Bio - Botany - Respiration Model Question Paper

11th Standard

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Biology

Time : 02:00:00 Hrs
Total Marks : 50
    5 x 1 = 5
  1. The number of ATP molecules formed by complete oxidation of one molecule of pyruvic acid is

    (a)

    12

    (b)

    13

    (c)

    14

    (d)

    15

  2. The compound which links glycolysis and Krebs cycle is

    (a)

    succinic acid

    (b)

    pyruvic acid

    (c)

    acetyl CoA

    (d)

    citric acid

  3. In Pulses RQ will be

    (a)

    One

    (b)

    less than one

    (c)

    more than one

    (d)

    zero

  4. Succinate dehydrogenase enzyme is found in mitochondrial

    (a)

    inner membrane

    (b)

    outer membrane

    (c)

    matrix

    (d)

    all the above

  5. The number of O2 molecules required for breaking down of one molecule of glucose forglycolysis.

    (a)

    2

    (b)

    4

    (c)

    5

    (d)

    6

  6. 6 x 2 = 12
  7. Respiratory quotient is zero in succulent plants. Why?

  8. Draw the structure of energy currency of cell.

  9. How did Blackman classify respiration?

  10. What is EMP Pathway?

  11. What does 'climacteric' refer to?

  12. What is Respiratory quotient?

  13. 6 x 3 = 18
  14. What are enzymes involved in phosphorylation and dephosphorylation reactions in EMP pathway?

  15. What is compensation point?

  16. What is the significance of RQ?

  17. What is Enolation?

  18. What is the significance of Kreb's cycle?

  19. Write the importance of direct oxidative pathway.

  20. 3 x 5 = 15
  21. Explain the reactions taking place in the mitochondrial inner membrane.

  22. What is the name of the alternate way of glucose breakdown? Explain the process involved in it?

  23. Differentiate aerobic respiration from anaerobic respiration.

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