NEET Biology Respiration In Plants Question Bank

done Krebs Cycle and ETS Total Questions - 85

• question_answer1)
  Kreb's has been awarded Nobel Prize in 1953 for explaining
  A)
  Energy forming process in the cell done clear
  B)
  ATP metabolism done clear
  C)
  Respiration chain done clear
  D)
  Oxidation of cytoplasm done clear
  View Solution play_arrow

• question_answer2)
  The product formed by maleic dehydrogenase is
  A)
  Maleic acid done clear
  B)
  Fumaric acid done clear
  C)
  Oxaloacetic acid done clear
  D)
  Succinic acid done clear
  View Solution play_arrow

• question_answer3)
  In presence of TPP and carboxylase, pyruvic acid is transformed into
  A)
  Acetaldehyde and\[C{{O}_{2}}\] done clear
  B)
  Ethyl alcohol and\[C{{O}_{2}}\] done clear
  C)
  Citric acid and\[C{{O}_{2}}\] done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer4)
  TCA cycle is a
  A)
  Direct oxidation pathway done clear
  B)
  Indirect oxidation pathway done clear
  C)
  Both [a] and [b] done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer5)
  Hydrogen of malate is accepted by
  A)
  FAD done clear
  B)
  FMN done clear
  C)
  NAD done clear
  D)
  COQ done clear
  View Solution play_arrow

• question_answer6)
  Which of the coenzyme is used in acetylation reaction
  A)
  CoA done clear
  B)
  FAD done clear
  C)
  FMN done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer7)
  Ferredoxin is a
  A)
  Protein done clear
  B)
  Fat done clear
  C)
  Phenol done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer8)
  Which intermediate compound is involved in the synthesis of amino acids
  A)
  Malic acid done clear
  B)
  Citric acid done clear
  C)
  \[\alpha -\]ketogluteric acid done clear
  D)
  Isocitric acid done clear
  View Solution play_arrow

• question_answer9)
  In ATP molecule energy is stored in
  A)
  Chemical bonds done clear
  B)
  Hydrogen bonds done clear
  C)
  Carbon bonds done clear
  D)
  Pyrophosphate bonds done clear
  View Solution play_arrow

• question_answer10)
  The process by which the energy of glucose is released under aerobic respiration was discovered by
  A)
  Hopkins done clear
  B)
  Lister done clear
  C)
  Kreb's done clear
  D)
  Pasteur done clear
  View Solution play_arrow

• question_answer11)
  Kreb's cycle is termed as the aerobic phase of respiration because
  A)
  It consumes oxygen done clear
  B)
  Oxygen acts as a catalyst done clear
  C)
  Aerobic conditions are essential for the continued operation of electron transport system done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer12)
  Between which of the following stages GTP is formed by substrate level phosphorylation
  A)
  Succinate to fumarate done clear
  B)
  Ketoglutarate to succinate done clear
  C)
  Oxalosuccinate to glutarate done clear
  D)
  Fumarate to malate done clear
  View Solution play_arrow

• question_answer13)
  How many molecules of ATP are produced per molecule of\[FAD{{H}_{2}}\]oxidised
  A)
  One done clear
  B)
  Two done clear
  C)
  Three done clear
  D)
  Four done clear
  View Solution play_arrow

• question_answer14)
  A molecule of ATP is formed when electron passes from
  A)
  Cyt c to Cyt a done clear
  B)
  Cyt a to Cyt c done clear
  C)
  Cyt b to Cyt c done clear
  D)
  Cyt c to Cyt b done clear
  View Solution play_arrow

• question_answer15)
  Which of the following is not a part of Kreb's cycle
  A)
  Dehydrogenation done clear
  B)
  Acetylation done clear
  C)
  Oxidative phosphorylation done clear
  D)
  Decarboxylation done clear
  View Solution play_arrow

• question_answer16)
  The number of steps required for oxidation of one molecule of pyruvic acid is
  A)
  5 done clear
  B)
  6 done clear
  C)
  3 done clear
  D)
  12 done clear
  View Solution play_arrow

• question_answer17)
  Kreb's cycle is also known as [NCERT 1975; EAMCET 1981; BHU 1978]
  A)
  Glyoxylate cycle done clear
  B)
  EMP pathway done clear
  C)
  Citric acid cycle done clear
  D)
  Glycolate cycle done clear
  View Solution play_arrow

