Ordinary level 2026 South West mock geology 1

The term Geology best refers to:

• A. The study of the Earth and nature.

• B. The study of the Earth, its processes and materials.

• C. Study of the solar system and its relationship to the Earth

• D. The study of the planets.

Identify the branch of geology that makes use of geological knowledge to solve environmental and engineering problems.

• A. Structural Geology

• B. Environmental Geology

• C. Applied Geology

• D. Economic Geology

The study of rocks for road construction is called;

• A. Petrology

• B. Mineralogy

• C. Economic Geology

• D. Engineering Geology

The rigid outer layer consisting of the crust and upper mantle is called the:

• A. Hydrosphere

• B. Lithosphere

• C. Core

• D. Asthenosphere

What is the main difference between the Moon and the Earth?

• A. The Moon is a star while the Earth is found around the Moon.

• B. The Moon is larger while the Earth is smaller.

• C. The Earth is rocky while the Moon has craters.

• D. The Earth is a planet that supports life, while the Moon is a natural satellite that cannot support life.

The layer of the Earth that is made mainly of iron and nickel is the:

• A. Mantle

• B. Crust

• C. Outer core

• D. Lithosphere

Earthquakes are mainly caused by:

• A. Movement of tectonic plates

• B. Wind erosion

• C. Ocean currents

• D. Heavy rainfall

The second most destructive waves are the;

• A. P waves

• B. S waves

• C. Surface waves

• D. L waves

Foreshocks usually occur;

• A. Before an earthquake

• B. During an earthquake

• C. After an earthquake

• D. Between two earthquakes

The main use of limestone is in the manufacture of:

• A. Glass

• B. Paint

• C. Fertilizers

• D. Cement

Extrusive Igneous rocks are formed when;

• A. Magma solidifies in the Crust.

• B. Lava cools in the Earth

• C. Magma solidifies on the Earth.

• D. Lava solidifies on the Earth.

The presence of many vesicles (holes) seen in volcanic rocks indicate;

• A. Erosion by water

• B. Escape of cooling gases

• C. Pressure on the rocks

• D. Chemical reactions

Sedimentary rocks are formed as a result of:

• A. Erosion and deposition

• B. Deposition and crystallization

• C. Compaction and solidification

• D. Lithification and diagenesis

Which is the largest sediment particle?

• A. Gravel

• B. Sand

• C. Clay

• D. Silt

Magma that is poor in silica is described as

• A. Acid

• B. Basic

• C. Intermediate

• D. Granitic