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MCQs

Total Questions : 59 | Page 1 of 6 pages
Question 1. The catalytic region in which a small portion of molecules are involved in catalysis is called
  1.    duplication site
  2.    absorption site
  3.    active site
  4.    inactive site
 Discuss Question
Answer: Option C. -> active site
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 2. The kind of molecules at which the enzymes act are classified as
  1.    solutes
  2.    concentrates
  3.    nitrates
  4.    substrates
 Discuss Question
Answer: Option D. -> substrates
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 3. The model which states that specific shapes are possessed by substrate and enzyme is known as
  1.    deduction model
  2.    induction model
  3.    lock and key model
  4.    arrow and shield model
 Discuss Question
Answer: Option C. -> lock and key model
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 4. The model proposed by Emil Fischer is known as
  1.    arrow and shield model
  2.    deduction model
  3.    induction model
  4.    lock and key model
 Discuss Question
Answer: Option B. -> deduction model
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 5. The regulators of enzymatic reactions are classified as
  1.    activators only
  2.    converters only
  3.    inhibitors
  4.    activators and converters
 Discuss Question
Answer: Option D. -> activators and converters
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 6. The vibrations of atoms of enzymes is increased and leads to the loss of
  1.    nucleated structure of atoms
  2.    solvent structure of enzymes
  3.    solute structure of enzymes
  4.    globular structure of enzymes
 Discuss Question
Answer: Option D. -> globular structure of enzymes
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 7. The catabolism is related to
  1.    release of energy
  2.    absorption of energy
  3.    release of water
  4.    absorption of water
 Discuss Question
Answer: Option A. -> release of energy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 8. The optimum temperature of working of human enzymes is
  1.    52 ° C
  2.    47 ° C
  3.    37 ° C
  4.    42 ° C
 Discuss Question
Answer: Option C. -> 37 ° C
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 9. The energy required in chemical reactions is called
  1.    solvent energy
  2.    activation energy
  3.    enzymatic energy
  4.    catalysis energy
 Discuss Question
Answer: Option B. -> activation energy
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!
Question 10. All the enzymes are considered as
  1.    oxygen based acids
  2.    carbon based acids
  3.    nitrogen based acids
  4.    proteins
 Discuss Question
Answer: Option D. -> proteins
NO EXPLANATION IS AVAILABLE FOR THIS QUESTION!

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