Category Archives: Enzyme Technology MCQ

This set of Enzyme Technology Multiple Choice Questions & Answers (MCQs) focuses on “Enzymes Purification – Gel Filtration”. 1. _______________ is a liquid column chromatographic method of separating solute molecules according to differences in molecular size. a) Thin layer chromatography (TLC) b) Ion exchange chromatography c) Gel filtration d) Affinity chromatography 2. Which of the … Read more

This set of Enzyme Technology Multiple Choice Questions & Answers (MCQs) focuses on “Enzymes Purification – Thin Layer Chromatography”. 1. The presence of enzyme in the sample can be detected by _________________ a) gel exclusion chromatography b) affinity chromatography c) ion exchange chromatography d) thin layer chromatography (TLC) 2. The method which relies on differences … Read more

This set of Enzyme Technology Multiple Choice Questions & Answers (MCQs) focuses on “Enzymes Purification – Ultrafiltration”. 1. Which of the following technique uses separation on the basis of particle size? a) Chromatography b) Ultrasonication c) Homogenization d) Filtration 2. Which of the following is not employed for filtration? a) Filter cloth b) Plate and … Read more

This set of Enzyme Technology Multiple Choice Questions & Answers (MCQs) focuses on “Enzymes Purification – Dialysis”. 1. The process in which there is a free flow low molecular weight compounds across the membrane retaining high molecular weight compound is referred to as _____________ a) purity checking b) dialysis c) salting out d) precipitation 2. … Read more

This set of Enzyme Technology Multiple Choice Questions & Answers (MCQs) focuses on “Enzymes Purification – Ammonium Sulphate Fractionation”. 1. Enzyme are soluble in aqueous medium. a) True b) False 2. Which of these is not a basic amino-acid? a) Arginine b) Histidine c) Aspartate d) Lysine 3. __________ is an acidic amino acid. a) … Read more

This set of Enzyme Technology Multiple Choice Questions & Answers (MCQs) focuses on “Enzymes Purification – Organic Solvent Fractionation”. 1. Which of the following is not a step involved in purification? a) Precipitation b) Dialysis or ultrafiltration c) Chromatographic techniques d) Freezing technique 2. Insulin is purified under ___________ purifications. a) analytical b) chromatography c) … Read more

This set of Enzyme Technology Multiple Choice Questions & Answers (MCQs) focuses on “Isolation of Enzymes”. 1. _________________ is the main contaminant present in the resultant free extract from cells. a) Chemicals b) Simple sugars c) Lipids d) Nucleic acids 2. Enzymes can be isolated from cell free extract by which one of the following … Read more

This set of Enzyme Technology Multiple Choice Questions & Answers (MCQs) focuses on “Extraction of Enzymes by Physical Methods”. 1. Which of the following is not a physical method for extraction of enzymes? a) Osmotic shock b) Ultrasonication c) Homogenization d) Freezing technique 2. ____________ is a phenomenon of assuming frequencies more than 20 kHz … Read more

This set of Enzyme Technology Questions and Answers for Experienced people focuses on “Extraction of Enzymes by Chemical Methods – 2”. 1. Extraction of enzymes by physical methods include the usage of alkalis, EDTA, lysozyme, etc. a) True b) False 2. Alkali treatment is not advisable for which of the following? a) Extracellular enzymes b) … Read more

This set of Enzyme Technology Multiple Choice Questions & Answers (MCQs) focuses on “Extraction of Enzymes by Chemical Methods – 1”. 1. Which of the following is not a technique for the extraction of enzymes by chemical methods? a) Alkali treatment b) Osmotic shock c) Detergent treatment d) Homogenization 2. In ________ treatment, produced basic … Read more