All practice questions

Read the passage below carefully:

In the semi-arid expanse of Kenya's Laikipia Plateau, pastoral communities historically relied on seasonal rainfall to replenish communal pasturelands. However, protracted droughts over the past decade forced many young adults to migrate to urban centers in search of wage labor, leaving elderly herders unable to trek long distances to distant grazing grounds. In response, a local women's collective established grass-seed banks—fenced enclosures where indigenous, drought-resistant perennial grasses are cultivated for seed harvesting and controlled fodder production. Rather than grazing animals directly on these plots, the collective sells harvested seeds to regional rangeland restoration initiatives while storing processed hay for dry-season feeding. Within three seasons, participating households reported stabilized milk yields during peak dry months and a marked decline in reliance on emergency food relief. Furthermore, several young migrants have returned from towns to manage the commercial logistics and seed distribution to neighboring districts, establishing an unexpected enterprise.

Based on the passage, what can be inferred about the grass-seed bank project?

Read the passage excerpt from an environmental research report below:

"Faced with unprecedented drought conditions across the region, local agricultural authorities urged farmers to husband their remaining groundwater supplies rather than deplete them on water-intensive cash crops."

Which of the following options best captures the contextual meaning of the bolded word as used in the excerpt?

Read the passage below carefully:

In Jigawa State, northern Nigeria, date palm farmers historically lost up to forty percent of their harvest each season to rapid spoilage during humid transit to urban markets. Traditional woven raffia baskets provided minimal ventilation, causing dates to crush under their own weight and ferment rapidly. Two years ago, a local agricultural cooperative introduced perforated, stackable plastic crates alongside solar-powered evaporative cooling hubs at central collection points. Farmers who joined the cooperative and adopted these crate systems noted a significant reduction in transit damage. Consequently, buyers from distant cities like Lagos and Abuja began offering premium prices for intact, unfermented dates. Although the initial outlay for plastic crates was twice the cost of traditional baskets, participating farmers recovered their capital within a single harvest cycle due to higher sales margins. However, non-member farmers in adjacent villages continue to rely on raffia packaging, arguing that the upfront investment in synthetic crates remains financially prohibitive for smallholders operating without cooperative credit facilities.

Based on the passage above, which of the following can be logically inferred about date palm farming in the region?

Read the passage below carefully and match each numbered section (Section 1 to Section 4) with the statement that best synthesizes its central argument.

Section 1: Synsepalum dulcificum, a shrub native to the tropical rainforests of West Africa, produces a berry renowned for its capacity to alter gustatory perception. Rather than containing intrinsic sweetness, the fruit is rich in miraculin, a glycoprotein that binds directly to human taste receptors. Under acidic conditions, miraculin undergoes a conformational shift that actively triggers sweetness receptors while suppressing sour signals. This transient biochemical phenomenon converts intensely tart substances into sweet flavors without adding caloric content, representing a distinct natural adaptation in plant-animal chemical signaling.

Section 2: Long before modern biochemistry analyzed miraculin, West African agrarian societies integrated the berry into their culinary traditions. In regions where fermented cassava and acidic grain porridges formed the mainstay of daily sustenance, the fruit served a vital pragmatic function. By consuming the berry prior to meals, communities mitigated the unpalatable sharpness of essential fermented staples without requiring scarce or costly refined sugars, thereby sustaining dietary diversity and caloric intake during lean agricultural seasons.

Section 3: During the eighteenth and nineteenth centuries, European merchant naturalists recognized the commercial potential of the berry, attempting to export it for Western markets. However, these transatlantic ventures repeatedly foundered. Unlike conventional spices or dried botanical commodities, miraculin degrades rapidly once harvested, losing its structural stability under ambient humidity and temperature fluctuations. The inability to preserve the active protein over long maritime voyages thwarted early mercantile ambitions, relegating the fruit to botanical curiosities in European herbaria.

Section 4: Today, the berry has re-emerged at the intersection of modern pharmacology and public health nutrition. Contemporary researchers are investigating miraculin as a non-caloric modifier to mitigate insulin resistance, obesity, and taste distortion in patients undergoing medical therapies. By re-examining indigenous botanical knowledge through the lens of molecular biology, science is transforming an ancient West African dietary aid into a promising therapeutic tool for managing metabolic disorders worldwide.

Match each section on the left with its corresponding central argument on the right.

Read the passage below carefully:

In the cool, elevated terrain of the Jos Plateau, architectural collective EarthForm has championed a modern revival of compressed earth building techniques to combat rising housing deficits and thermal discomfort caused by widespread corrugated iron roofing. While conventional concrete structures require energy-intensive cement transport and expensive climate control, rammed-earth edifices draw raw materials directly from local subsoil, dramatically reducing embodied carbon emissions. Crucially, EarthForm introduced non-toxic bio-polymers derived from cassava starch to stabilize the earth mixtures against high seasonal rainfall, resolving the erosion vulnerabilities that historically limited earthen architecture in moist belts. Although initial material testing required specialized laboratory equipment from regional universities, the actual compaction process utilizes low-skilled neighborhood labor trained through short vocational workshops. Urban planners initially voiced skepticism regarding high-density structural integrity; however, completed pilot multi-story residential blocks have sustained zero structural degradation through three severe rainy seasons, prompting surrounding municipal councils to revise building bylaws in favor of sustainable earthen construction.

