MCQs on Allosteric Enzyme

NEET Biology is the scoring paper in the medical entrance examination. Here, you will discover the NEET Biology MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Biology objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Biology Allosteric Enzyme Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.

MCQs on Allosteric Enzyme

1. The control and regulation of biological processes involve some enzymes. They are known as
(a) inhibitors
(b) regulators
(c) allosteric enzymes
(d) activators

Answer

Answer: (c)


2. What are the non-substrate molecules binding to the allosteric sites called?
(a) allosteric substrate
(b) reactants
(c) allosteric modulators
(d) inhibitors

Answer

Answer: (c)


3. Allosteric enzymes are
(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 enzyme

Answer

Answer: (d)


4. Allosteric enzymes consist of several
(a) polypeptide chains
(b) inhibitors
(c) temperature ranges
(d) active sites

Answer

Answer: (a)


5. Allosteric enzymes possess
(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

Answer

Answer: (d)


6. Enzymes that are involved in the feedback inhibition are known as
(a) Apoenzymes
(b) Holoenzymes
(c) Allosteric enzymes
(d) Coenzymes

Answer

Answer: (c)


7. Blocking of enzyme action by blocking its active sites is
(a) feedback inhibition
(b) allosteric inhibition
(c) competitive inhibition
(d) non-competitive inhibition

Answer

Answer: (c)


8. The “Lock and key” theory of enzyme action was put forward by
(a) Koshland
(b) Fischer
(c) Kuhne
(d) Arrhenius

Answer

Answer: (b)


9. The fastest enzyme is
(a) carbonic anhydrase
(b) pepsin
(c) DNA polymerase
(d) DNA gyrase

Answer

Answer: (a)


10. The allosteric enzymes on the top of active sites contain
(a) substrate
(b) inhibitors
(c) polypeptide chains
(d) allosteric site

Answer

Answer: (d)


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