Cameroon GCE advanced level June 2021 geography 1

SECTION A: PHYSICAL GEOGRAPHY

Question 1

Which of the following best explain why the troposphere is described as the weather making layer?

• A Temperature changes with height.

• B It contains gases and water vapour which regulate temperature

• C It contains the ozone gas that traps ultra-violet rays

• D It has little quantities of carbon dioxide and dust which generate heat

Question 2

Study Figure 1 on the general atmospheric circulation

Fig 1: Model of general atmospheric circulation

Source: Adapted from Complete Physical Geography (Nchangvi, 2020)

Identify the air circulation model represented by X, Y, and Z respectively:

• A Ferrel cell, Hadley cell and Polar cell

• B Hadley cell, Ferrel cell and Polar cell

• C Polar cell, Ferrel cell and Hadley cell

• D Hadley cell, Ferrel cell, and Tricellular model

Question 3

It is a type of fog formed when warm air moves over a cold land or water surface.

• A Steam fog

• B Advection fog

• C Frontal fog

• D Inversion fog

Question 4

Figure 2 shows the distribution of a certain climate.

Fig 2: Areas of a given climate

Identify the climate whose distribution is shown on figure 2.

• A Equatorial climate

• B Tropical continental climate

• C Tropical hot desert climate

• D Tropical monsoon climate

Question 5

The data below compares the climates of two towns in Cameroon.

Location	Mean Temp (°C)	Mean annual precipitation (mm)
Town X	26.3°C	4,230
Town Y	32.5°C	900

Which statement best explains the climatic variation between the two towns?

• A Town X and Y are located on the same latitude

• B Town X is located at a lower altitude and Y at a higher altitude

• C Town X is located far inland and Y near a large lake

• D Town X is located in coastal zone and Y far inland

Question 6

A measure of the atmosphere to remove water from the earth’s surface assuming no limitation of water supply describes:

• A Evaporative loss

• B Actual evapotranspiration

• C Potential evapotranspiration

• D Evaporating pans