Live Education Quiz

9th Biology Chapter6 Enzymes

Sr #QuestionsABCD
1

Activation energy is required to:

Activate enzyme Start a reaction Speed up a reaction None
2

Enzyme that acts on lipid is called:

Protease Lipase Amylase Pepsin
3
4

Optimum temperature for enzymes in human body is:

36°C 37°C 38°C 40°C
5

Molecule on which enzymes act is called:

Substrate Co-enzyme Protein Substrate-enzyme complex
6

Which enzyme converts lipids into fatty acid and glycerol?

Lipase Amylase Pepsin Trypsin
7

Starch is broken down by an enzyme called:

Lipase Pepsin Amylase All of these
8

Who first used the term enzyme?

Winhelm Kuhne Daniel Koshland Emil Fischer Ibn-e-Nafees
9

Lock and key model was proposed in:

1894 1896 1898 1890
10

Which enzyme breaks the peptide bond?

Amylase Protease Lipase None
11

Chemically enzymes are:

Protein Carbohydrates Lipids Fats
12

Catalytic region of enzyme is called:

Cofactor Coenzyme Prosthetic group Active site