1. Overview: Why MCQ-Based Software Testing Interviews Matter
MCQ-based rounds are widely used in software testing interviews to quickly evaluate a candidate’s conceptual clarity, practical understanding, and decision-making ability. These rounds are common in:
- Service-based companies
- Product companies
- Online assessments (AMCAT, HackerEarth, internal tests)
- Campus & lateral hiring
This software testing interview questions MCQ guide is designed as a complete practice + learning material, not just a question dump. Every MCQ is followed by a clear explanation, so you understand why an option is correct.
This guide covers:
- Manual + Automation Testing
- STLC / SDLC
- Defect Life Cycle & RCA
- API & SQL basics
- Agile & DevOps concepts
- Real-world scenarios
2. Software Testing Interview Questions MCQ – Basic Level (Q1–Q30)
Q1. What is software testing?
A. Writing code
B. Finding bugs
C. Verifying software meets requirements
D. Deploying software
✅ Correct Answer: C
Explanation: Testing ensures the software meets functional and business requirements.
Q2. Which testing is done without executing code?
A. Black box testing
B. White box testing
C. Static testing
D. Dynamic testing
✅ Correct Answer: C
Q3. What is QA?
A. Bug fixing
B. Process improvement
C. Code review
D. Test execution
✅ Correct Answer: B
Q4. What is QC?
A. Preventing defects
B. Process auditing
C. Product validation
D. Requirement gathering
✅ Correct Answer: C
Q5. Which testing is done first?
A. Regression
B. UAT
C. Smoke
D. Performance
✅ Correct Answer: C
Q6. Which testing checks build stability?
A. Sanity
B. Smoke
C. Regression
D. UAT
✅ Correct Answer: B
Q7. What is sanity testing?
A. Full application testing
B. Testing after minor fixes
C. Performance testing
D. Security testing
✅ Correct Answer: B
Q8. Which testing ensures old functionality works?
A. Retesting
B. Regression
C. Smoke
D. Sanity
✅ Correct Answer: B
Q9. What is a defect?
A. Enhancement
B. Requirement
C. Mismatch between expected and actual result
D. Feature
✅ Correct Answer: C
Q10. Severity refers to:
A. Bug priority
B. Business urgency
C. Impact of defect
D. Time to fix
✅ Correct Answer: C
Q11. Priority refers to:
A. Impact of defect
B. Urgency to fix
C. Module complexity
D. Developer availability
✅ Correct Answer: B
Q12. Which defect has high severity and high priority?
A. UI typo
B. Broken login
C. Color mismatch
D. Alignment issue
✅ Correct Answer: B
Q13. Which testing is done without knowledge of code?
A. White box
B. Gray box
C. Black box
D. Unit testing
✅ Correct Answer: C
Q14. Which testing requires code knowledge?
A. Black box
B. White box
C. UAT
D. System testing
✅ Correct Answer: B
Q15. Which testing validates user requirements?
A. Unit testing
B. Integration testing
C. UAT
D. Regression testing
✅ Correct Answer: C
Q16. What is exploratory testing?
A. Automated testing
B. Testing without test cases
C. Performance testing
D. Security testing
✅ Correct Answer: B
Q17. Which test design technique tests boundary values?
A. Decision table
B. State transition
C. Boundary value analysis
D. Use case testing
✅ Correct Answer: C
Q18. Equivalence partitioning is used to:
A. Reduce test cases
B. Increase test cases
C. Automate testing
D. Perform regression
✅ Correct Answer: A
Q19. Which testing is done by developers?
A. System testing
B. Integration testing
C. Unit testing
D. UAT
✅ Correct Answer: C
Q20. Which testing ensures complete system works together?
A. Unit
B. Integration
C. System
D. Smoke
✅ Correct Answer: C
Q21. Which testing focuses on performance?
A. Functional testing
B. Load testing
C. Smoke testing
D. Sanity testing
✅ Correct Answer: B
Q22. Which testing checks security vulnerabilities?
