocks are denser than rocks which are rich in

  1. silica
  2. Sulphur
  3. cobalt
  4. calcium

A