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Respiration in ...

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  • Question 1
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    Select the wrong statement with respect to glycolysis.

  • Question 2
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    Which of the following steps during glycolysis is associated with utilization of ATP?

  • Question 3
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    Which of the following conversions involve ATP synthesis during glycolysis?

  • Question 4
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    The flow chart given below shows the steps in glycolysis. Select the option that correctly fills in the missing steps A, B, C, and D.


  • Question 5
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    Fate of pyruvic acid during aerobic respiration is

  • Question 6
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    Substrate level phosphorylation occurs during which step of Krebs' cycle?

  • Question 7
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    The first 5C dicarboxylic acid in Krebs' cycle which is used in nitrogen metabolism is

  • Question 8
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    Kreb’s cycle is also called metabolic sink as it is a common pathway for:

  • Question 9
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    When two molecules of acetyl CoA enter the TCA cycle, net gain at the end of the cycle is

  • Question 10
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    Which is true about the end products of glycolysis?

  • Question 11
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    Seeds respire in the

  • Question 12
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    The respiration in germinating seeds produces energy, which can be detected in the form of

  • Question 13
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    Site of Krebs' cycle in mitochondria is

  • Question 14
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    In Krebs cycle the FAD participates as electron acceptor during the conversion of

  • Question 15
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    Krebs' cycle starts with the formation of a six carbon compound by reaction between

  • Question 16
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    Alternate name of Krebs' cycle is

  • Question 17
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    Read the given statements and select the correct option.
    Statement 1:
    Glycolysis occurs in mitochondrial matrix.
    Statement 2: Kerbs' cycle occurs on cristae of mitochondria.

  • Question 18
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    Categories the given equations under respective phases and select the correct option.

  • Question 19
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    Respiratory pathway is

  • Question 20
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    Which of the following steps of respiration is amphibolic?

  • Question 21
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    Read the given statements and select the correct option.
    Statement 1: 
    Mitochondria is known as power house of cell.
    Statement 2: ATP synthesis occurs in mitochondria.

  • Question 22
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    Refer to the given figure and select the correct option for A,B,C and D.

  • Question 23
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    All enzymes of TCA cycle are located in the mitochondrial matrix except one which is located in inner-mitochondrial membranes in eukaryotes and in cytosol in prokaryotes. This enzyme is

  • Question 24
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    Which of the following cellular metabolic processes can occur both in the presence or absence of O2?

  • Question 25
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    Consider the first reaction of TCA cycle.

    What is true about compound A?

  • Question 26
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    Rise in the water level from X to Y in the given experimental set-up demonstrates

  • Question 27
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    Which of the following is a 4-carbon compound?

  • Question 28
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    Select the wrong statement

  • Question 29
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    During complete metabolism of glucose, the number of ATP formed is

  • Question 30
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    Read the given statements and select the correct option.
    Statement 1:
    During photophosphorylation (of photosynthesis), light energy is utilised for the production of a proton gradient during ATP synthesis.
    Statement 2: In respiration, the energy of oxidation-reduction is utilised for the phosphorylation and thus the process is called oxidative phosphorylation.

  • Question 31
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    Electron transport chain (ETC) is a set of ______ electron carriers present in a specific sequence along ______ mitochondrial membrane.

  • Question 32
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    During the process of aerobic respiration, (i) gets oxidised and its electrons get transferred to the electron transport chain while in photosynthesis, (ii) gets oxidised to transfer molecules to the electron transport chain.

  • Question 33
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    Select the option that correctly fills the blanks in the following statements.
    A. Glucose has (i) carbon atoms, pyruvic acid has (ii) carbon atoms and the acetyl group has (iii) carbon atoms.
    B. Electrons enter the electron transport system as parts of hydrogen atoms attached to (i) and (ii).

  • Question 34
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    Amount of energy released during hydrolysis of a high energy bond of ATP is

  • Question 35
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    Select the correct statements.
    (i) Between temperature range 0−25C, rate of respiration doubles for every 10C rise in temperature.
    (ii) Cytochromes are iron-porphyrin compounds.
    (iii) Respiratory rate of wounded or injured plant parts generally decreases.

  • Question 36
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    Which of these are respiratory poisons or inhibitors of ETC?

  • Question 37
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    How many ATP molecules will be generated in a plant system during the complete oxidation of 40 molecules of glucose?

  • Question 38
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    Select the wrong statement -

  • Question 39
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    In the electron transport system present in the inner mitochondrial membrane, complexes I and IV are respectively:

  • Question 40
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    Match column I with column II and select the correct option from the codes given below.

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