Biocon Limited Biotechnologist Interview Questions and Answers

An introductory conversation to determine that you have the basic skills and qualifications for the role and can fit in with the team and company culture

Q1. Chemistry questions
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Q2. Qualification group chemistry certification verification
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Q3. Tell me about your self
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Q4. What is the acid &base
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Acid and base are two types of chemical compounds with distinct properties.
• Acids are substances that release hydrogen ions (H+) when dissolved in water.

• Bases are substances that release hydroxide ions (OH-) when dissolved in water.

• Acids have a sour taste and can corrode metals.

• Bases have a bitter taste and feel slippery to the touch.

• Examples of acids include hydrochloric acid (HCl) and sulfuric acid (H2SO4).

• Examples of...read more
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Q5. PH formula, molarity what is ph scal
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The pH formula is used to calculate the acidity or alkalinity of a solution. Molarity is a measure of the concentration of a solute in a solution. The pH scale is a logarithmic scale that ranges from 0 to 14, with 7 being neutral.
• pH formula calculates the negative logarithm of the hydrogen ion concentration in a solution

• Molarity is the number of moles of solute per liter of solution

• The pH scale ranges from 0 to 14, wit...read more
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Q1. Work Experience & Salary Expectations
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Q2. Family Back Ground & Native
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Q3. Ready to travel to office
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Q4. Covid Vaccine Completion Dose Schedules
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Q1. How to handle and quench pyrophoric chemical in reaction.
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Pyrophoric chemicals can be handled and quenched by using inert gases, specialized containers, and proper disposal methods.
• Use inert gases such as nitrogen or argon to displace air and prevent ignition.

• Store and handle pyrophoric chemicals in specialized containers such as air-tight glass ampoules or sealed metal containers.

• Dispose of pyrophoric chemicals properly by contacting a hazardous waste disposal company.

• Exampl...read more
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Q2. Name reactions based on palladium chemistry and copper chemistry
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Palladium and copper chemistry are widely used in organic synthesis. Some important reactions include Suzuki coupling, Heck reaction, Sonogashira coupling, and Ullmann reaction.
• Suzuki coupling: cross-coupling reaction between an organoboron compound and an organic halide or triflate catalyzed by a palladium complex

• Heck reaction: coupling of an aryl or vinyl halide with an alkene in the presence of a palladium catalyst

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Q3. Different oxidising and reducing agent for ester reduction,cyano reduction, alchol oxidation
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Different oxidising and reducing agents used for ester reduction, cyano reduction, and alcohol oxidation.
• Ester reduction: Lithium aluminum hydride (LiAlH4), sodium borohydride (NaBH4), diisobutylaluminum hydride (DIBAL-H)

• Cyano reduction: Lithium aluminum hydride (LiAlH4), sodium borohydride (NaBH4)

• Alcohol oxidation: Chromium trioxide (CrO3), potassium permanganate (KMnO4), Jones reagent (CrO3/H2SO4)
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Q4. Indole, oxazole and isoxazole synthesis route
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Q1. Tell me about 5 types of painkiller
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Q2. What should be need to care in industrial area
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Q1. Tell me about yourself
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Q1. Organic chemistry conversion, reactions and mechanism, spectroscopy
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