All practice questions

Although irrigated paddy rice and sugarcane yield abundant harvests in the river floodplains (fadama) of Sokoto and Niger states, commercial perennial tree crops like cocoa and rubber cannot be successfully cultivated in these regions. Which environmental constraint primarily accounts for this agricultural boundary?

Arrange the stages of barchan dune formation in an arid environment in sequential order from initial sand accumulation to the fully developed landform.

A cross-section is constructed from a topographic map drawn at a horizontal scale of $1 : 50\,000$. If the vertical scale of the cross-section is set such that $1\text{ cm}$ represents $100\text{ m}$ of elevation, what is the vertical exaggeration of the cross-section?

Arrange the following climatic zones of West Africa in sequential order based on the duration of their wet season, starting from the zone with the longest rainy season to the zone with the shortest rainy season:

On a topographical map with a scale of $1 : 50,000$, two hilltops are located at elevations of $750\text{ m}$ and $450\text{ m}$ respectively. If the straight-line distance separating the two hilltops on the map is $6\text{ cm}$, what is the average gradient between them?

The Central African Copperbelt is recognized globally as one of the richest copper deposits in the world. Which two neighboring African nations span this major mineral mining belt?

In transport network analysis, topological connectivity for planar graphs can be evaluated using the Gamma index ($\gamma$), which compares the actual number of edges ($e$) to the maximum possible number of edges ($3(v - 2)$) for a given number of vertices ($v$). If a regional highway network connecting $5$ urban centers consists of $7$ direct road links, what is the Gamma index of connectivity for this network?

Which of the following landforms is formed in the upper course of a river primarily by active vertical erosion?

Match each natural resource listed on the left with its corresponding availability and replenishment characteristic on the right.

On Map X, drawn at a scale of $1 : 25,000$, a planned agricultural settlement occupies a square grid block measuring $4\text{ cm}$ by $4\text{ cm}$. Map X is reduced to produce Map Y such that the same agricultural settlement occupies a reduced area of $1\text{ cm}^2$. What is the Representative Fraction (R.F.) scale of Map Y?

In Karst geomorphology, subterranean dissolution of limestone leads to distinct underground and surface landforms. Arrange the following stages of subterranean cavern and collapse feature evolution in their correct chronological order from earliest to latest.

Match each river basin morphometric parameter with its corresponding quantitative definition and hydrological significance.

Geophysical and structural evaluations of the Earth distinguish between compositional layers (crust, mantle, core) and mechanical zones (lithosphere, asthenosphere). Which of the following statements accurately characterizes the compositional and structural relationships between the continental crust, oceanic crust, and the underlying mantle zones?

Block disintegration is a mechanical weathering process prevalent in arid desert regions. What is the correct chronological sequence of steps in the breakdown of rocks by block disintegration?

In urban geography, classic land-use models like the Burgess Concentric Zone Model often fail to accurately reflect the spatial growth of rapidly growing cities in developing regions. Which of the following structural factors best explains why informal squatter settlements in developing metropolitan areas predominantly form on the urban periphery rather than within the inner-city transitional zone?

Different agricultural crops in Nigeria are adapted to distinct ecological zones based on their moisture requirements. Arrange the following crops in sequence based on their mean annual rainfall requirements, starting from the crop with the highest rainfall requirement to the crop with the lowest rainfall requirement.

Which vegetation zone occupies the largest geographical extent in Nigeria and is characterized by tall grasses interspersed with scattered, fire-resistant broad-leaved trees such as the shea butter tree and locust bean?

A manufacturing plant requires $3\text{ tonnes}$ of localized raw material to produce $1\text{ tonne}$ of finished product. The raw material deposit and the market are separated by a distance of $100\text{ km}$. Transport costs are $\$2.00\text{ per tonne-km}$ for raw materials and $\$3.00\text{ per tonne-km}$ for finished goods. An alternative production site, Location L, offers a labor cost savings of $\$400.00$ per tonne of finished product, but increases the transportation distance of raw materials by $30\text{ km}$ and finished goods by $10\text{ km}$ compared to the least-cost transport point. Based on Alfred Weber's location theory, what is the net financial gain or loss per tonne of finished product if the plant relocates to Location L?

In many rapidly growing metropolitan areas in developing nations, severe morning traffic gridlock routinely occurs along major arterial roads leading into the city center. This phenomenon is largely caused by tidal commuting movements from distant residential suburbs to central commercial districts. Which of the following urban spatial planning issues is the primary structural driver of this daily traffic congestion?

Match each population theory or growth concept in Column A with its corresponding core demographic principle in Column B.