Objective Questions of Respiration

Multiple Choice Questions (MCQs)

  1. Number of CO2 molecules used released during respiration.

(a) 2                 (b) 5                           (c) 6                 (d) I

2          Net number of ATP produced during glycolysis:

(a) 2                 (b) 3                       ‘    (c) 5                 (d) 6

  1. Which of following causes breakdown of F- 6- P:

(a) Hexokinase (b)Glucokinase           (c) Aldolase      (d) Enolase

  1. The name of glycolysis derives from the action of:

(a) Hexokinase (b) Glucokinase          (c) Aldolase      (d) Enolase

  1. Number of ATP produced during investment phase of glycolysis is:

(a) 2                 (h) 5                            (c)0                  (d) I

  1. Number of ATP formed during oxidative phase of glycolysis:

(a) 2                 (b) 3                           (c) 6

  1. The enzyme which causes change in position of phosphate is:

(a) Mutase        (b) Cilucokinase          (c) Aldolase      ((I) •nclase

  1. Number of NADH formed by the Krebs cycle of onemolecules of glucose are:

    (a) 2                 (b) 3                            (c) 6                 (d) 4

    1. Number of ATP formed by the Krebs cycle of one molecules of glucose are:

    (a) 2                 (b) 3                            (c) 6                 (d) 4

    1. Number of FADH formed by the Krebs cycle of one
      molecules of glucose are:

    (a) 2                 (b) 3                            (c) 6                 (d) 4

    1. FADH is formed during breaking of:

    (a) Succinate (b) Succinyl CoA                (c) Fumarate     (d) Malate

    1. Oxaloacetate is formed during breaking of:

    (a) Succinate (b) Succinyl CoA                (c) Fumarate     (d) Malate

  1. Number of NADH formed during Krebs cycle of one acetyl

CoA:


----------------------------


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(a) 5                 (b) 2                            (c) 3                 (d) 4

  1. Number of ATP formed by oxidation of one molecules of
    glucose are:
(a) 24               (b) 65                          (c) 34 (d) 36  
  1. Respiratory Quotient for glucose is:
   
(a) I                 (b) 2                            (c) 0.5 (d) 4  
  1. Respiratory Quotient for fats is:
   
(a) I                 (b) 2                            (c) 0.5 (d) 0.7  
  1. Respiratory Quotient for organic acid is:
   
t a) 1                (b) 2                            (c) 0.5 (d) 4  
Answers    
  1. (c)   2. (a)    3. (c)    4. (c)    5. (c)   6. (d)    7. (a)
8. (c) 9. (a)
10. (a)11, (b)  12. (d)  13. (c)  14. (d)  IS. (a)   16. (d) 37. (d)  

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