A. Functional testing
B. Performance testing
C. Security testing
D. Regression testing
✅ Correct Answer: C
Q23. What is defect leakage?
A. Bug reopened
B. Bug fixed
C. Bug found in production
D. Bug rejected
✅ Correct Answer: C
Q24. Which testing is done after deployment?
A. System testing
B. Maintenance testing
C. Integration testing
D. Unit testing
✅ Correct Answer: B
Q25. What is a test case?
A. Bug report
B. Set of test steps
C. Requirement document
D. Automation script
✅ Correct Answer: B
Q26. Which document defines test strategy?
A. Test case
B. Test plan
C. Bug report
D. RTM
✅ Correct Answer: B
Q27. RTM stands for:
A. Requirement Test Model
B. Requirement Traceability Matrix
C. Regression Test Matrix
D. Release Test Module
✅ Correct Answer: B
Q28. What is RTM used for?
A. Defect tracking
B. Requirement coverage
C. Automation execution
D. Performance testing
✅ Correct Answer: B
Q29. Which testing ensures compatibility?
A. Smoke
B. Sanity
C. Compatibility testing
D. UAT
✅ Correct Answer: C
Q30. Which testing checks usability?
A. Functional testing
B. Performance testing
C. Usability testing
D. Regression testing
✅ Correct Answer: C
3. Software Testing Interview Questions MCQ – STLC & SDLC (Q31–Q50)
Q31. What does SDLC stand for?
A. Software Debug Life Cycle
B. Software Development Life Cycle
C. System Development Logic Cycle
D. Software Design Life Cycle
✅ Correct Answer: B
Q32. Which is NOT an SDLC phase?
A. Requirement
B. Design
C. Coding
D. Bug fixing
✅ Correct Answer: D
Q33. What does STLC stand for?
A. Software Test Life Cycle
B. System Test Logic Cycle
C. Software Testing Life Cycle
D. Software Technical Life Cycle
✅ Correct Answer: C
Q34. Which STLC phase comes first?
A. Test execution
B. Test planning
C. Requirement analysis
D. Test closure
✅ Correct Answer: C
Q35. Test execution happens in which STLC phase?
A. Planning
B. Design
C. Execution
D. Closure
✅ Correct Answer: C
Q36. Entry criteria means:
A. Conditions to stop testing
B. Conditions to start testing
C. Bug severity
D. Test data
✅ Correct Answer: B
Q37. Exit criteria means:
A. Conditions to start testing
B. Conditions to end testing
C. Defect priority
D. Test plan
✅ Correct Answer: B
Q38. What is test closure?
A. Writing test cases
B. Logging defects
C. Test summary report
D. Smoke testing
✅ Correct Answer: C
Q39. Which testing is done in Agile?
A. Big bang testing
B. End-only testing
C. Continuous testing
D. No testing
✅ Correct Answer: C
Q40. Agile focuses on:
A. Heavy documentation
B. Customer collaboration
C. Fixed scope
D. No testing
✅ Correct Answer: B
Q41. Sprint duration is usually:
A. 1 day
B. 1 week
C. 2–4 weeks
D. 6 months
✅ Correct Answer: C
Q42. User stories are written by:
A. Tester
B. Developer
C. Product Owner
D. HR
✅ Correct Answer: C
Q43. Acceptance criteria defines:
A. Bug priority
B. Story completion conditions
C. Test plan
D. Automation scope
✅ Correct Answer: B
Q44. Definition of Done means:
A. Code complete
B. Testing complete
C. Story meets acceptance criteria
D. Deployment complete
✅ Correct Answer: C
Q45. Which testing fits best in Agile?
A. Waterfall testing
B. Continuous testing
C. No testing
D. Only UAT
✅ Correct Answer: B
Q46. What is defect triage?
A. Bug fixing
B. Bug prioritization meeting
C. Test execution
D. Regression testing
✅ Correct Answer: B
Q47. Who attends defect triage?
