Geography Half Yearly Examination Year 10

What are currents?

• Large scale continuous movement of water in seas and oceans.

• Waves striking against a rock surface trap air in its joints.

• Outcome of wave action with rock particles.

• Sediments carried by waves.

Which of the following factors contributes to the dynamic nature of coastal environments?

• Constant temperature

• Steady sea levels

• Changing tides and currents

• Uniform sediment deposition

Coastal erosion occurs primarily due to ________________.

• Decreasing sea levels

• Coastal vegetation

• Wave energy and currents

• Static coastal structures

Coastal areas are vital for climate regulation due to their role in ______________.

• Generating hurricanes

• Causing earthquakes

• Absorbing excess carbon dioxide

• Spreading wildfires

The tourism industry benefits greatly from coastal areas due to_________________.

• Lack of scenic beauty

• Inaccessibility

• Extreme weather conditions

• Beaches, resorts, and recreational activities

How do sea level rise and fall affect coastal environments?

• They have no impact on coastal ecosystems

• They create stable conditions along the coast

• They influence erosion and sedimentation patterns

• They accelerate vegetation growth

Which of the following is an example of a depositional coastal feature?

• Sea arch

• Sea stack

• Spit

• Headland

The earth's crust is made up of several ________________ which can slide past, pull apart from or push towards each other.

• internal forces

• magma chambers

• oceans

• plates

Living in earthquake zones can pose several hazards. Which of the following is not a hazard associated with living in earthquake zones?

• Threat of tsunamis

• Disruption of services

• Increased agricultural productivity

• Loss of lives

A tectonic plate is made up of the lithosphere, which includes the crust and the uppermost mantle. The earth's crust is broken into several pieces of tectonic plates that move in relation to one another.

 

Tectonic plates can be composed of:

            i.        Oceanic crust

           ii.       Continental crust

         iii.       A combination of oceanic and continental crust

Which of the following statements is true about the composition of tectonic plates?

• i only

• ii only

• iii only

• All of the above