Classification and factor affecting enzyme – basic level mcq

Classification and factor affecting enzyme – basic level mcq

Dear Readers,

Compared to other sections, botany is considered to be the most scoring section. If prepared thoroughly, botany can help students to secure a meritorious position in the exam. These questions are very important in achieving your success in Exams after 12th.

Q1.  Basically how many types of enzymes have been recognised by international Union of Biochemistry 1961

•  4
•  5
•  6
•  8

6

Q2. In the modern system of nomenclature which one of the following enzyme occupies Ist position

•  Oxidoreductase
•  Transferase
•  Hydrolase
•   Ligase

Oxidoreductase

Q3. In the modern system of nomenclature which one of the following enzyme occupies 6th position

•  Ligase
•  Isomerase
•  Lyase
•  Hydrolase

Ligase

Q4. In the modern system of enzyme nomenclature each class is divided into

•  2 to 4 sub classes
•  4 to 13 sub classes
•  6 to 15 sub classes
•  8 to 20 sub classes

4 to 13 sub classes

Q5. Term-ase is used for

•  Classification of enzymes
•  Enzymes with special function
•  Nomenclature of enzymes
•  All the above

Nomenclature of enzymes

Q6. Systematic approach of naming enzymes has been recommended by the Commission on Enzymes of the

•  International Union of Physiology
•   International Union of Biochemistry
•   International Union of Biotechnology
•   International Union of Genetic Engineering

International Union of Biochemistry

Q7. Hydrogen is removed from a substrate with the help of enzyme

•  Lipase
•  Decarboxylase
•  Protease
•  Dehydrogenase

Dehydrogenase

Q8. Epimerase belongs to the class of enzymes

•  Hydrolases
•  Ligases
•  Isomerases
•  Oxidoreductases.

Isomerases

Q9. Enzymes catalysing bonding of two components with the help of ATP are

•  Transferases
•  Ligases
•  Lyases
•  Phosphorylases

Ligases

Q10. Most of the digestive enzymes belong to the class of

•   Lyases
•  Hydrolases
•  Oxidoreductases
•  Transferases

Hydrolases