A. Only testers
B. Only developers
C. QA, Dev, PO
D. Customers
✅ Correct Answer: C
Q48. What is defect aging?
A. Defect priority
B. Defect severity
C. Time defect remains open
D. Defect status
✅ Correct Answer: C
Q49. What is a blocker defect?
A. Minor UI issue
B. Cosmetic bug
C. Defect that stops testing
D. Enhancement
✅ Correct Answer: C
Q50. What is RCA?
A. Root Code Analysis
B. Root Cause Analysis
C. Regression Coverage Analysis
D. Requirement Change Analysis
✅ Correct Answer: B
4. Automation, API & SQL – Software Testing MCQ (Q51–Q75)
Q51. Which testing is best suited for automation?
A. One-time testing
B. Regression testing
C. Exploratory testing
D. Usability testing
✅ Correct Answer: B
Q52. Which tool is used for UI automation?
A. Postman
B. Selenium
C. Jenkins
D. JMeter
✅ Correct Answer: B
Q53. Which testing is faster – UI or API?
A. UI
B. API
C. Both same
D. Depends
✅ Correct Answer: B
Q54. API testing does not require:
A. UI
B. Status code
C. Request payload
D. Response validation
✅ Correct Answer: A
Q55. Which HTTP status code means success?
A. 400
B. 401
C. 200
D. 500
✅ Correct Answer: C
Q56. Which HTTP status code means unauthorized?
A. 200
B. 201
C. 401
D. 500
✅ Correct Answer: C
Q57. Which tool is commonly used for API testing?
A. Selenium
B. Jenkins
C. Postman
D. Git
✅ Correct Answer: C
Q58. Database testing uses:
A. Java
B. Python
C. SQL
D. HTML
✅ Correct Answer: C
Q59. Which SQL command retrieves data?
A. INSERT
B. DELETE
C. SELECT
D. UPDATE
✅ Correct Answer: C
Q60. What is CI/CD?
A. Manual testing
B. Continuous Integration & Deployment
C. Code inspection
D. Customer integration
✅ Correct Answer: B
Q61. Which tool supports CI/CD?
A. Excel
B. Jenkins
C. Word
D. Paint
✅ Correct Answer: B
Q62. What is a flaky test?
A. Always passes
B. Always fails
C. Passes and fails randomly
D. Manual test
✅ Correct Answer: C
Q63. What causes flaky tests?
A. Stable code
B. Good waits
C. Timing issues
D. Clean environment
✅ Correct Answer: C
Q64. What is POM in automation?
A. Page Object Model
B. Product Object Method
C. Process Object Model
D. Program Output Model
✅ Correct Answer: A
Q65. What improves automation maintainability?
A. Hard coding
B. POM
C. Duplicate code
D. Manual testing
✅ Correct Answer: B
Q66. What is automation ROI?
A. Automation speed
B. Automation cost
C. Return on Investment
D. Regression output
✅ Correct Answer: C
Q67. What should NOT be automated?
A. Stable regression cases
B. One-time tests
C. High-risk flows
D. Smoke tests
✅ Correct Answer: B
Q68. What is headless testing?
A. Manual testing
B. UI testing without browser UI
C. API testing
D. Database testing
✅ Correct Answer: B
Q69. What is cross-browser testing?
A. Testing with different data
B. Testing across browsers
C. Testing with different users
D. Testing APIs
✅ Correct Answer: B
Q70. What is test logging?
A. Writing test cases
B. Capturing execution details
C. Bug fixing
D. Requirement analysis
✅ Correct Answer: B
Q71. What is test reporting?
A. Writing code
B. Executing tests
C. Sharing test results
D. Bug fixing
✅ Correct Answer: C
Q72. Which testing validates schema?
A. UI testing
B. API testing
C. Performance testing
D. Manual testing
✅ Correct Answer: B
Q73. Which testing validates data integrity?
