6) The rocks. formed due to solidification of molten mass laying below or above the earth surface, are called.

• (a) aqueous rocks
• (b) sedimentary rocks
• (c) metamorphic rocks
• (d) igneous rocks

7) The calcareous rocks have ................. as the main constituent.

• (a) lime or calcium carbonate
• (b) clay or alumina

8) Gneiss is chemically classified as

• (a) calcareous rock
• (b) argillaceous rock
• (c) silicious rock
• (d) none of these

9) Which of the following is a sedimentary rock?

• (a) Lime stone
• (b) Gneiss
• (c) Granite
• (d) Dolerite

10) Which of the following is an example of agrillaceous rock ?

• (a) Kaolin
• (b) Slate
• (c) Laterite
• (d) all of these