• question_answer18)
  Synthesis of ATP in mitochondria require [BHU 1979; DPMT 1992]
  A)
  Oxygen done clear
  B)
  NADP done clear
  C)
  FMN done clear
  D)
  Pyruvic acid done clear
  View Solution play_arrow

• question_answer19)
  The universal hydrogen acceptor is [CPMT 1980; DPMT 1992]
  A)
  NAD (Coenzyme-I) done clear
  B)
  ATP done clear
  C)
  CoA done clear
  D)
  FMN done clear
  View Solution play_arrow

• question_answer20)
  Most of the energy in the cell is liberated by oxidation of carbohydrate when [BHU 1980]
  A)
  Pyruvic acid is converted into\[C{{O}_{2}}\]and\[{{H}_{2}}O\] done clear
  B)
  Pyruvic acid is converted into Acetyl\[CoA\] done clear
  C)
  Sugar is converted into pyruvic acid done clear
  D)
  Glucose is converted in alcohol and\[C{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer21)
  Complete oxidation of 1 gm molecule of glucose gives rise to [CPMT 1980; MP PMT 1991]
  A)
  68,60,000 cal done clear
  B)
  6,86,000 cal done clear
  C)
  68,600 cal done clear
  D)
  6,800 cal done clear
  View Solution play_arrow

• question_answer22)
  Link between glycolysis and Kreb's cycle is [CBSE PMT 1997, 2000; BHU 1982, 2000; MP PMT 1987, 89, 93, 98, 2001; CPMT 2001; BVP 2001; MHCET 2004]
  A)
  Citric acid done clear
  B)
  Acetyl CoA done clear
  C)
  Succinic acid done clear
  D)
  Oxaloacetic acid done clear
  View Solution play_arrow

• question_answer23)
  In respiration, pyruvic acid is [CPMT 1984, 88; MP PMT 1986]
  A)
  Formed only when oxygen is available done clear
  B)
  One of the product of Kreb's cycle done clear
  C)
  Broken down into two carbon fragments and\[C{{O}_{2}}\] done clear
  D)
  A result of protein breakdown done clear
  View Solution play_arrow

• question_answer24)
  Organelles which are regarded as 'Power house of the cell' and in which oxidative reaction of respiratory process take place are [CPMT 1984]
  A)
  Chloroplast done clear
  B)
  Ribosome done clear
  C)
  Mitochondria done clear
  D)
  Endoplasmic reticulum done clear
  View Solution play_arrow

• question_answer25)
  ATP synthesis occurs on the [AIIMS 1984]
  A)
  Outer membrane of mitochondrion done clear
  B)
  Inner membrane of mitochondrion done clear
  C)
  Matrix done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer26)
  The reaction of Kreb's cycle take place [CPMT 1984, 85, 88, 93, 94; BHU 1985, 88; CBSE PMT 1996; MP PMT 1997; JIPMER 2001; AIEEE 2003]
  A)
  In cytoplasm done clear
  B)
  In endoplasmic reticulum done clear
  C)
  In matrix of mitochondria done clear
  D)
  On the surface of mitochondrion done clear
  View Solution play_arrow

• question_answer27)
  Which of the following is the site of respiration within the cell [CPMT 1984; RPMT 1995; Bihar MDAT 1995; AFMC 2003]
  A)
  Ribosomes done clear
  B)
  Nucleus done clear
  C)
  Golgi body done clear
  D)
  Mitochondria done clear
  View Solution play_arrow

• question_answer28)
  Mitochondria is the site of [CPMT 1985]
  A)
  \[C{{O}_{2}}\]uptake in photosynthesis done clear
  B)
  \[{{O}_{2}}\]uptake during respiration done clear
  C)
  The release of energy during respiration done clear
  D)
  Cell division done clear
  View Solution play_arrow

• question_answer29)
  Largest amount of phosphate bond energy is produced in the process of respiration during [CPMT 1984; DPMT 1991; BHU 2002]
  A)
  Anaerobic respiration done clear
  B)
  Glycolysis done clear
  C)
  Kreb's cycle done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer30)
  In Kreb's cycle the hydrogen atoms removed at succinate level are accepted by [CPMT 1985]
  A)
  FAD done clear
  B)
  ADP done clear
  C)
  ATP done clear
  D)
  NAD done clear
  View Solution play_arrow

