Saga Laboratories QC Officer Interview Questions, Process, and Tips

Q1. What is HPLC? Tell me about your self
Ans. 
HPLC is a technique used in analytical chemistry to separate, identify, and quantify components in a mixture.
• HPLC stands for High-Performance Liquid Chromatography.

• It is a widely used technique in pharmaceutical, chemical, and food industries.

• HPLC utilizes a liquid mobile phase and a solid stationary phase to separate and analyze components in a sample.

• It is highly sensitive and can detect and quantify even trace amoun...read more
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Q2. What is acid and base?
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Acid is a substance that donates hydrogen ions (H+) and base is a substance that accepts hydrogen ions (H+).
• Acids have a pH less than 7 while bases have a pH greater than 7.

• Acids taste sour and can cause burns while bases taste bitter and feel slippery.

• Examples of acids include vinegar, lemon juice, and hydrochloric acid while examples of bases include baking soda, soap, and bleach.
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Q3. What is pH? What is environmental monitoring in microbiology
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pH is a measure of acidity or alkalinity of a solution. Environmental monitoring in microbiology is the process of monitoring the microbial contamination in the environment.
• pH is measured on a scale of 0-14, with 7 being neutral, below 7 acidic and above 7 alkaline

• Environmental monitoring in microbiology involves sampling and testing of air, water, surfaces, and personnel for microbial contamination

• The purpose of envir...read more
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Q4. What Air monitoring? Difference between gram+ ve and gram - ve?
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Air monitoring is the process of measuring and analyzing the quality of air. Gram+ ve and gram - ve refer to different types of bacteria based on their cell wall structure.
• Air monitoring involves collecting air samples and analyzing them for pollutants, allergens, and other contaminants.

• Gram+ ve bacteria have a thick peptidoglycan layer in their cell wall, while gram - ve bacteria have a thinner peptidoglycan layer.

• Gra...read more
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Q5. Examples of gram positive and negative
Ans. 
Gram positive and negative are two types of bacteria based on their cell wall structure.
• Gram positive bacteria have a thick peptidoglycan layer in their cell wall.

• Examples of gram positive bacteria include Staphylococcus aureus and Streptococcus pneumoniae.

• Gram negative bacteria have a thin peptidoglycan layer and an outer membrane.

• Examples of gram negative bacteria include Escherichia coli and Pseudomonas aeruginosa.
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Q6. What is MLT ? Gram staining?
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Q7. Principal of uv/ vis spectrometry ? Range of uv and vis
Ans. 
UV/Vis spectrometry measures the absorption of light in the UV and visible range to identify and quantify substances.
• UV/Vis spectrometry is based on the principle that molecules absorb light in the UV and visible range.

• The range of UV light is typically 200-400 nm, while the range of visible light is 400-700 nm.

• UV/Vis spectrometry is commonly used in analytical chemistry to identify and quantify substances in a sample.

• ...read more
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Q8. Beer and Lambert law, FT-IR
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Q9. Electrophoresis, blotting technique
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Q1. Basic questions ,easy questions
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Q2. Basically questions and pharmaceutical lelated questions
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Q3. Chemistry basics questions
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Q1. What is chemistry ..what is inorganic,what is analytical..etc
Ans. 
Chemistry is the study of matter and its properties. Inorganic chemistry deals with non-living matter while analytical chemistry focuses on the analysis of substances.
• Chemistry is the scientific study of matter, its properties, and how it interacts with other matter.

• Inorganic chemistry deals with the study of non-living matter such as minerals, metals, and chemicals.

• Analytical chemistry focuses on the analysis of subst...read more
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Q1. Simply questions.. Pharma related
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Q1. What is pH principal
Ans. 
pH is a measure of the acidity or alkalinity of a solution on a scale of 0 to 14.
• pH stands for 'potential of Hydrogen'

• It indicates the concentration of hydrogen ions in a solution

• A pH of 7 is considered neutral, below 7 is acidic, and above 7 is alkaline

• pH is important in various industries such as food, pharmaceuticals, and environmental monitoring
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Q2. What is HPLC principal
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HPLC stands for High Performance Liquid Chromatography, a technique used to separate, identify, and quantify components in a mixture.
• HPLC involves passing a liquid sample through a column filled with a stationary phase, where different components in the sample interact differently with the stationary phase and elute at different times.

• The eluted components are detected and quantified based on their retention times and ...read more
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HPLc,GC, IR,UV,And basic chemistry related questions