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TEAS 7 Reading Practice Test (2026/2027 Edition: Questions
1–200)
Passage 1
The Shift Toward Vertical Farming
As global urbanization continues to accelerate, traditional agricultural
systems face unprecedented constraints from land degradation, erratic
weather patterns, and the massive carbon footprint associated with long-
distance supply chains. In response, architectural and agricultural
innovators are turning to vertical farming—the practice of cultivating
crops in stacked layers within controlled indoor environments. By
utilizing hydroponic or aeroponic delivery systems, these facilities grow
produce with up to 95% less water than conventional soil-based farming.
Furthermore, because vertical farms are completely isolated from
external weather elements, they eliminate the need for chemical
pesticides and operate year-round, unbothered by droughts or frosts.
Critics, however, point to the exorbitant initial capital investment
required to build these facilities and the staggering amount of electricity
consumed by the artificial LED lighting systems. Skeptics argue that
until renewable energy infrastructures can fully power these facilities,
the carbon footprint of a vertical farm might simply shift environmental
strain from land and water to the electrical grid. Nevertheless, local food
production within urban boundaries drastically reduces the transit time
from harvest to table, presenting a compelling case for the future of
urban food security.
1. Which of the following statements best summarizes the main idea
of the passage?
A) Traditional farming is no longer viable due to global
urbanization and land degradation.
, B) Vertical farming uses hydroponic systems to grow crops inside
urban buildings.
C) Vertical farming offers an innovative, resource-
efficient solution for urban food security, though it faces
economic and energy-consumption challenges.
D) The high cost of LED lighting systems makes vertical farming
an unrealistic alternative to conventional agriculture.
Correct Answer: C
Rationale: A summary must capture both the main advantages
highlighted in the text (water efficiency, urban security, isolation
from weather) and the counterarguments mentioned (high
capital costs, energy strain on the electrical grid). Option C
balanced both elements perfectly.
2. Based on the text, what is a primary concern raised by critics
regarding the sustainability of vertical farming?
A) The crops produced are less nutritious because they are grown
without natural soil.
B) The heavy reliance on artificial LED lighting places a
massive demand on the electrical grid.
C) Urban real estate is too scarce to support large-scale agricultural
operations.
D) Hydroponic systems use chemical pesticides that harm urban
water systems.
Correct Answer: B
Rationale: The text explicitly states that critics point to the
"staggering amount of electricity consumed by the artificial LED
lighting systems" and worry that it shifts environmental strain
directly to the electrical grid.
3. Which of the following can be inferred from the passage regarding
the relationship between vertical farming and weather?
A) Vertical farms are built only in climates that experience extreme
frost and drought.
B) Weather patterns determine which crops can be grown inside
vertical facilities.
C) Vertical farming minimizes agricultural production
risks traditionally caused by climate volatility.
D) Outdoor weather patterns have a minor, indirect effect on
hydroponic delivery loops.
Correct Answer: C
, Rationale: The text states that because vertical farms are
"completely isolated from external weather elements," they
operate "unbothered by droughts or frosts." This allows the
inference that it minimizes the risks of traditional agriculture
caused by volatile weather.
4. What is the author's primary purpose in writing this passage?
A) To persuade urban cities to ban conventional soil-based
agricultural imports.
B) To provide a detailed manual on how to assemble an aeroponic
delivery system.
C) To present a balanced overview of the advantages and
current drawbacks of vertical farming.
D) To argue that renewable energy is the sole factor holding back
global agricultural production.
Correct Answer: C
Rationale: The author adopts an informative, neutral tone,
detailing the clear benefits (water conservation, local urban food,
no pesticides) while objectively outlining the challenges (capital
costs, electricity use). This represents a balanced overview.
Passage 2 (Questions 5–8)
The Genesis of Penicillin
In late September 1928, Scottish bacteriologist Alexander Fleming
returned to his cluttered laboratory at St. Mary's Hospital in London
after a summer vacation. Before leaving, he had carelessly left a series of
petri dishes containing Staphylococcus aureus bacteria sitting on a
benchtop instead of placing them in an incubator. Upon inspecting the
dishes, Fleming observed a peculiar anomaly: one culture plate had
become contaminated with a blue-green mold, later identified as
Penicillium notatum. More significantly, the colonies of bacteria
immediately surrounding the mold had completely dissolved, creating a
clear, fluid ring where no bacteria could survive. Fleming correctly
deduced that the mold was secreting an antibacterial substance that was
actively destroying the pathogenic microbes. Though he published his
initial findings in 1929, Fleming lacked the biochemical expertise and
funding required to isolate, purify, and mass-produce the active agent. It
was not until more than a decade later that researchers Howard Florey
and Ernst Chain at Oxford University successfully stabilized the
, compound, transforming penicillin into the world's first life-saving
antibiotic block just in time for widespread military use during World
War II.
5. Which of the following sequences accurately reflects the
chronological timeline of events described in the passage?
A) Fleming purifies penicillin → World War II begins →
Staphylococcus cultures are left unincubated.
B) Florey and Chain isolate the compound → Fleming goes on
vacation → The 1929 paper is published.
C) Fleming leaves petri dishes unincubated → Fleming
publishes findings → Florey and Chain stabilize the
compound.
D) World War II medical demands arise → Fleming returns from
vacation → Penicillium notatum is discovered.
Correct Answer: C
Rationale: According to the passage, Fleming left his plates
unincubated in 1928, published his initial findings in 1929, and
over a decade later (1940s), Florey and Chain stabilized the
compound for use in World War II.
6. What does the word "anomaly" mean as it is used in the passage?
A) A dangerous chemical reaction
B) A deviation from what is common or expected
C) A planned clinical experiment
D) A tool used to clean laboratory benches
Correct Answer: B
Rationale: Context clues indicate Fleming noticed a "peculiar
anomaly" when looking at dishes left out by accident, observing
an unexpected growth of mold that dissolved bacteria. This
indicates a deviation from normal or expected conditions.
7. Why was Fleming unable to immediately turn his discovery into a
widely available medicine?
A) He misidentified the blue-green mold as a strain of dangerous
bacteria.
B) The British government prohibited him from publishing his
findings due to security.
C) He did not possess the biochemical expertise or
financial resources to purify and mass-produce the agent.
D) His culture plates were entirely destroyed by the hospital staff
before he could take notes.