• question_answer31)
  Which of the following observation most strongly support the view that mitochondria contain electron transfer enzymes aggregated into compact associations [AIIMS 1985; BHU 1991]
  A)
  A contractile protein capable of utilizing ATP has been obtained from mitochondria done clear
  B)
  Mitochondria have highly folded inner wall done clear
  C)
  Disruption of mitochondria yields membrane fragments which are able to synthesize ATP done clear
  D)
  Mitochondria in animal embryos have a tendency to concentrate in cells which are to become part of locomotory structures done clear
  View Solution play_arrow

• question_answer32)
  Oxidative phosphorylation occurs in [DPMT 1985; CPMT 1983; CET Pune 1998]
  A)
  Outer membrane of mitochondria done clear
  B)
  Inner membrane of mitochondria done clear
  C)
  Stroma of chloroplast done clear
  D)
  Grana of chloroplast done clear
  View Solution play_arrow

• question_answer33)
  Kreb's cycle starts with the formation of six carbon compounds by reaction between [RPMT 1985]
  A)
  Maleic acid and acetyl CoA done clear
  B)
  Succinic acid and pyruvic acid done clear
  C)
  Fumaric acid and pyruvic acid done clear
  D)
  Acetyl CoA and oxaloacetic acid done clear
  View Solution play_arrow

• question_answer34)
  Respiratory enzymes are located in [DPMT 1986; MP PMT 2001; AMU 2005]
  A)
  Mitochondrial matrix (mitochondria) done clear
  B)
  Perimitochondrial space done clear
  C)
  Cristae done clear
  D)
  Outer membrane done clear
  View Solution play_arrow

• question_answer35)
  Food is converted to energy in [DPMT 1987]
  A)
  Chloroplast done clear
  B)
  Nucleus done clear
  C)
  Mitochondria done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer36)
  The cycle in which pyruvic acid is broken down in presence of oxygen is known as [MP PMT 1988]
  A)
  Glycolysis done clear
  B)
  Kreb's cycle done clear
  C)
  Anaerobic respiration done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer37)
  Which of the following is correct sequence in Kreb's cycle [BHU 1989]
  A)
  Isocitric acid\[\to \]Oxalosuccinic acid\[\to \]\[\alpha -\]ketogluteric acid done clear
  B)
  Oxalosuccinic acid\[\to \]Isocitric acid \[\alpha -\]ketogluteric acid done clear
  C)
  \[\alpha -\]ketogluteric acid\[\to \]Isocitric acid\[\to \]Oxalosuccinic acid done clear
  D)
  Isocitric acid\[\to \]\[\alpha -\]ketogluteric acid\[\to \]Oxalosuccinic acid done clear
  View Solution play_arrow

• question_answer38)
  In how many steps, \[C{{O}_{2}}\]is released in aerobic respiration of pyruvic acid [MP PMT 1989]
  A)
  One done clear
  B)
  Six done clear
  C)
  Three done clear
  D)
  Twelve done clear
  View Solution play_arrow

• question_answer39)
  In which among the following oxidative phosphorylation occurs during electron transport [CPMT 1990]
  A)
  Chloroplast done clear
  B)
  Ribosomes done clear
  C)
  Mitochondria done clear
  D)
  Glyoxysomes done clear
  View Solution play_arrow

• question_answer40)
  The formation of acetyl coenzyme-A from pyruvic acid is the result of its [CPMT 1990]
  A)
  Reduction done clear
  B)
  Dehydration done clear
  C)
  Dephosphorylation done clear
  D)
  Oxidative decarboxylation done clear
  View Solution play_arrow

• question_answer41)
  Oxidation of succinate to fumerate in the Kreb's cycle is due to [CPMT 1990]
  A)
  Loss of electron from it done clear
  B)
  Removal of hydrogen from it done clear
  C)
  Addition of oxygen to it done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer42)
  Oxidative phosphorylation and photophosphorylation both require the electron carrier [MP PMT 1990]
  A)
  Cytochrome done clear
  B)
  Oxygen done clear
  C)
  Carbon dioxide done clear
  D)
  Water done clear
  View Solution play_arrow

