Biology- 11 Chapter 3
Enzymes - 1
1.
Who were the chemists who grounded up barley seeds in water to make a crude mixture that would digest starch
a) Payen and Prosoz
b) Payer and Persoz
c) Payen and Peroze
d) Payen and Persoz
2.
Two chemists Payen and Persoz belong to which country?
a) Greece
b) UK
c) USA
d) France
3.
What was the name given to the crude mixture that would digest starch, made by Payen and Persoz?
a) Distaste
b) Datasate
c) Diataste
d) Diastase
4.
The sum of all the chemical reactions going on in cell is known as?
a) Diataste
b) Metabolism
5.
Metabolism is divided into two types?
a) Diataste
b) Anabolism and catabolism
6.
There are chains of reactions going on in the cells called?
a) Metabolic pathways
b) Metabolic
7.
It may take months or years to complete the reactions but the reactions take place very quickly in the cells. How?
a) It is due to metabolic pathways
b) It is due to Catabolism
c) It is due to enzymes
d) It is due to Anabolism
8.
A substance, which speeds up a chemical reaction, but remains unchanged itself at the end?
a) Enzyme
b) Catabolism
c) Catalyst
d) Anabolism
9.
Enzymes are _______ catalysts because they are ________ made by living cells?
a) Good, proteins
b) Speeding, proteins
c) Biological, proteins
d) Biological, Enzyme
10.
The chemical on which an enzyme works is called?
a) Its Catalyst
b) Its substrate
c) A substrate
d) A Catalyst
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