Odd Sentence Out — Practice

Question 1

Identify the odd sentence out:
A. Worker bees, all female, perform nearly every task in the hive except reproduction.
B. Their duties shift with age: younger workers clean and nurse, older workers forage.
C. There are over 20,000 known species of bees worldwide, most of which are solitary rather than social.
D. This age-based division of labor allows the hive to allocate effort efficiently as conditions change.

Accepted Answer

A, B and D form a coherent chain about worker bees' age-based task-shifting within a hive. Sentence C is true and about bees generally, but introduces global bee-species diversity — a different, broader topic that does not advance the specific argument about age-based division of labor.

Odd sentence: C.

Question 2

Identify the odd sentence out:
A. The company recalled 50,000 units after discovering a battery defect.
B. The defect caused overheating in rare cases, though no injuries were reported.
C. Consumer electronics companies issue recalls more frequently than manufacturers in most other industries.
D. Affected customers were offered a full refund or a free replacement unit.

Accepted Answer

A, B and D form a specific narrative about one company's recall — the defect, its effect, and the resolution offered. Sentence C makes a general, industry-wide claim about recall frequency, operating at a different scope than the specific single-company narrative.

Odd sentence: C.

Question 3

Identify the odd sentence out:
A. Roman roads were engineered with layered foundations designed to drain water away from the surface.
B. This design allowed the roads to remain usable in wet conditions that would make dirt paths impassable.
C. Some Roman roads are still partially intact and walkable today, nearly two thousand years later.
D. Julius Caesar expanded Rome's territory significantly through a series of military campaigns.

Accepted Answer

A, B and C form a coherent chain about Roman road engineering and its lasting durability. Sentence D is a true fact about Roman history but is about military conquest, not road engineering — it fails to advance the specific thread about the roads' design and durability.

Odd sentence: D.

Question 4

Identify the odd sentence out:
A. First, the flour, water, yeast and salt are combined and kneaded into a smooth dough.
B. The dough is then left to rise for one to two hours in a warm environment.
C. Bread has been a staple food across many cultures for thousands of years.
D. After rising, the dough is shaped and baked at high heat until golden brown.

Accepted Answer

A, B and D form a strict chronological sequence (first... then... after...) describing the bread-making process. Sentence C is true and topically related to bread, but breaks the process sequence by introducing an unrelated historical claim rather than continuing the step-by-step process.

Odd sentence: C.

Question 5

Identify the odd sentence out:
A. Battery storage allows solar power generated during the day to be used after sunset.
B. Without storage, solar power that is not used immediately is simply wasted.
C. Grid-scale battery costs have fallen by more than 80% over the past decade.
D. This makes storage central to solar power's usefulness as a reliable, round-the-clock energy source.

Accepted Answer

A, B and D form a coherent argument about WHY storage matters functionally for solar power's usefulness. Sentence C is true and about batteries, but shifts to a cost-trend claim that does not advance the specific functional argument the other sentences build.

Odd sentence: C.

Question 6

Identify the odd sentence out:
A. A recent study found that a specific gut bacterium was more common in marathon runners than in non-runners.
B. Researchers introduced this bacterium into mice, who then showed improved endurance on a treadmill test.
C. Gut bacteria are known to influence numerous aspects of human health beyond digestion.
D. The findings suggest this particular bacterium may causally contribute to endurance performance, not merely correlate with it.

Accepted Answer

A, B and D form a specific causal argument about ONE bacterium's link to endurance, built through correlation (A), experimental evidence (B), and a causal conclusion (D). Sentence C is a true, general statement about gut bacteria's health effects, but does not advance the specific causal claim being built about this particular bacterium and endurance.

Odd sentence: C.

Question 7

Identify the odd sentence out:
A. Deforestation in the region accelerated sharply after a new highway connected it to major markets.
B. The highway reduced transport costs for timber, making previously unprofitable logging operations viable.
C. Several other countries have implemented reforestation programs with measurable success.
D. Local logging revenue tripled within five years of the highway's completion.

Accepted Answer

A, B and D form a specific causal chain: the highway (A) reduced costs (B), which drove a measurable revenue increase (D) — all about this one region's deforestation. Sentence C is true and topically related to forests, but discusses OTHER countries' reforestation successes, breaking the specific causal narrative about this region's highway-driven deforestation.

Odd sentence: C.

Question 8

Identify the odd sentence out:
A. The spacecraft first entered orbit around the target planet after a seven-month journey.
B. Scientists then spent several weeks calibrating its instruments before beginning observations.
C. Space exploration has captured public imagination since the earliest satellite launches.
D. Once calibrated, the probe began transmitting the first detailed images of the planet's surface.

Accepted Answer

A, B and D form a strict chronological mission sequence (entered orbit → calibrated → began transmitting). Sentence C is true and about space exploration generally, but breaks the specific mission's chronological sequence by introducing an unrelated general historical claim.

Odd sentence: C.

Practice — Odd Sentence Out

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