Biology MCQ on Allosteric Enzyme for NEET and Medical Exam 2021
MCQ on Allosteric Enzyme: Biology is one of the most important and vital sections in NEET. It includes theories, descriptions, discoveries, diagrams, definitions, explanation of differences and relations. Most of the concepts covered in the NEET syllabus are from the NCERT syllabus of Class 11 & 12. Other related sources make up for the rest of the syllabus.
In this post we are providing you MCQ on Allosteric Enzyme which will be beneficial for you in upcoming NEET, AIIMS, JIPMER, PGIMER, CBSE Board, ICSE Board, Class 12th, 11th.
MCQ on Allosteric Enzyme
Q1. The “Lock and key” theory of enzyme action was put forward by (b) Fischer
a) Koshland
b)Fischer
c) Kuhne
d) Arrhenius
Q2. Allosteric enzymes possess (d) Active site and an allosteric site
a) Three types of allosteric sites
b) Active site and three types of allosteric sites
c) Active site and two types of allosteric sites
d) Active site and an allosteric site
Q3. Enzymes that are involved in the feedback inhibition are known as (c) Allosteric enzymes
a) Apoenzymes
b) Holoenzymes
c) Allosteric enzymes
d) coenzymes
Q4. The control and regulation of biological processes involve some enzymes. They are known as (c) allosteric enzymes
a) inhibitors
b) regulators
c) allosteric enzymes
d) activators
Q5. The fastest enzyme is (a) carbonic anhydrase
a) carbonic anhydrase
b) pepsin
c) DNA polymerase
d) DNA gyrase
Q6. Allosteric enzymes consist of several (a) polypeptide chains
a) polypeptide chains
b) inhibitors
c) temperature ranges
d) active sites
Q7. What are the non-substrate molecules binding to the allosteric sites called? (c) allosteric modulators
a) allosteric substrate
b) reactants
c) allosteric modulators
d) inhibitors
Q8. The allosteric enzymes on the top of active sites contain (d) allosteric sites
a) substrate
b) inhibitors
c) polypeptide chains
d) allosteric sites
Q9. Blocking of enzymes action by blocking its active site is (c) competitive inhibition
a) feedback inhibition
b) allosteric inhibition
c) competitive inhibition
d) non- competitive inhibition
Q10. Allosteric enzymes are (d) larger and more complex than simple enzymes
a) smaller than simple enzymes
b) larger than simple enzymes
c) smaller than simple enzymes but not complex
d) larger and more complex than simple enzymes
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