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11th Standard Botany - Respiration English Medium Free Online Test One Mark Questions 2020 - 2021

11th Standard

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Botany

Time : 00:10:00 Hrs
Total Marks : 10

    Answer all the questions

    10 x 1 = 10
  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. Which of the following reaction is not involved in Krebs cycle

    (a)

    Shifting of phosphate from 3C to 2C

    (b)

    Splitting of Fructose 1,6 bisphosphate of into two molecules 3C compounds

    (c)

    Dephosphorylation from the substrates

    (d)

    All of these

  3. In succulent plants respiratory quotient is always less than one because of

    (a)

    complete oxidation

    (b)

    complete reduction

    (c)

    incomplete reduction 

    (d)

    incomplete oxidation

  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. Match the following and choose the correct option:

    (a)
    Column A Column B
    Molecular oxygen \(\alpha\)-ketoglutaric acid
    (b)
    Column A Column B
    Complex IV Cytochrome c oxidase
    (c)
    Column A Column B
    Pyruvate dehydrogenase Cytochrome c
    (d)
    Column A Column B
    Decarboxylation Citric acid
  7. Match the following.

    a. Isocitrate i) 4C Compound
    b. Succinate ii) 5C Compound
    c. Pyruvate iii) 6C Compou
    d. a-ketoglutarate iv) 3C Compound
    (a)

    a-iv ,b-iii ,c-i ,d-ii

    (b)

    a-ii, b-i, c-iii, d-iv

    (c)

    a-iii, b-i, c-iv, d-ii

    (d)

    a-i ,b-ii ,c-iii ,d-iv

  8. The term respiration was coined by_______________.

    (a)

    Krebs 

    (b)

    Pepys

    (c)

    Mitschell

    (d)

    Blackman

  9. ATP was discovered by______________.

    (a)

    Pepys

    (b)

    Krebs

    (c)

    Lohman

    (d)

    Hill

  10. ____________is a small lipid soluble electron proton carrier located in inner membrane of mitochondria.

    (a)

    FMP

    (b)

    FAD

    (c)

    UQ

    (d)

    Cyt b6

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