20+ QA Trainee Interview Questions and Answers

Regression testing ensures changes don't break existing functionality. Smoke testing checks basic functionality. Unit testing tests individual units of code.

• Regression testing: retesting of previously tested functionality to ensure changes haven't introduced new defects

• Smoke testing: quick check to ensure basic functionality is working before more comprehensive testing

• Unit testing: testing individual units of code to ensure they function as expected

• Example: Regression testing...read more

Regression testing is testing the existing functionality after changes, retesting is testing the fixed defects, Scrum is an agile framework, Agile is a methodology for software development.

• Regression testing ensures that changes to the software do not affect the existing functionality

• Retesting is done to ensure that the defects found in the previous cycle have been fixed

• Scrum is an agile framework that emphasizes teamwork, accountability, and iterative progress towards a well...read more

Validation is the process of evaluating a system or component during or at the end of the development process to determine if it satisfies specified requirements.

• Validation is used to ensure that a system or component meets the intended purpose and functions correctly.

• It involves testing and verifying that the system or component meets the defined requirements.

• Validation can be performed through various methods such as functional testing, performance testing, and user accepta...read more

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have a nucleus and membrane-bound organelles.

• Prokaryotic cells are simpler and smaller in size compared to eukaryotic cells.

• Prokaryotic cells do not have membrane-bound organelles like mitochondria or endoplasmic reticulum.

• Eukaryotic cells have a true nucleus containing genetic material, while prokaryotic cells have a nucleoid region.

• Examples of prokaryotic organisms include bacteria and ar...read more

The 13 principles of Good Clinical Practice (GCP) are guidelines for conducting clinical trials ethically and ensuring the safety and well-being of participants.

• Informed consent must be obtained from all participants before they can participate in a clinical trial.

• The rights, safety, and well-being of trial participants are the most important considerations throughout the trial.

• Clinical trials should be conducted by qualified individuals with proper training and experience.

• Da...read more

Quality assurance is the process of ensuring that a product or service meets the desired level of quality.

• It involves creating and implementing quality standards and procedures.

• It includes testing and evaluating products or services to ensure they meet the desired level of quality.

• It also involves identifying and addressing any issues or defects that may arise.

• Examples include software testing, product inspections, and customer feedback analysis.

Good clinical practice refers to ethical and scientific quality standards for designing, conducting, recording, and reporting clinical trials.

• Adherence to ethical principles

• Ensuring participant safety and well-being

• Obtaining informed consent from participants

• Maintaining accurate and complete documentation

• Following protocol guidelines

• Conducting trials with integrity and transparency

Smoke testing is a basic test to check if the software build is stable, while sanity testing is a narrow regression test to check specific functionalities.

• Smoke testing is done to ensure the critical functionalities of the software are working fine after a build.

• Sanity testing is done to verify that the specific changes made in the code are working as expected.

• Smoke testing is a broader test that covers major functionalities, while sanity testing is a narrower test focusing o...read more

Testing is a process of evaluating a system or its component(s) with the intent to find whether it satisfies the specified requirements or not.

• Software Testing Life Cycle (STLC) is a sequence of activities performed to ensure the quality of the software product.

• Software Development Life Cycle (SDLC) is a process followed by a development team within a software organization.

• Regression testing is a type of software testing that ensures that previously developed and tested softw...read more

Clinical trial phases include Phase 1, Phase 2, Phase 3, and Phase 4.

• Phase 1: Tests safety and dosage on a small group of healthy volunteers.

• Phase 2: Tests effectiveness and side effects on a larger group of patients.

• Phase 3: Compares new treatment to standard treatment on a larger group of patients.

• Phase 4: Monitors safety and effectiveness after the treatment is approved and on the market.

QA stands for Quality Assurance. It is a process of ensuring that the software or product meets the required quality standards.

• QA involves testing the software or product to identify defects or bugs

• It also involves ensuring that the software or product meets the functional and non-functional requirements

• QA is an ongoing process that starts from the beginning of the software development life cycle and continues until the product is released

• QA also involves creating test plans,...read more

Beta testing is the final phase of testing before a software product is released to the public, where real users test the product in a real-world environment.

• Beta testing helps identify bugs, usability issues, and gather feedback from real users.

• Beta testers are usually external users who volunteer to test the product before its official release.

• Beta testing can be open to the public or limited to a select group of testers.

• Examples of beta testing include Google's beta progra...read more

Black Box Testing is a software testing method where the internal structure/design of the application is not known to the tester.

• Tester focuses on the functionality of the software without knowing its internal code

• Tests are based on requirements and specifications

• Input data is provided and output is verified without knowing how the software processes the data

Integration testing is a type of testing where individual units are combined and tested as a group to ensure they work together correctly.

• Integration testing focuses on testing the interactions between different components/modules of a system.

• It helps in identifying issues related to communication between different units.

• Examples include testing the integration of a login module with a database or testing the integration of a payment gateway with an e-commerce website.

I chose QA in Mpharm to ensure the safety and efficacy of pharmaceutical products.

• Passion for ensuring quality and safety in pharmaceutical products

• Interest in conducting tests and experiments to ensure efficacy

• Desire to contribute to the healthcare industry by ensuring high standards of quality

• Opportunity to work in a dynamic and challenging field

Stability in QA refers to the ability of a system to remain consistent and reliable over time.

• Stability testing is crucial to ensure that the software or system performs consistently under various conditions.

• It involves testing for memory leaks, performance degradation, and system crashes.

• Examples of stability testing include soak testing, stress testing, and reliability testing.

• Stability is important for ensuring a positive user experience and preventing system failures in p...read more

SDLC is the process of developing software, while STLC is the process of testing software.

• SDLC focuses on the development of software from planning to deployment.

• STLC focuses on the testing activities like test planning, test design, test execution, and test closure.

• SDLC includes phases like requirements gathering, design, coding, testing, and deployment.

• STLC includes phases like test planning, test design, test execution, and test closure.

• SDLC is more about the development t...read more

STLC (Software Testing Life Cycle) is a process used by QA teams to plan, design, execute, and report on testing activities.

• STLC involves phases like requirement analysis, test planning, test design, test execution, and test closure.

• Each phase has specific goals and deliverables to ensure thorough testing of the software.

• For example, in the test execution phase, test cases are executed, defects are logged, and regression testing is performed.

• STLC helps in ensuring the quality...read more

Name a reaction and provide details.

• The Grignard reaction involves the addition of an organomagnesium halide to a carbonyl compound.

• The Diels-Alder reaction is a cycloaddition reaction between a diene and a dienophile.

• The Friedel-Crafts reaction involves the alkylation or acylation of an aromatic ring using a Lewis acid catalyst.

• The Heck reaction is a palladium-catalyzed coupling reaction between an aryl or vinyl halide and an alkene.

• The Sanger reaction is a method for sequen...read more

Blenders are kitchen appliances used to mix, puree, or emulsify food and other substances.

• Blenders have a motorized base with a container to hold the ingredients.

• They typically have sharp blades at the bottom of the container to blend the ingredients.

• Blenders can be used to make smoothies, soups, sauces, and other liquid-based recipes.