F.5 DSE Geography - Revision on Unit 8.7

Which of the following are the reasons for the occurrence of landslides in Hong Kong?

• Heavy rainfall during summer

• Steep gradients of slope

• Existence of granitic rock

• Human activities on slopes

Which of the following is the definition of landslides?

• Only rock particles moving downslope at high speed

• Rock particles and mud moving downslope at low speed

• mudflow at low speed

• Rock particles and mud moving downslope at high speed

Which of the following are the characteristics of granite?

• Less resistant to weathering and erosion

• Well-jointed

• Formed underground by lava

• It comprises of 50% of the total land area of Hong Kong

Which of the following geotechnical measure can be seen from the photo?

• Retaining wall

• Shotcrete

• Debris barrier

• Subsurface drainage system

Which of the following geotechnical measure can be seen from the photo?

• Retaining wall

• Soil nails

• Debris barrier

• Slope greenery

Which of the following geotechnical measure can be seen from the photo?

• Retaining wall

• Soil nails

• Shotcrete

• Slope greenery

Which of the following geotechnical measure can be seen from the photo?

• Debris barrier

• Soil nails

• Shotcrete

• Slope greenery

Which of the following two governmental organizations are responsible for taking care of the slope management work in Hong Kong?

• Town Planning department

• Geotechnical Engineering Office

• Civil Engineering and Development Department

• Water Department

Which of the following conditions may make the possibility of landslides happening higher?

• Increased pore water pressure

• Increased shear strength

• Increased shear stress

• Loose soil cohesion

Which of following human activities which led to landslides were found in the history of Hong Kong?

• Illegal farming

• Squatter huts settlements

• Urban development on slopes

• Reclamation