Question

C. Multiple choice questions.
1. These rocks are formed when molten rock from
inside the Earth comes to the surface, cools and
solidifies:
a) metamorphic
b) igneous
c) sedimentary
2. When a rock undergoing weathering splits into
blocks, it is known as:
a) degradation b) block disintegration
c) talus formation d) mass movement
3. Rain water reacts with this gas to form carbonic
acid:
al of the top layer of soil by the agents
is called soil erosion. Soil erosion
e fertility of the soil.
aportant natural resource and must
ed through planting more trees, or
errace farming, contour farming and
a) oxygen
b) hydrogen
c) carbon dioxide d) nitrogen
4. Kaolinite is the chemically altered form of:
a) gypsum
b) granite
c) feldspar
d) marble
5. This is a clayey soil made from the weathering of
lava, and best suited for the cultivation of cotton
a) alluvial soil
b) lateritic soil
c) red soil
d) black soil
​

Answer 1

Explanation:

1...metamorphic

2...Block disintegration

3...Aqueous carbon dioxide

5...Alluvial soil.

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