Question # 1

Induced Fit model was proposed by:

Choose an answer

Emil Fischer

Melcher

Koshland

Saugeo

The first step in the cycle of an enzyme is;

Choose an answer

Substrate binds to enzyme

Substrate converted

Products released

Enzyme become free

Lock and key model was proposed by:

Choose an answer

Emil Fischer

Melcher

Koshland

Saugeo

An enzyme, which breaks down starch is:

Choose an answer

Protease

Amylase

Tripsn

Lipase

Prosthetic by all enzymes :

Choose an answer

Required by all enzymes

Loosely attached with enzymes

Proteins In nature

Tightly bound to enzyme

When we add more substrate to an already occuring enzymatic reaction and there is no increase in the rate of reaction, what would you predict?

Choose an answer

All actives sites have been occupied by substrate molecules

The enzyme molecule have denatured

More substrate acted as inhibitor

More substrate has disturbed has disturbed the pH of the medium

The building units of enzymes are:

Choose an answer

Fatty acids

Glycerol

Nucleic acid

Amino acid

When an enzyme is no longer able to work, it is said to be:

Choose an answer

Catalyzed

Dead

Cofactored

Denatured

metabolism is the some of the ................. proesses.

Choose an answer

Chemical

Physical

Both

None

Prosthetic groups are:

Choose an answer

Required by all enzymes

Loosely attached with enzymes

Proteins in nature

Tightly bound to enzyme

Vitamin which acts as co-enzyme is:

Choose an answer

Vitamin A

Vitamin K

Riboflavin

All of these

Which enzyme works in stomach?

Choose an answer

Lipase

Trypsin

Pepsin

Amylase

To what category of molecules do enzymes belong?

Choose an answer

Carbohydrates

Lipids

Nucleic acids

Proteins

More Classes

Other Links

9th Class Biology Chapter 6 Enzymes English Medium KPK Boards Online Mcqs MCQs With Answers

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer

Choose an answer