Test on Rock, Soil and Minerals
FM- 40                                                                    Time:- 30 minutes
Q.1. Multiple Choice Questions (10 X1= 10 )
    I.     Which of the following is a type of rock?
(a) Granite (b) Diamond (c) Iron (d) Sand
   II.     Minerals are made up of:
(a) One element (b) Two elements (c) Three elements (d) Four or more elements
  III.     Which type of rock is formed from cooled magma or lava?
(a) Igneous (b) Sedimentary (c) Metamorphic (d) None of the above
  IV.      Which of the following is a common mineral found in rocks?
(a) Quartz (b) Gold        (c) Silver (d) Copper
   V.      Which type of rock is formed by the compaction and cementation of sediment?
(a) Igneous      (b) Sedimentary (c) Metamorphic (d) None of the above
  VI.      The Earth’s core is made up of:
(A) Volcanoes           (B) Molten rock      (C) Sand
 VII.      Which of the following is most useful for the growth of plants?
(A) Humus              (B) Sand             (C) Small rocks
 VIII.     Which of the following igneous rock/s is/are used to make kitchen counters, floor etc.?
(A) Obsidian           (B) Granite           (C) Pumice
  IX.      Which of the following statement is true for conglomerate?
(A) It is formed by rounded stones such as pebbles, gravel and boulders cemented together into a mass
(B) It is formed by quick cooling of lava.
(C) It is a metamorphic rock
   X.      Which of the following is the lowest layer of the soil?
(A) Topsoil            (B) Subsoil          (C) Bedrock
Q.2. Fill in the Blanks (5 X 1=5)
(i) __________ is the process of breaking down rocks into smaller particles.
(ii) __________ is the hardest mineral found on Earth.
(iii) Rocks that are formed from the accumulation of sediments are called __________ rocks.
(iv) __________ rock is formed when magma or lava cools and solidifies.
(v) The process of changing one type of rock into another is called the __________ cycle.
Q.3. True or False( 5X 1= 5)
(i) Minerals are naturally occurring substances found in the Earth's crust.
(ii) Magma is molten rock material found beneath the Earth's surface.
(iii) Marble is an example of an igneous rock.
(iv) All rocks are made up of minerals.
(v) Fossils can be found in metamorphic rocks.
Q.4. Match the column. (5)
Q5. Identify the different layers of soil on the basis of its composition. (5 X 1= 5)
    A) H _ _ _ S             B) _ _ _ _ R      C) C _ _ _
    D) _ _ N _               E) G _ _ V _ _