Smilax Laboratories QC Microbiologist Interview Questions and Answers

Q1. Self introduction
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Q2. About microbiology basics
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Microbiology, sterilization, culture techniques, disinfectant preparation, history, grams staining.

Q1. Basic microbiology, sterilization techniques, temperature, ph,
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Sql coding + project discussion

Q1. Difference between List and Tuple?
Ans. 
List is mutable, Tuple is immutable in Python.
• List can be modified after creation, Tuple cannot be modified

• List is defined using square brackets [], Tuple is defined using parentheses ()

• Example: list_example = [1, 2, 3], tuple_example = (4, 5, 6)
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Q2. Define a sales forecasting approach?
Ans. 
Sales forecasting approach is a method used to predict future sales based on historical data and market trends.
• Sales forecasting can be done using quantitative methods like time series analysis or qualitative methods like expert opinion.

• It involves analyzing past sales data, market trends, and other relevant factors to predict future sales.

• Different approaches include moving average method, exponential smoothing, regre...read more
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Q1. Have you make any Down payment
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Yes, I have made a down payment on my car loan.
• Yes, I made a down payment of 20% on my car loan.

• The down payment helped lower my monthly payments.

• I saved up for the down payment over several months.
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Q2. Did you come across any situation like aging invoices pending to process and how you clear that
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Q1. What ever I was mentioning in my resume from toward the questions
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Q2. Explain about UV, IR, KF, polarimeter with principle and functions
Ans. 
UV, IR, KF, and polarimeter are analytical instruments used for different types of analysis based on principles of light absorption, emission, and rotation.
• UV (Ultraviolet) spectrophotometer measures the absorption of ultraviolet light by a sample to determine its concentration or purity.

• IR (Infrared) spectrophotometer measures the absorption of infrared light by a sample to identify functional groups in organic compou...read more
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Q3. Calibration of analytical balance
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Calibration of analytical balance is essential for accurate measurements in analytical chemistry.
• Calibration involves comparing the readings of the balance to known weights.

• Regular calibration ensures accuracy and reliability of measurements.

• Adjustments may be needed if the balance readings deviate from the known weights.

• Calibration should be done using a proper calibration weight and following manufacturer's instructi...read more
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Q4. What is the range of PH and explain about calibration
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PH range is 0-14. Calibration ensures accuracy by adjusting the PH meter to known standards.
• PH range is from 0 to 14, with 7 being neutral

• Acidic solutions have a PH below 7, while alkaline solutions have a PH above 7

• Calibration involves adjusting the PH meter using buffer solutions of known PH values

• Regular calibration ensures accurate PH measurements
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Q1. Waiting for HR round
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