Enzyme Engineering In Biotechnology — Part 2 MCQs with Explanations

Urease is the correct answer to “This enzyme was first isolated and purified in the form of crystals:”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Enzymes is the correct answer to “. . . . . . . . are very efficient catalyst as compared to conventional catalyst.”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Nucleic acids is the correct answer to “. . . . . . . . is the main contaminant present in the resultant free extract from cells.”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Oxidoreductases is the correct answer to “The class of enzymes which contains extensive group of enzymes are . . . . . . . .”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Holoenzyme is the correct answer to “Which of the following is produced with the combination of apoenzyme and coenzyme:”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Glucose oxidase is the correct answer to “Which of the following is an example for Oxidoreductases”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

All of these is the correct answer to “Which of the following is the non-protein component of the enzyme”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

All of these is the correct answer to “Which of the following is a thermo stable DNA polymerase”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Lactose synthase is the correct answer to “Which of the following enzyme cannot be extracted from liver”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

37-degree celsius is the correct answer to “In the human body optimum temperature for enzymatic activities is:”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Phosphatase is the correct answer to “Mg +2 is an inorganic activator for enzymes:”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Non-competitive inhibition is the correct answer to “. . . . . . . . inhibition represent the following rate equation. $$V = {{\left( {{{{V_{\max }}} \over {1 + {{\left[ I \right]} \over {{K_i}}}}}} \right)\left[ S \right]} \over {{K_m} + \left[ S \right]}}$$”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Extracellular enzymes is the correct answer to “Alkali treatment is not advisable for which of the following”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Endonuclease is the correct answer to “Eco R1 is a”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Restriction endonuclease is the correct answer to “Which of the following enzyme is used to cut DNA molecule internally”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Protamine sulphate is the correct answer to “. . . . . . . . is a compound which is frequently used for DNA removal.”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Both A and B is the correct answer to “Which among them is a cofactor:”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Absolute specificity is the correct answer to “What kind of specificity does glucose oxidase exhibit”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

True is the correct answer to “All proteins are not enzymes.”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

False is the correct answer to “Mortar and pestle, french press and homogenizer are widely used to lyse the cells by ultrasonication.”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Regiospecificity is the correct answer to “Enzymes discriminate between similar parts of same molecules. This is termed as . . . . . . . .”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Apoenzyme is the correct answer to “The enzyme minus its coenzyme known as:”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Chymotrypsin is the correct answer to “Zn +2 is an inorganic activator for enzymes:”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

True is the correct answer to “Freezing technique is not preferred unless otherwise there is a need.”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Substrate is the correct answer to “The . . . . . . . . inhibition gives the following rate equation. $$V = {{{V_{\max }}\left[ S \right]} \over {{K_m} + \left[ S \right]\left( {1 + {{\left[ S \right]} \over {{K_s}}}} \right)}}$$”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Cetyl triethyl ammonium bromide is the correct answer to “Which of the following is cationic detergent”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

True is the correct answer to “Enzymes are amphoteric molecules.”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Enzyme precursor is the correct answer to “Zymogen or proenzyme is a:”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Competitive is the correct answer to “The following rate equation represents . . . . . . . . inhibition. $$V = {{{V_{\max }}\left[ S \right]} \over {{K_m}\left( {1 + {I \over {{K_i}}}} \right) + \left[ S \right]}}$$”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Proteins is the correct answer to “Enzymes are made Up of:”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Osmotic shock is the correct answer to “The techniques which adopts the hypertonic and hypotonic condition for cell lysis is referred to as . . . . . . . .”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Prokaryote is the correct answer to “Phytanase can be extracted only from . . . . . . . . species.”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Enzymes is the correct answer to “Catalyst discovered from biological sources are referred to as . . . . . . . .”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Transferases is the correct answer to “Enzymes that catalyze the transfer of atom or group between two molecules is known as . . . . . . . .”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Detergent is the correct answer to “In . . . . . . . . treatment, certain molecules interact through ionic or Vander wall forces which leads to solubilization of phospholipids and lipoprotein which in turn, increases membrane permeability directing to cell lysis.”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Reverse transcriptase is the correct answer to “Which of the following is an RNA dependent DNA synthetase”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Isoelectric point is the correct answer to “The pH at which the net charge on the enzyme molecule is zero is called . . . . . . . .”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Freezing is the correct answer to “The technique in which the cells are subjected to cold temperature of about -15° C to -25° C is referred to as . . . . . . . .”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

High productivity, less material cost is the correct answer to “Which of the following is an advantage of enzymes over chemical catalysts”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.

Lowers to 0.5 Vmax and 0.5 Km is the correct answer to “What happens to V max and K m in case of uncompetitive inhibition when I = K i '”. This question is standard in competitive examination syllabi for Enzyme Engineering In Biotechnology.