List of top Biology Questions on Enzymes

Inhibition of Succinic dehydrogonase enzyme by malonate is a classical example of:

Match List I with List II:

List I		List II
A	GLUT-4	I	Hormone
B	Insulin	II	Enzyme
C	Trypsin	III	Intercellular ground substance
D	Collagen	IV	Enables glucose transport into cells

Choose the correct answer from the options given below:

Match List I with List II

List I		List II
A	α –I antitrypsin	I	Cotton bollworm
B	Cry IAb	II	ADA deficiency
C	Cry IAc	III	Emphysema
D	Enzyme replacement therapy	IV	Corn borer

Choose the correct answer from the options given below:

The cofactor of the enzyme carboxypeptidase is :

Restriction enzymes that recognize the same nucleotide sequence but cleave at different positions are called

$K_m$ and $V_{max}$ of an enzyme preparation are 5 µM and 30 $µM min^{-1}$ respectively. Considering, $K_i$ value of competitive inhibitor is 60 µM, the velocity ($V_0$) of this enzyme-catalyzed reaction in the presence of 200 µM of substrate and 600 µM of competitive inhibitor is _______ $ µM min^{-1}$ (rounded off to two decimal places).

For an enzyme following Michaelis-Menten kinetics, when \([S]=K_M\) then, the velocity v is 
([S] is substrate concentration, \(K_M\) is Michaelis constant, \(V_{max}\) is maximal velocity)

Which of the following enzymes is absent in a person suffering from Alkaptonuria?

Which enzyme synthesizes Okazaki fragments in eukaryotic cells ?

What is the source of Taq polymerase enzyme used in PCR ?

Enzyme involved in crossing over

The term "Molecular Scissors" refers to

The given graph represents

Enzyme which is useful to remove the oily stains in laundry?

Match LIST I with LIST II

Column I		Column II
A	Eosinophils	I	Immune response
B	Basophils	II	Phagocytosis
C	Neutrophils	III	Release histaminase, destructive enzymes
D	Lymphocytes	IV	Release granules containing histamine

The enzyme enterokinase helps in conversion of:

Bile juice contains which enzyme?

Match the digestive glands given in Column-I with their respective enzymes given in Column-II and choose the correct combination from
the given options.

Column-I		Column-II
1	Pancreas	p	Pepsin
2	Gastric glands	q	Enterokinase
3	Small intestine	r	Ptyalin
4	Salivary glands	s	Trypsin

Choose the correct options :

Consider the following statements:
(A) Coenzyme or metal ion that is tightly bound to enzyme protein is called prosthetic group. 
(B) A complete catalytic active enzyme with its bound prosthetic group is called apoenzyme. 
Select the correct option.

Cdk -inhibitor inhibit :

Which of these statements is incorrect ?

Nissl bodies are mainly composed of

Select the option which is not correct with respect to enzyme action:

Transition state structure of the substrate formed during an enzymatic reaction is

Isoenzymes can be best defined as