• question_answer43)
  Cytochrome helps in [AFMC 1994; MP PMT 1996]
  A)
  Oxidation of glucose done clear
  B)
  Release of energy done clear
  C)
  Electron transport done clear
  D)
  Growth done clear
  View Solution play_arrow

• question_answer44)
  Cellular energy is provided through respiration and oxidation by [DPMT 1991]
  A)
  Golgi apparatus done clear
  B)
  Endoplasmic reticulum done clear
  C)
  Ribosomes done clear
  D)
  Mitochondria done clear
  View Solution play_arrow

• question_answer45)
  Aerobic respiration which yields maximum ATP molecules is completed on [AMU 1990; BHU 1999]
  A)
  Mitochondria done clear
  B)
  General cytoplasm done clear
  C)
  General cytoplasm and mitochondria done clear
  D)
  Somewhere else done clear
  View Solution play_arrow

• question_answer46)
  The membrane bound enzyme involved in Kreb's cycle is [AIIMS 1994]
  A)
  Malate dehydrogenase done clear
  B)
  Fumarase done clear
  C)
  cis acotinase done clear
  D)
  Succinic dehydrogenase done clear
  View Solution play_arrow

• question_answer47)
  Biological oxidation in Kreb's cycle involves [MP PMT 1994]
  A)
  \[{{N}_{2}}\] done clear
  B)
  \[C{{O}_{2}}\] done clear
  C)
  \[{{O}_{2}}\] done clear
  D)
  \[S{{O}_{2}}\] done clear
  View Solution play_arrow

• question_answer48)
  Oxidative phosphorylation is the formation of [CBSE PMT 1992; BHU 1994, 99]
  A)
  \[NADP{{H}_{2}}\]in respiration  done clear
  B)
  ATP in respiration done clear
  C)
  \[NADP{{H}_{2}}\]in photosynthesis done clear
  D)
  ATP in photosynthesis done clear
  View Solution play_arrow

• question_answer49)
  Mineral activator needed for the enzymes carboxylase of TCA cycle is [NCERT 1975, 79]
  A)
  \[M{{g}^{++}}\] done clear
  B)
  \[F{{e}^{+++}}\] done clear
  C)
  \[M{{o}^{++}}\] done clear
  D)
  \[M{{n}^{++}}\] done clear
  View Solution play_arrow

• question_answer50)
  Kreb's cycle involves the formation of [AFMC 1987]
  A)
  Lactic acid from glucose done clear
  B)
  Change of pyruvic acid to energy transformation done clear
  C)
  Pyruvic acid from glucose done clear
  D)
  ATP from ADP done clear
  View Solution play_arrow

• question_answer51)
  In the electron transport system, the reduced coenzymes are regenerated by [CPMT 1990]
  A)
  Loss of hydrogen done clear
  B)
  Loss of electron done clear
  C)
  Addition of oxygen done clear
  D)
  None of the above done clear
  View Solution play_arrow

• question_answer52)
  In an electron transport chain in terminal oxidation the cytochrome which donates electrons to\[{{O}_{2}}\]is [CPMT 1990]
  A)
  Cytochrome b done clear
  B)
  Cytochrome c done clear
  C)
  Cytochrome\[{{a}_{3}}\] done clear
  D)
  Cytochrome a done clear
  View Solution play_arrow

• question_answer53)
  Kreb's cycle begins with [CBSE PMT 1991]
  A)
  Pyruvic acid done clear
  B)
  Hydrochloric acid done clear
  C)
  Corticosteroids done clear
  D)
  Lysine done clear
  View Solution play_arrow

• question_answer54)
  In ETS, electron combines to [CPMT 1994]
  A)
  Cytochrome done clear
  B)
  \[{{H}_{2}}\] done clear
  C)
  \[{{O}_{2}}\] done clear
  D)
  \[{{H}_{2}}O\] done clear
  View Solution play_arrow

• question_answer55)
  Enzymes of oxydative phosphorylation found in [CPMT 1983, 84; RPMT 1995; JIPMER 2001]
  A)
  Endoplasmic reticulum done clear
  B)
  Chloroplast done clear
  C)
  Mitochondria done clear
  D)
  Golgi complex done clear
  View Solution play_arrow

