MCQs for Botany 4th Semester Enzymes & Nitrogen Kashmir University

Today we have come up with the MCQs for Botany 4th Semester Enzymes & Nitrogen Kashmir University.

Qno.1 The reaction of glutamate and NH4+ to yield glutamine is catalysed by? 

A:Glutamate synthase

B:Uridylyltransferase

C:Glutamine synthase (Ans) 

D:Adenylyltransferase

Qno.2 Inactive form of pepsin which has power of destroying cells internal structure is known as? 

A:Pectin

B:Pancreatic

C:Pepsinogen(Ans)

D:Amino pectin

Qno3 Enzymes are quite sensitive to change in concentration, temperature and? 

A:Climate

B:Pressure

C:PH (Ans) 

D:Location

Qno.4 Substrate is kept at lock positions of enzyme through temporary bonds are made by the?

A:Carbon of amino chain

B:OH_group

C:R group of amino acids (Ans) 

D:Water

Qno5 Hydrophilic R group is found in the?

A:Hormones

B:Maltose

C:Glands

D:Enzyme (Ans) 

Qno6 Mechanism of enzyme activity is termed as?

A:Proteolysis

B:Hydrolysis

C:Catalysis (Ans) 

D:Hydration

Qno7 Enzyme activity can be blocked or retarded on minute disturbance in? 

A:Temperature

B:Concentration

C:Density

D:Optimum Hp (Ans) 

Qno.8 Non-Protein part of an enzyme is called?

A:Co-Factor (Ans) 

B:Substrate

C:Activator

D:Co-Enzyme

Qno.9 In lock and key hypothesis, Substrate is the?

A:Lock

B:Key

C:Neither key nor lock

D:It’s simply substrate

Qno.10 If concentration of an enzyme is increased by two fold, rate of reaction would be?

A:Triple

B:Double (Ans) 

C:Half

D:Ceased