Question 1

Heavy rainfall in the mountains caused flooding in the nearby villages. Which of the following is a direct EFFECT of this flooding?

A) The mountains received more rainfall
B) Villagers had to evacuate their homes and move to higher ground
C) The rainfall stopped after three days
D) The government decided to build dams in the future

Accepted Answer

The question tests the ability to identify a direct cause-and-effect relationship. Heavy rainfall (cause) → flooding (intermediate effect) → evacuation of villagers (direct effect of flooding). Option B is the only direct, immediate consequence of the flooding itself.

Question 2

A pharmaceutical company discovered that patients who took Vitamin D supplements showed 40% fewer respiratory infections over a year compared to those who didn't. The company's marketing team claimed: 'Vitamin D supplementation prevents respiratory infections.' Which of the following best explains why this claim may be misleading?

Accepted Answer

This question tests understanding of causation versus correlation, and the role of confounding variables in health studies.

Question 3

A city implemented stricter traffic rules and increased fines for violations. Within three months, traffic accidents decreased by 15%. The city council concluded that stricter rules were the primary cause of the accident reduction. Which statement best identifies a flaw in this reasoning?

Accepted Answer

This question tests recognition of incomplete causal analysis and the need to consider alternative explanations for observed effects.

Question 4

A school introduced a mandatory homework policy requiring all students to complete 2 hours of homework daily. Test scores improved by 12% in the following semester. The principal attributed this improvement solely to the homework policy. What is the primary weakness in this causal reasoning?

Accepted Answer

This question tests recognition of the post-hoc fallacy and the need to establish temporal precedence and rule out alternative explanations in causal claims.

Question 5

A company noticed that employees who attended a new professional development program showed 25% higher productivity in the following quarter. However, the company also noted that only the most motivated employees voluntarily enrolled in the program. Which of the following best explains the flaw in attributing the productivity increase solely to the program?

Accepted Answer

This question tests understanding of selection bias as a confounding variable and the inability to establish causation from self-selected groups.

Question 6

A factory's production output decreased by 20% after the manager implemented a new shift system. However, worker satisfaction surveys showed a 35% increase in morale. Which of the following is a valid cause-and-effect relationship based on this information?

Accepted Answer

This question tests whether students can distinguish between correlation and causation, and identify what can and cannot be logically concluded from given facts.

Question 7

A city implemented stricter traffic laws, which resulted in a 40% reduction in traffic violations. However, this also caused a 15% increase in vehicle registration fees to fund enforcement. Subsequently, vehicle sales dropped by 25%. Which of the following correctly identifies the primary cause of the vehicle sales drop?

Accepted Answer

This question tests the ability to distinguish between direct and indirect causes, and to avoid confusing correlation with causation. While traffic laws were implemented first, they did not directly cause the sales drop. The fee increase was the direct cause of reduced sales, even though it was a secondary effect of the law implementation.

Question 8

A factory's production decreased by 20% after installing new machinery. However, after retraining workers for 3 months, production increased by 30% from the decreased level. If the original production was 1000 units per day, what is the current production level? Additionally, which of the following is a valid cause-effect relationship in this scenario?

Accepted Answer

This question tests understanding of sequential cause-effect relationships and percentage calculations. The student must identify that the 30% increase applies to the already-reduced production level (800 units), not the original level. The correct answer recognizes that worker retraining was the CAUSE of the subsequent production increase, not the machinery installation.

Question 9

A manufacturing plant's production output decreased by 40% after the introduction of new machinery. Investigation revealed that the new machinery required extensive recalibration, and workers needed 3 weeks of training before operating it efficiently. However, the plant manager concluded that the new machinery was fundamentally defective and ordered its removal. Which of the following best identifies the flaw in the manager's reasoning about cause and effect?

Accepted Answer

The manager incorrectly identified the cause of the production decrease. The actual cause was the transition period (recalibration + training time), not a defect in the machinery itself. The manager confused a temporary effect of implementation with a permanent effect of the equipment's quality.

Question 10

A school introduced a mandatory homework policy, which increased average test scores by 18%. However, student stress levels also increased by 22%, leading to a 12% rise in absenteeism. An education board member states: 'The homework policy improved academic performance but harmed student well-being.' Which of the following best describes the logical structure of this cause-effect argument?

Accepted Answer

This question tests understanding of how a single cause can produce multiple, sometimes contradictory effects, and whether a cause-effect claim can be simultaneously true for different outcomes. The member's statement correctly identifies two separate cause-effect relationships stemming from one cause, but students may struggle with whether this is logically valid or contradictory.

Question 11

A pharmaceutical company discontinued a popular antibiotic due to low profitability. As a result, patients switched to alternative antibiotics, leading to increased antibiotic resistance in the region. Six months later, hospital admissions for resistant infections increased by 35%. A health official claims: 'The company's decision to discontinue the antibiotic caused the rise in resistant infections.' Which statement best evaluates this claim?

Accepted Answer

This question tests critical evaluation of cause-effect claims by examining whether the stated cause is sufficient, necessary, or both. While the company's decision was part of the causal chain, it was not the sole or sufficient cause—patients' switching to alternatives was the immediate cause, and overuse of those alternatives was the mechanism. The claim oversimplifies a complex causal chain.

Question 12

A government banned single-use plastics, which caused a 60% reduction in plastic waste. However, the ban also led manufacturers to switch to paper alternatives, which increased deforestation by 8% in the region. An environmental analyst claims: 'The plastic ban was counterproductive because it increased deforestation.' Which of the following best critiques this claim?

Accepted Answer

This question tests the ability to evaluate whether a cause-effect relationship supports a broader evaluative claim, and to recognize when a claim conflates unintended consequences with the primary intended effect. The analyst's claim ignores the primary effect (reduced plastic waste) and focuses only on an unintended secondary effect (increased deforestation).

Question 13

Heavy rainfall in the mountains caused flooding in the valley below. Which of the following is a direct effect of this flooding?

Accepted Answer

This question tests understanding of direct cause-and-effect relationships. Heavy rainfall → flooding is the cause. The effect must be a direct consequence of flooding.

Question 14

Because the factory released untreated waste into the river, fish populations declined significantly. What is the most direct cause of the fish population decline?

Accepted Answer

This question tests identification of the immediate cause within a cause-and-effect chain. Students must identify what directly caused the fish decline.

Question 15

A student studied for 8 hours before the exam. As a result, the student scored 95%. Which statement correctly describes the cause-and-effect relationship?

Accepted Answer

This question tests understanding of how to properly express cause-and-effect relationships with correct logical direction.

Question 16

Because the company invested in new technology, production increased by 40%. Which of the following is NOT a logical consequence of this cause-and-effect relationship?

Accepted Answer

This question tests understanding of what logically follows from a stated cause-and-effect relationship, and what does not.

Question 17

A city experienced a severe drought, which caused water shortages. As a result, the government implemented water rationing. What is the correct sequence of cause and effect in this scenario?

Accepted Answer

This question tests ability to identify and order multiple cause-and-effect relationships in a chain of events.

RRB NTPC Cause & Effect

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