Biology- 11 Chapter 3
Enzymes - 11
1.
The enzyme which form green papaya is known as?
a) Pepsin
b) Catalase
c) Arginase
d) Papain
2.
Papain acts in?
a) Acidic medium
b) Both of these
c) Basic medium
d) None of these
3.
When enzyme concentration is increases, the rate of reaction?
a) Increases
b) Inactivates
c) Stops at all
d) Decreases
4.
With the increase in substrate concentration, the enzymatic reaction?
a) Inactivated
b) Decreases
c) Stops at all
d) Increases
5.
Beyond a certain level, further increase in substrate concentration leads to?
a) Denaturation of enzymes
b) Decrease in enzymatic reaction
c) Increase in enzymatic reaction
d) Activation of enzymatic reaction
6.
Nomenclature means?
a) Counting the enzymes
b) Naming the enzymes
c) Reactions of enzymes
d) Identification of enzymes
7.
Many enzymes have a suffix of ___ at the end of thier names?
a) Nase
b) Ose
c) Ase
d) Ise
8.
The chemical substances which inhibit the activity of enzymes are called as?
a) Fats
b) Hormones
c) Toxins
d) Inhibitors
9.
Which one of the following is an inhibitor of enzymes?
a) Cyanides
b) Antibodies
c) Poisons
d) All of these
10.
The phenomenon in which the inhibitor competes with the substrate molecule for binding the active site of an enzyme is known as?
a) Competetive inhibition
b) Irreversible inhibition
c) Reversible inhibition
d) Non competetive inhibition
11.
Penicillin blocks the active site of an enzyme unique to?
a) B and c are correct
b) Virus
c) Humans
d) Bacteria
This is more feedback!
This is the feedback!