Based on the passage, evaluate the following statement as True or False:

The primary barrier to initial municipal acceptance of EarthForm's earthen construction technique was skepticism concerning its load-bearing capability in multi-story urban applications.

Read the passage below carefully and evaluate the statement that follows:

In the SAVA region of northeastern Madagascar, vanilla smallholders have traditionally relied on natural forest canopies to shelter sensitive vanilla vines from intense tropical sun. However, erratic rainfall patterns and severe cyclones in recent years have frequently defoliated host trees, leaving cash crops exposed to heat stress. In response, local agricultural cooperatives introduced shade-net structures made of breathable synthetic mesh. These nets regulate light intensity and conserve soil moisture during unseasonal dry spells. While erecting these structures requires an initial capital outlay that many smallholders cannot easily afford without micro-loans, farmers who adopted the nets recorded significantly lower crop losses during the last drought cycle. Additionally, the controlled microclimate reduced the incidence of fungal rot, a major cause of crop failure. Consequently, microfinance institutions in the region have begun tying agricultural loans directly to the installation of protective shade technology.

Statement: Microfinance institutions prioritize funding farmers who use shade-net structures because these nets mitigate agricultural risk and reduce crop failure.

Read the passage below carefully:

To eradicate persistent bottlenecks and fraudulent property allocations, municipal authorities initiated a digital land registry system that converts historical paper deeds into a centralized, tamper-resistant database. Previously, land titles were stored in fragile paper archives vulnerable to physical degradation and corrupt duplication, resulting in protracted legal disputes for property buyers. Under the updated digital portal, applicants submit biometric credentials alongside geo-referenced survey plans, enabling immediate automated cross-verification against master urban development plans. Consequently, title processing timelines dropped from eighteen months to less than ten days, while property litigation in regional courts decreased significantly. Planning agencies now intend to integrate smart contract protocols to automate property transfer tax settlements immediately upon title approval.

Based on the passage above, arrange the following synthesized summary points in their correct logical sequence to reflect the passage's structural progression from historical challenge to future outlook.

In an effort to mitigate the financial shock of the economic downturn, the executive board instructed department managers to husband all capital reserves while deferring non-essential infrastructure projects until the third quarter.

What is the contextual meaning of the bolded word husband as used in the passage above?

Read the passage below carefully:

The West African Examinations Council (WAEC) was established in 1952 following the adoption of the Jeffery Report of 1950. Dr. G.B. Jeffery, Director of the Institute of Education at the University of London, visited West Africa in 1949 to study the examination requirements of the region. His recommendations led to the creation of a unified examining board for four British Commonwealth territories: Nigeria, the Gold Coast (now Ghana), Sierra Leone, and the Gambia. Liberia subsequently joined the council in 1974. Headquartered in Accra, Ghana, WAEC was mandated to conduct examinations in the public interest and award certificates comparable to those of international examining bodies.

Based on the passage above, evaluate whether the following statement is True or False:
Liberia was one of the founding member territories that established the West African Examinations Council in 1952.

Read the passage below carefully and answer the question that follows:

Commercial coal mining in Nigeria commenced in 1916 following the accidental discovery of coal deposits along the Udi escarpment in 1909 by British geologist Albert Ernest Kitson. To facilitate the evacuation of coal from the Enugu mines to coastal ports for export, the colonial administration constructed the Eastern Line of the Nigerian Railway, linking Enugu directly to Port Harcourt by 1916. Coal production was initially managed directly by the Railway Department until 1950, when the Nigerian Coal Corporation (NCC) was created as a statutory public enterprise to oversee mining operations. Production peaked in 1958 at over 900,000 metric tonnes, but sharply declined after 1959 due to the discovery of crude oil in Oloibiri and the subsequent conversion of railway locomotives from coal to diesel fuel.

According to the passage, what specific administrative change occurred regarding Nigerian coal mining in 1950?

Read the passage below carefully:

Across the coastal communities of Pemba Island, Tanzania, local fisheries management has undergone a profound shift through the establishment of community-led marine conservation areas. For decades, destructive fishing practices and overexploitation severely depleted coral reef ecosystems, threatening both biodiversity and the livelihoods of artisanal fishers. In response, local councils collaborated with marine biologists to introduce periodic reef closures and restrict non-selective fishing gear. By granting coastal villages legal authority to monitor and enforce fishing boundaries within their traditional waters, these community-managed reserves have allowed fish stocks to recover significantly. Consequently, neighboring unmanaged fishing zones have experienced a spillover effect, resulting in increased fish yields for local catches. This decentralized governance model demonstrates that empowering resource-dependent communities yields far more sustainable conservation outcomes than top-down state enforcement.

Which of the following best expresses the main idea of the passage?

Match each short prose excerpt on the left with the phrase on the right that best describes the writer's tone or attitude.

Read the four summarized statements regarding agricultural drone surveillance in sub-Saharan Africa. In what order should these points be arranged to form a coherent, logically structured summary from the core problem to the final long-term outcome?

