CSS - PMS - Precis & Composition MCQs

Read the passage and answer the question. A recurring challenge emerged in a medical survey: people who exercised more also reported better health, but the study was observational. The people responsible chose a practical intervention—researchers reported the association while warning that income, age, and existing health could influence both exercise and outcomes. This was followed by an observable improvement: the report avoided claiming that the survey alone proved exercise caused the difference. Still, observational evidence could still suggest useful questions for later research. The contrast between the improvement and the remaining constraint suggests that correlation can be informative without being sufficient evidence of causation. Which inference is best supported by the passage?

Read the passage and answer the question. A recurring challenge emerged in a medical survey: people who exercised more also reported better health, but the study was observational. The people responsible chose a practical intervention—researchers reported the association while warning that income, age, and existing health could influence both exercise and outcomes. This was followed by an observable improvement: the report avoided claiming that the survey alone proved exercise caused the difference. Still, observational evidence could still suggest useful questions for later research. The contrast between the improvement and the remaining constraint suggests that correlation can be informative without being sufficient evidence of causation. What action was taken in response to the problem?

Read the passage and answer the question. A recurring challenge emerged in a medical survey: people who exercised more also reported better health, but the study was observational. The people responsible chose a practical intervention—researchers reported the association while warning that income, age, and existing health could influence both exercise and outcomes. This was followed by an observable improvement: the report avoided claiming that the survey alone proved exercise caused the difference. Still, observational evidence could still suggest useful questions for later research. The contrast between the improvement and the remaining constraint suggests that correlation can be informative without being sufficient evidence of causation. What is the main idea of the passage?

Read the passage and answer the question. The experience of a crop experiment shows how practical choices can affect outcomes. Initially, one fertilizer treatment appeared to increase yield in a single field. To respond, the team repeated the trial across several plots and seasons before recommending the treatment. The result was that the average benefit became smaller but more reliable. Observers also noted an important constraint: results still varied with rainfall and soil type. For that reason, the lesson is not that one measure solves everything, but that replication helps distinguish a robust effect from a result that may depend on unusual conditions. Which is the best title for the passage?

Read the passage and answer the question. The experience of a crop experiment shows how practical choices can affect outcomes. Initially, one fertilizer treatment appeared to increase yield in a single field. To respond, the team repeated the trial across several plots and seasons before recommending the treatment. The result was that the average benefit became smaller but more reliable. Observers also noted an important constraint: results still varied with rainfall and soil type. For that reason, the lesson is not that one measure solves everything, but that replication helps distinguish a robust effect from a result that may depend on unusual conditions. What does the word “replication” most nearly mean as used in the passage?

Read the passage and answer the question. The experience of a crop experiment shows how practical choices can affect outcomes. Initially, one fertilizer treatment appeared to increase yield in a single field. To respond, the team repeated the trial across several plots and seasons before recommending the treatment. The result was that the average benefit became smaller but more reliable. Observers also noted an important constraint: results still varied with rainfall and soil type. For that reason, the lesson is not that one measure solves everything, but that replication helps distinguish a robust effect from a result that may depend on unusual conditions. Which inference is best supported by the passage?

Read the passage and answer the question. The experience of a crop experiment shows how practical choices can affect outcomes. Initially, one fertilizer treatment appeared to increase yield in a single field. To respond, the team repeated the trial across several plots and seasons before recommending the treatment. The result was that the average benefit became smaller but more reliable. Observers also noted an important constraint: results still varied with rainfall and soil type. For that reason, the lesson is not that one measure solves everything, but that replication helps distinguish a robust effect from a result that may depend on unusual conditions. What action was taken in response to the problem?

Read the passage and answer the question. The experience of a crop experiment shows how practical choices can affect outcomes. Initially, one fertilizer treatment appeared to increase yield in a single field. To respond, the team repeated the trial across several plots and seasons before recommending the treatment. The result was that the average benefit became smaller but more reliable. Observers also noted an important constraint: results still varied with rainfall and soil type. For that reason, the lesson is not that one measure solves everything, but that replication helps distinguish a robust effect from a result that may depend on unusual conditions. What is the main idea of the passage?

Read the passage and answer the question. A field study of bird numbers faced a practical problem: volunteers counted more birds on cool mornings than on hot afternoons. A targeted response followed. Specifically, researchers standardized future counts to the same early-morning period. After the change, variation caused by time of day was reduced, making sites easier to compare. However, weather and observer skill still affected detection. This limitation did not erase the result; instead, it showed why consistent measurement conditions improve comparisons even when all sources of variation cannot be removed. Which is the best title for the passage?

Read the passage and answer the question. A field study of bird numbers faced a practical problem: volunteers counted more birds on cool mornings than on hot afternoons. A targeted response followed. Specifically, researchers standardized future counts to the same early-morning period. After the change, variation caused by time of day was reduced, making sites easier to compare. However, weather and observer skill still affected detection. This limitation did not erase the result; instead, it showed why consistent measurement conditions improve comparisons even when all sources of variation cannot be removed. What does the word “standardized” most nearly mean as used in the passage?

