Live Education Quiz

9th Biology Chapter6 Enzymes

Sr #QuestionsABCD
1

Lock and key model was proposed in:

1894 1896 1898 1890
2

Activation energy is required to:

Activate enzyme Start a reaction Speed up a reaction None
3

Term “metabolism” derived from the Greek words means:

Split Change Division Break
4

Which enzyme converts lipids into fatty acid and glycerol?

Lipase Amylase Pepsin Trypsin
5

The concept of mechanism was first of all given by:

Ibn e Nafees Winhelm Kuhne Emil Fischer Daniel Koshland
6

Optimum temperature for enzymes in human body is:

36°C 37°C 38°C 40°C
7

Which enzyme breaks the peptide bond?

Amylase Protease Lipase None
8

Enzyme that acts on lipid is called:

Protease Lipase Amylase Pepsin
9

Which enzymes are used in dish washing to remove resistant starch residues?

Protease Amylase Lipase All of these
10

Molecule on which enzymes act is called:

Substrate Co-enzyme Protein Substrate-enzyme complex
11

Which one is an organic cofactor?

Flavin Heme Both 1 & 2 None
12

Catalytic region of enzyme is called:

Cofactor Coenzyme Prosthetic group Active site