Polypeptide Laboratories Interview Questions and Answers

Reasoning, Typing Test, Grammatical question.

Q1. Tell me somthikng about yourself.
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Q2. Reason to leave the previous company.
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Q3. What is your salary expactation?
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Q4. What do you know about Capline services / RCM
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Q1. Tell me somthing about your self.
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Q2. Why do you want to join Capline Services?
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Q3. What do you know about Capline services?
Ans. 
Capline Services is a company that provides a range of consulting and outsourcing services to businesses.
• Capline Services offers consulting services in areas such as finance, marketing, and operations.

• They also provide outsourcing services for tasks like customer service, data entry, and IT support.

• The company aims to help businesses improve efficiency and reduce costs through their services.
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Q4. Why do you want to join for this role?
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Q1. React Hooks and Project experience
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Q1. Performance Optimization Techniques
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Performance optimization techniques for React JS frontend development
• Use React.memo for optimizing functional components

• Avoid unnecessary re-renders by using shouldComponentUpdate or PureComponent for class components

• Implement code splitting to reduce initial load time

• Use lazy loading for components that are not immediately needed

• Optimize images and assets for faster loading times

• Minimize the use of inline styles and u...read more
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Q2. Lazy Loading and other ques related to that
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Q1. General HR Interview
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Q1. Explain your project
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Developed a predictive model for customer churn using machine learning algorithms
• Used R programming language to clean and preprocess customer data

• Implemented various machine learning algorithms such as Random Forest and Logistic Regression

• Evaluated model performance using metrics like accuracy, precision, and recall
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Q2. What metrics you used to test the models deployed
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I use metrics such as accuracy, precision, recall, F1 score, ROC-AUC, and confusion matrix to test the models deployed.
• Accuracy: measures the overall correctness of the model

• Precision: measures the proportion of true positive predictions among all positive predictions

• Recall: measures the proportion of true positive predictions among all actual positives

• F1 score: balances precision and recall

• ROC-AUC: measures the area u...read more
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Q3. How well versed are you with JavaScript?
Ans. 
I have a basic understanding of JavaScript and can work with it to some extent.
• Familiar with basic JavaScript syntax and concepts

• Able to manipulate DOM elements using JavaScript

• Have experience working with JavaScript libraries like jQuery
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Q4. Can you provide an example of integrating R with JavaScript?
Ans. 
Yes, R can be integrated with JavaScript using the 'shiny' package to create interactive web applications.
• Use the 'shiny' package in R to create interactive web applications

• Use the 'htmlwidgets' package to embed interactive R visualizations in web pages

• Utilize the 'r2d3' package to create D3 visualizations in R and embed them in web applications
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Q5. Which modules do you use in R to import Javascript?
Ans. 
The 'V8' package in R is used to import and execute JavaScript code.
• Use the 'V8' package in R to import and execute JavaScript code.

• Install the 'V8' package using install.packages('V8').

• Load the 'V8' package using library(V8).

• Use the v8() function to create a new V8 context and execute JavaScript code.
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Q1. What do you think about security in application?
Ans. 
Security in applications is crucial to protect sensitive data and prevent unauthorized access.
• Security in applications involves implementing measures to protect sensitive data from unauthorized access, such as encryption and access control.

• Regular security audits and penetration testing can help identify vulnerabilities in applications.

• Implementing secure coding practices, such as input validation and proper error hand...read more
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Q2. What was your last encounter with security related issue?
Ans. 
My last encounter with a security related issue was investigating a potential data breach in our company's network.
• Identified suspicious activity on the network

• Conducted forensic analysis to determine the extent of the breach

• Implemented security measures to prevent future incidents
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Q1. How do you handle conflict?
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I handle conflict by addressing the issue calmly, listening to all parties involved, and finding a mutually beneficial solution.
• Remain calm and composed during conflicts

• Listen actively to all parties involved

• Seek to understand the root cause of the conflict

• Find a solution that is fair and beneficial for all parties

• Communicate effectively to resolve the conflict
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Q2. How do you proceed with your set of expertise?
Ans. 
I proceed with my expertise by staying updated on the latest security trends, conducting risk assessments, implementing security measures, and training staff.
• Stay updated on the latest security trends and technologies

• Conduct regular risk assessments to identify potential vulnerabilities

• Implement security measures such as access control systems, surveillance cameras, and cybersecurity protocols

• Train staff on security pr...read more
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Basic aptitude test: similar to the MBA entrance exams.

There was a PMR case study and I was expected to solve it live. Mostly to draw insights from it.

Q1. Experience in previous job
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Q2. Explain one of the projects throughout its journey.
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Q3. Why do you want to join ZoomRX?
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Q1. Job profile and testing process
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Q2. Handling investigation and interconnected team for information cascade
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Q1. Data integrity principle
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Data integrity principle ensures data is accurate, consistent, and reliable.
• Data should be accurate and free from errors or inconsistencies.

• Data should be consistent and not contradict itself.

• Data should be reliable and trustworthy for decision-making.

• Examples: Using checksums to verify data integrity, implementing access controls to prevent unauthorized changes.
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Q2. HPLC Woking principle
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HPLC stands for High Performance Liquid Chromatography. It separates compounds based on their interaction with a stationary phase and a mobile phase.
• HPLC works by pumping a sample mixture through a column filled with a stationary phase, where different compounds interact differently with the stationary phase.

• Compounds with stronger interactions will move slower through the column, leading to separation based on their p...read more
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Q3. UV visible spectroscopy calibration
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Q1. About Introduction
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Q2. Work information
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Q1. About analytical instruments
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Q2. Principles of HPLC, GC,UV-VIS,TLC
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Principles of HPLC, GC, UV-VIS, TLC involve separation of compounds based on different physical and chemical properties.
• HPLC (High Performance Liquid Chromatography) separates compounds based on their affinity for the stationary phase and mobile phase.

• GC (Gas Chromatography) separates compounds based on their volatility and interaction with the stationary phase.

• UV-VIS (Ultraviolet-Visible Spectroscopy) measures the abs...read more
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Basic apti question, more of english and maths questions, can be [passed easliy

Data algorithm, cicd pipeline and multiple android ios application questions

Q1. Tell me about yourself
Ans. 
I am a software engineer with 5 years of experience in developing web applications using Java, Spring, and Angular.
• 5 years of experience in software development

• Proficient in Java, Spring, and Angular

• Strong problem-solving skills

• Experience in developing web applications
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Q2. Salary negotiation
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