Rock formation - SS1 Agriculture Past Questions and Answers - page 1
What type of rock forms from the solidification of molten material?
Sedimentary
Igneous
Metamorphic
Sedimentary and igneous
Which rock type is most likely to contain fossils?
Igneous
Sedimentary
Metamorphic
None of the above
Which rock formation process involves the alteration of existing rocks under high temperature and pressure conditions?
Igneous rock formation
Sedimentary rock formation
Metamorphic rock formation
Weathering
Slow cooling of magma beneath the Earth's surface leads to the formation of:
Intrusive igneous rocks
Extrusive igneous rocks
Sedimentary rocks
Metamorphic rocks
What is the primary factor influencing soil formation?
Topography
Biological activity
Climate
Parent material
Which soil horizon consists of organic matter such as decaying leaves and plant material?
A horizon
B horizon
C horizon
O horizon
What is the primary difference between intrusive and extrusive igneous rocks?
Intrusive rocks have larger crystals than extrusive rocks.
Extrusive rocks form beneath the Earth's surface.
Intrusive rocks form on the Earth's surface.
Extrusive rocks form from molten material.
Which rock type is formed by the compaction and cementation of sediments?
Igneous
Sedimentary
Metamorphic
None of the above
Which rock type can preserve evidence of past environments and contain fossils?
Igneous
Sedimentary
Metamorphic
None of the above
What role do earthworms and bacteria play in soil formation?
They contribute to weathering of rocks.
They accelerate metamorphism.
They break down organic matter, enriching the soil.
They create igneous rocks.
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