Teva Pharmaceuticals Senior Executive QC Interview Questions and Answers

Q1. Difference between bacteria and fungi
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Bacteria are single-celled prokaryotic organisms, while fungi are eukaryotic organisms that can be single-celled or multicellular.
• Bacteria are prokaryotic, meaning they lack a true nucleus and membrane-bound organelles, while fungi are eukaryotic with a true nucleus and organelles.

• Bacteria reproduce asexually through binary fission, while fungi reproduce sexually or asexually through spores.

• Bacteria are typically small...read more
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Q2. Difference between bacterial staining
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Q3. Fungal staining and procedure
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Q4. Examples of gram staining
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Q5. Difference between dungi and mold
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Dungi is a type of fungus that grows on decaying organic matter, while mold is a type of fungus that grows on various surfaces.
• Dungi typically grows on soil, wood, or plant material, while mold can grow on walls, food, or other surfaces.

• Dungi is often associated with decomposition processes, while mold is commonly found in damp or humid environments.

• Dungi can be beneficial in breaking down organic matter, while mold ca...read more
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Q6. Examples of fungi and mold
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Fungi and mold are types of microorganisms that can grow in various environments.
• Fungi are eukaryotic organisms that include yeasts, molds, and mushrooms

• Mold is a type of fungus that grows in the form of multicellular filaments called hyphae

• Examples of fungi include Aspergillus, Candida, and Penicillium

• Examples of mold include Alternaria, Cladosporium, and Stachybotrys
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Q7. Know about basic Microbiology
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Q8. Know about some testing and procedure
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Q9. Basic about utensils used in microbiology
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Q1. Wh at do you want about our company.
Ans. 
I am interested in the company's commitment to quality and continuous improvement.
• The company's strong focus on quality control and adherence to industry standards.

• The company's track record of delivering high-quality products and services.

• The company's dedication to continuous improvement and staying up-to-date with the latest advancements in quality control.

• The company's emphasis on employee training and development ...read more
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Q2. What is the oxidation and reduction.
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Oxidation is the loss of electrons and reduction is the gain of electrons.
• Oxidation involves the loss of electrons from an atom or molecule.

• Reduction involves the gain of electrons by an atom or molecule.

• Oxidation and reduction always occur together in a chemical reaction.

• Examples include rusting of iron (oxidation) and photosynthesis (reduction).
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Q3. What is ph, how do measerment ph scale.
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pH is a measure of acidity or alkalinity of a solution. It ranges from 0 to 14, with 7 being neutral.
• pH stands for 'potential of hydrogen'

• It is measured on a scale of 0 to 14

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

• pH can be measured using pH paper, pH meter, or indicators like litmus paper

• Examples of pH values: lemon juice (pH 2), water (pH 7), baking soda (pH 9)
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Q1. What is your family background?
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Q2. Why are you looking for a change?
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Q3. What are your strengths and weaknesses?
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Q4. Tell me about yourself.
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Q1. What is your job profile
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Q2. What about abbott Healthcare
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Q3. What is dissolution acceptance criteria.
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Q4. What is cu acceptance criteria as per IP, B.P and USP pharmacopoeia.
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Q1. About related microbiology , Environmental monitoring in specific areas and levels, water sampling.
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How face work pressure ,and work related points also discussed.

Q1. Discussed only subject related and tested myself and knowledge.
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Q1. Only discussed salary and rools of the company
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Q1. What is oos and ooT
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OOS stands for Out of Specification and OOT stands for Out of Trend in the context of quality control.
• OOS refers to a result that falls outside the specifications or acceptance criteria set for a product.

• OOT refers to a result that shows a trend of deviation from the expected values over time.

• Both OOS and OOT results require investigation to determine the root cause and potential impact on product quality.

• Examples: OOS...read more
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Q2. HPLC operations
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Q1. HPLC ,pH,KF etc
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Q2. Types of HPLC columns
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HPLC columns are used in High Performance Liquid Chromatography to separate and analyze compounds in a sample.
• Types include reversed-phase, normal-phase, ion-exchange, size-exclusion, and affinity columns

• Reversed-phase columns use a non-polar stationary phase and are commonly used for separating hydrophobic compounds

• Normal-phase columns use a polar stationary phase and are used for separating polar compounds

• Ion-exchang...read more
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Q3. Mathamatics behind pH formula
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Q4. Solubility types
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There are three main types of solubility: miscible, immiscible, and partially miscible.
• Miscible: substances that are completely soluble in each other in all proportions (e.g. ethanol and water)

• Immiscible: substances that do not dissolve in each other (e.g. oil and water)

• Partially miscible: substances that are partially soluble in each other (e.g. acetone and water)
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