Live Education Quiz

9th Biology Chapter6 Enzymes

Sr #QuestionsABCD
1

Chemically enzymes are:

Protein Carbohydrates Lipids Fats
2

Who proposed induced-fit model?

Winhelm Kuhne Daniel Koshland Emil Fischer Ibn-e-Nafees
3

Number of discovered enzymes are:

200 2000 3000 3500
4
5

The concept of mechanism was first of all given by:

Ibn e Nafees Winhelm Kuhne Emil Fischer Daniel Koshland
6

In which year the induced-fit model was proposed?

1952 1954 1956 1958
7

Molecule on which enzymes act is called:

Substrate Co-enzyme Protein Substrate-enzyme complex
8

Starch is broken down by an enzyme called:

Lipase Pepsin Amylase All of these
9

Catalytic region of enzyme is called:

Cofactor Coenzyme Prosthetic group Active site
10

Which enzyme converts lipids into fatty acid and glycerol?

Lipase Amylase Pepsin Trypsin
11

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

Protease Amylase Lipase All of these
12

Who proposed lock and key model?

Winhelm Kuhne Daniel Koshland Emil Fischer Ibn-e-Nafees