Read the passage and answer the question. A field study of bird numbers faced a practical problem: volunteers counted more birds on cool mornings than on hot afternoons. A targeted response followed. Specifically, researchers standardized future counts to the same early-morning period. After the change, variation caused by time of day was reduced, making sites easier to compare. However, weather and observer skill still affected detection. This limitation did not erase the result; instead, it showed why consistent measurement conditions improve comparisons even when all sources of variation cannot be removed. Which inference is best supported by the passage?

Read the passage and answer the question. A field study of bird numbers faced a practical problem: volunteers counted more birds on cool mornings than on hot afternoons. A targeted response followed. Specifically, researchers standardized future counts to the same early-morning period. After the change, variation caused by time of day was reduced, making sites easier to compare. However, weather and observer skill still affected detection. This limitation did not erase the result; instead, it showed why consistent measurement conditions improve comparisons even when all sources of variation cannot be removed. What action was taken in response to the problem?

Read the passage and answer the question. A field study of bird numbers faced a practical problem: volunteers counted more birds on cool mornings than on hot afternoons. A targeted response followed. Specifically, researchers standardized future counts to the same early-morning period. After the change, variation caused by time of day was reduced, making sites easier to compare. However, weather and observer skill still affected detection. This limitation did not erase the result; instead, it showed why consistent measurement conditions improve comparisons even when all sources of variation cannot be removed. What is the main idea of the passage?

Read the passage and answer the question. In a laboratory testing water quality, researchers obtained unexpectedly high readings from one instrument. Rather than treating the difficulty as unavoidable, they used a reference sample to verify the instrument, cleaned the sensor, and repeated the measurement before changing their conclusion. The change produced a noticeable result: the repeated readings returned to the expected range. Yet the experience was not a perfect solution; the team could not determine exactly when the sensor became contaminated. The case therefore illustrates that unexpected data should trigger verification before they trigger a new theory. Which is the best title for the passage?

Read the passage and answer the question. In a laboratory testing water quality, researchers obtained unexpectedly high readings from one instrument. Rather than treating the difficulty as unavoidable, they used a reference sample to verify the instrument, cleaned the sensor, and repeated the measurement before changing their conclusion. The change produced a noticeable result: the repeated readings returned to the expected range. Yet the experience was not a perfect solution; the team could not determine exactly when the sensor became contaminated. The case therefore illustrates that unexpected data should trigger verification before they trigger a new theory. What does the word “verify” most nearly mean as used in the passage?

Read the passage and answer the question. In a laboratory testing water quality, researchers obtained unexpectedly high readings from one instrument. Rather than treating the difficulty as unavoidable, they used a reference sample to verify the instrument, cleaned the sensor, and repeated the measurement before changing their conclusion. The change produced a noticeable result: the repeated readings returned to the expected range. Yet the experience was not a perfect solution; the team could not determine exactly when the sensor became contaminated. The case therefore illustrates that unexpected data should trigger verification before they trigger a new theory. Which inference is best supported by the passage?

Read the passage and answer the question. In a laboratory testing water quality, researchers obtained unexpectedly high readings from one instrument. Rather than treating the difficulty as unavoidable, they used a reference sample to verify the instrument, cleaned the sensor, and repeated the measurement before changing their conclusion. The change produced a noticeable result: the repeated readings returned to the expected range. Yet the experience was not a perfect solution; the team could not determine exactly when the sensor became contaminated. The case therefore illustrates that unexpected data should trigger verification before they trigger a new theory. What action was taken in response to the problem?

Read the passage and answer the question. In a laboratory testing water quality, researchers obtained unexpectedly high readings from one instrument. Rather than treating the difficulty as unavoidable, they used a reference sample to verify the instrument, cleaned the sensor, and repeated the measurement before changing their conclusion. The change produced a noticeable result: the repeated readings returned to the expected range. Yet the experience was not a perfect solution; the team could not determine exactly when the sensor became contaminated. The case therefore illustrates that unexpected data should trigger verification before they trigger a new theory. What is the main idea of the passage?

Read the passage and answer the question. At a low-income settlement, the first sign of trouble was that residents built informal paths because the official footpath took a long detour around a vacant plot. Instead of relying only on warnings or assumptions, the city observed the most-used route and later formalized it with lighting and a paved walkway. Afterward, walking distance fell and nighttime use became safer. The outcome was encouraging but qualified, because formalization required agreement with the landowner. Taken together, these details support a broader conclusion: people's repeated movement can reveal where infrastructure is actually needed. Which is the best title for the passage?

Read the passage and answer the question. At a low-income settlement, the first sign of trouble was that residents built informal paths because the official footpath took a long detour around a vacant plot. Instead of relying only on warnings or assumptions, the city observed the most-used route and later formalized it with lighting and a paved walkway. Afterward, walking distance fell and nighttime use became safer. The outcome was encouraging but qualified, because formalization required agreement with the landowner. Taken together, these details support a broader conclusion: people's repeated movement can reveal where infrastructure is actually needed. What does the word “informal” most nearly mean as used in the passage?