A. UI testing
B. API testing
C. Database testing
D. Smoke testing
✅ Correct Answer: C
Q74. Mocking is used to:
A. Replace unavailable services
B. Fix bugs
C. Automate UI
D. Improve performance
✅ Correct Answer: A
Q75. Service virtualization helps in:
A. Manual testing
B. Automation only
C. Simulating dependencies
D. UI design
✅ Correct Answer: C
5. Scenario-Based MCQ (Q76–Q90)
Q76. A critical bug is found before release. What is the best action?
A. Ignore
B. Release anyway
C. Inform stakeholders and assess risk
D. Close bug
✅ Correct Answer: C
Q77. A bug is rejected by developer. What should tester do?
A. Close defect
B. Argue
C. Provide evidence and requirement reference
D. Ignore
✅ Correct Answer: C
Q78. Bug found in production is called:
A. Blocker
B. Defect leakage
C. Retest
D. Regression
✅ Correct Answer: B
Q79. Root cause analysis helps in:
A. Bug fixing
B. Preventing future issues
C. Writing test cases
D. Automation
✅ Correct Answer: B
Q80. Which testing helps catch unknown bugs?
A. Regression
B. Exploratory
C. Smoke
D. Sanity
✅ Correct Answer: B
Q81. Best testing approach under time pressure?
A. Test everything
B. No testing
C. Risk-based testing
D. Only automation
✅ Correct Answer: C
Q82. Payment failure bug severity is:
A. Low
B. Medium
C. High
D. Cosmetic
✅ Correct Answer: C
Q83. Best way to test login?
A. Only valid input
B. Only invalid input
C. Positive & negative cases
D. Automation only
✅ Correct Answer: C
Q84. Which testing ensures old bugs don’t reappear?
A. Retesting
B. Smoke
C. Regression
D. Sanity
✅ Correct Answer: C
Q85. Best way to communicate risk to management?
A. Technical terms
B. Business impact
C. Code details
D. Logs
✅ Correct Answer: B
Q86. What testing checks failover?
A. Functional
B. Performance
C. Reliability
D. Smoke
✅ Correct Answer: C
Q87. What is UAT goal?
A. Find bugs
B. Validate business acceptance
C. Automation
D. Performance
✅ Correct Answer: B
Q88. What is test debt?
A. Open bugs
B. Pending testing work
C. Automation failure
D. Defect aging
✅ Correct Answer: B
Q89. What improves test quality?
A. More test cases
B. Risk-based approach
C. Automation only
D. Less testing
✅ Correct Answer: B
Q90. What defines a good tester?
A. Tool knowledge only
B. Coding skills only
C. Analytical thinking
D. Manual testing only
✅ Correct Answer: C
6. Test Case Writing Example (MCQ Context)
Question: Which test case validates SQL injection prevention?
| Input | Expected Result |
| ‘ OR 1=1 — | Login should fail |
7. Bug Example (Interview-Oriented)
Issue: Duplicate payment
Root Cause: Missing idempotency
Fix: Backend validation
Prevention: API regression test
8. Tools Commonly Appearing in MCQ Interviews
- Jira – Defect tracking
- TestRail – Test cases
- Selenium – UI automation
- Postman – API testing
- Jenkins – CI/CD
9. Domain-Based MCQ Focus Areas
Banking
Security, transactions, reliability.
Insurance
Rules, calculations, workflows.
E-Commerce
Checkout, payment, peak load.
Healthcare
Data privacy, audit trails.
10. Quick Revision Sheet – Software Testing MCQ
- Understand concepts, not just answers
- Practice scenario-based thinking
- Revise STLC & SDLC
- API & automation basics are mandatory
11. FAQ – Software Testing Interview Questions MCQ
Q. Are MCQs enough for interview prep?
They test fundamentals, but scenarios are equally important.
Q. Do experienced testers get MCQs?
Yes, especially in screening rounds.
Q. How many MCQs should I practice?
At least 150–200.