20 GK Question — Medium Quiz
Eight medium-difficulty general knowledge multiple-choice questions that test key concepts, applications, and common misconceptions.
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Quiz Questions & Answers
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Question 1: What best defines a constitutional democracy?
A government limited by a written or unwritten constitution that protects rights and constrains power
A direct rule by a single majority faction without legal constraints
A government without elections where experts make decisions
A system where leaders inherit power through family lines
Question 2: Why is scientific peer review important for research credibility?
It guarantees a study is free from any error forever
It replaces the need for replication studies
It subjects work to independent evaluation that checks methods and claims before publication
It allows authors to bypass ethical oversight
Question 3: Which practice most reduces the spread of airborne respiratory infections?
Improving ventilation and limiting crowded indoor exposure
Relying solely on surface disinfection
Only wearing gloves outdoors
Taking antibiotics preventively
Question 4: What is the main economic purpose of inflation targeting by central banks?
To eliminate all market fluctuations entirely
To keep inflation stable and predictable to support growth and low unemployment
To ensure constant rapid price rises every year
To fix exchange rates with no regard for domestic conditions
Question 5: In project planning, what does the ‘critical path’ represent?
A path of lowest-cost activities regardless of duration
The sequence of dependent tasks that determines the minimum project completion time
The list of optional tasks that can be removed without impact
The set of tasks done only by external contractors
Question 6: Which mindset best supports continuous personal learning?
Avoiding feedback to preserve confidence
Assuming innate talent alone determines success
A growth mindset that views abilities as improvable through effort and feedback
Only practicing what you already excel at
Question 7: What is a key benefit of using the scientific method when evaluating claims?
It provides structured steps—hypothesis, testing, and revision—to reduce bias and improve reliability
It proves ideas are true after one experiment
It replaces the need for real-world data
It discourages collaboration and peer critique
Question 8: Why is biodiversity important for ecosystem resilience?
It guarantees all species will increase in number indefinitely
Fewer species always mean stronger ecosystems
Biodiversity only matters for aesthetic reasons
Greater species variety provides functional redundancy and adaptability to change