WorksheetsQuiz - 1 - Enzymes
Total questions: 17
Worksheet time: 3mins
1. Enzymes are _____________ in nature
Carbohydrate
Protein
Lipid
Vitamin
2._________ isolated the enzyme Zymase from yeast
Andrew
Buchner
Colin
David
3. James Sumner isolated and crystallized Urease enzyme from ________________
Pineapple
Pear
Jack fruit
Jack bean
4.Who coined the word enzyme?
Wilhelm Kuhne
Alfred Russel
Robert Koch
Rosalind Franklin
5.Are enzymes are specific in their nature
Yes
No
6.Which of the following statement is/are correct about Enzyme
An Enzyme is a protein and is used as a catalyst to accelerate the reaction.
Life would not exist without the presence of enzymes.
Enzymes participate in cellular metabolic processes.
. All the above
7.E.C number consists of
class, sub class, order, serial number
class, sub class, sub-sub class, family
class, sub class, family, genus
class, sub class, sub-sub class, serial number
8.IUB classify the enzymes based on their
Region specificity
Reaction specificity
Muta rotation
Stereo chemistry
9.___________ are the enzymes retain their old traditional nomenclature
Ptyalin, pepsin, rennin
Ptyalin, pepsin, lipase
pepsin, rennin, amylase
Rennin, pepsin, sucrase
10.Name an enzyme which is not proteinaceous in nature?
Cellulases
Xylanases
Ribozyme
Peptidiase
11.Enzymes change the ______ of a chemical reaction
Rate
Reactants
Product
Yield
12.Name the enzyme which catalyzes the oxidation-reduction reaction?
Oxidoreductase
Transferases
Hydrolases
Ligases
13.Enzyme increases the rate of reaction by lowering the activation energy.
True
False
14.What is the function of phosphorylase?
Transfer inorganic phosphate
Transfer a carboxylate group
Use H2O2 as the electron acceptor
Transfer amino group
15.Which of the following reaction is catalyzed by Lyase?
Breaking of bonds
Formation of bonds
Intramolecular rearrangement of bonds
Transfer of group from one molecule to another
16.Enzyme catalyzing rearrangement of atomic groupings without altering molecular weight or number of atoms is
Transferases
Hydrolases
Isomerases
Ligases
17.An enzyme that joins the ends of two strands of nucleic acid is
Hydrolases
Ligases
Lyases
Oxidr-reductases