Read the passage below carefully:

In the drylands of northern Ghana, indigenous shea butter production by women's collectives has historically served as a critical economic buffer during the agricultural off-season. While global demand from cosmetics manufacturers has surged recently, offering expanded export revenue, local producers face severe supply chain bottlenecks and inequitable pricing from intermediary buyers. To secure long-term prosperity, these rural cooperatives are establishing direct trade agreements and adopting improved thermal processing technologies to elevate quality control.

Match each excerpt from the passage on the left with its correct structural role on the right:

Read the passage below carefully and answer the question that follows:

The West African Rice Development Association (WARDA), currently known as the Africa Rice Center, was constituted in 1971 by eleven West African nations in Monrovia, Liberia, with the objective of boosting regional rice yields. Shortly after its founding, WARDA established its inaugural research station in St. Louis, Senegal, focusing exclusively on irrigated rice ecosystems along the Senegal River basin. To achieve broader ecological representation across the subregion, the association transferred its main headquarters to Bouaké, Côte d'Ivoire, in 1986. However, civil unrest in 2002 prompted an emergency shift of administrative operations to Cotonou, Benin. Amid these relocation challenges, WARDA breeders achieved a landmark success in 1994 by developing NERICA (New Rice for Africa), a hybrid strain synthesizing the high productivity of Asian varieties with the stress resistance of indigenous African cultivars.

According to the passage, WARDA transferred its administrative operations to Cotonou, Benin, as a direct result of which event?

Read the passage below carefully and evaluate the statement that follows:

In December 1964, construction of the Onitsha River Niger Bridge commenced under the supervision of the French firm Dumez. Spanning a length of 1,406 metres, the project was completed in December 1965 at an estimated cost of five million pounds. The bridge was officially commissioned for public use in January 1966 by the Prime Minister, Sir Abubakar Tafawa Balewa, establishing the first direct vehicular connection between Western and Eastern Nigeria and rendering the existing river ferry services redundant.

Statement: The Onitsha River Niger Bridge was officially commissioned for public use by Sir Abubakar Tafawa Balewa in December 1965.

During the crisis, the minister's BELLICOSE statements only served to worsen diplomatic relations with neighboring states. Which of the following options is most nearly opposite in meaning to the highlighted word BELLICOSE as used in the sentence?

Read the passage below carefully:

The West African Institute for Trypanosomiasis Research (WAITR) was formally inaugurated in 1947 following a joint initiative by the colonial administrations of Nigeria, the Gold Coast, Sierra Leone, and the Gambia. Established primarily to combat tsetse-fly-borne sleeping sickness in humans and nagana in livestock, WAITR established its chief administrative headquarters and human health laboratory in Kaduna, while placing its veterinary research division in Vom, Plateau State. Although funded collectively by all four participating West African territories until independence, Nigeria contributed sixty percent of the initial capital and annual operational expenditure. In 1964, following the post-independence dissolution of inter-territorial research bodies, WAITR was re-established as a purely Nigerian national entity known as the Nigerian Institute for Trypanosomiasis Research (NITR), retaining its operational bases in Kaduna and Vom.

Based on the passage above, evaluate whether the following statement is True or False:
Prior to 1964, the veterinary research division of WAITR was located in Kaduna alongside its administrative headquarters.

Read the passage below carefully:

Paragraph 1
Transboundary water management along the River Niger basin has increasingly shifted from informal bilateral treaties to structured basin-wide governance frameworks. While early agreements prioritized localized agricultural diversion, recent climatic volatility has forced nations to establish centralized protocols for flow regulation. This structural shift ensures that upstream hydroelectric development does not disproportionately undermine downstream riparian livelihoods, thereby transforming water from a vector of geopolitical friction into an instrument of collective security.

Paragraph 2
However, institutional enforcement of these water-sharing protocols faces severe financial and logistical bottlenecks. National water authorities often prioritize immediate domestic energy demands over regional compliance, leading to sporadic data-sharing and delayed reservoir drawdowns during droughts. Without binding arbitration mechanisms and joint monitoring infrastructure, regional treaties risk remaining aspirational documents rather than operational management tools.

Paragraph 3
To resolve these compliance deficits, environmental economists advocate for eco-compensation mechanisms where downstream beneficiaries financially support upstream watershed conservation. By monetizing ecosystem services, such as sediment control and wetland preservation, upstream states gain direct economic incentives to maintain baseline ecological flows. Consequently, sustainable river basin management relies less on punitive legal sanctions and more on aligned economic self-interest.

Match each paragraph from the passage with its corresponding central argument summary.

Read the passage below carefully and answer the question that follows:

The Nigerian Film Corporation (NFC) was established by Decree No. 61 of 1979 to foster the growth of a viable indigenous film industry in Nigeria. Although enacted in 1979, the corporation did not begin full operational activities until 1982, when its headquarters was officially set up in Jos, Plateau State. Jos was chosen primarily because of its temperate climate and unique topography, which were considered ideal for movie production and outdoor shooting.

According to the passage, why was Jos selected as the headquarters location for the Nigerian Film Corporation?