• question_answer56)
  The full form of NAD is [CPMT 1977]
  A)
  Nicotine adenosine diphosphate done clear
  B)
  Nicotinamide adenosine dinucleotide done clear
  C)
  Nicotinamide adenine dinucleotide done clear
  D)
  Nicotinamide adenine diphosphate done clear
  View Solution play_arrow

• question_answer57)
   The last or terminal cytochrome in respiratory chain is [CBSE PMT 1992; RPMT 1997]
  A)
  \[Cytb\] done clear
  B)
  \[Cyt{{a}_{3}}\] done clear
  C)
  \[Cyta\] done clear
  D)
  \[Cytc\] done clear
  View Solution play_arrow

• question_answer58)
  Upon the oxidation of one mole of pyruvate by mitochondrial respiration, the moles of ATP generated are [BHU 1994; KCET 1998]
  A)
  38 done clear
  B)
  30 done clear
  C)
  8 done clear
  D)
  15 done clear
  View Solution play_arrow

• question_answer59)
  Kreb's cycle is also called [EAMCET 1995]
  A)
  TCA cycle done clear
  B)
  Citric acid cycle done clear
  C)
  Tricarboxylic cycle done clear
  D)
  All the above done clear
  View Solution play_arrow

• question_answer60)
  Kreb's cycle is found in [AFMC 1996]
  A)
  Anaerobic respiration done clear
  B)
  Photorespiration done clear
  C)
  Photosynthesis done clear
  D)
  Aerobic respiration done clear
  View Solution play_arrow

• question_answer61)
  The importance of Kreb's cycle is in the production of [MP PMT 1996]
  A)
  Acetyl CoA done clear
  B)
  Water done clear
  C)
  ATP done clear
  D)
  ADP done clear
  View Solution play_arrow

• question_answer62)
  The correct sequence of electron acceptor in ATP synthesis is [CBSE PMT 1997]
  A)
  \[Cytaa\text{ }b\text{ }c\] done clear
  B)
  \[Cytb\text{ }c\text{ }a\text{ }{{a}_{3}}\] done clear
  C)
  \[Cytb\text{ }c\text{ }{{a}_{3}}~a\] done clear
  D)
  \[Cytc\text{ }b\text{ }a\text{ }{{a}_{3}}\] done clear
  View Solution play_arrow

• question_answer63)
  In Kreb's cycle, the FAD precipitates as electron acceptor during the conversion of [CBSE PMT 1997]
  A)
  Succinyl CoA to succinic acid done clear
  B)
  a-ketoglutarate to succinyl CoA done clear
  C)
  Fumaric acid to maleic acid done clear
  D)
  Succinic acid to fumaric acid done clear
  View Solution play_arrow

• question_answer64)
  Which transfer electrons in E.T.S. (electron transport system) [CPMT 1998]
  A)
  Phytochrome done clear
  B)
  \[{{F}_{1}}\]particles done clear
  C)
  Fe - S done clear
  D)
  Cytochrome done clear
  View Solution play_arrow

• question_answer65)
  The pyruvic acid formed in Glycolysis is oxidised to\[C{{O}_{2}}\]and\[{{H}_{2}}O\]in a cycle called [MP PMT 1999]
  A)
  Calvin cycle done clear
  B)
  Hill reaction done clear
  C)
  Kreb's cycle done clear
  D)
  Nitrogen cycle done clear
  View Solution play_arrow

• question_answer66)
  Which one of the following energy storing compound is formed when succinyl CoA is converted into succinic acid [BHU 2000]
  A)
  ADP done clear
  B)
  ATP done clear
  C)
  AMP done clear
  D)
  GTP done clear
  View Solution play_arrow

• question_answer67)
  Which of the following is not an electron transferring molecule [KCET 2001]
  A)
  ATP done clear
  B)
  \[NA{{D}^{+}}\] done clear
  C)
  Fe-S protein done clear
  D)
  Co-enzyme Q done clear
  View Solution play_arrow

• question_answer68)
  Cytochromes are [CBSE PMT 2001]
  A)
  Lipid done clear
  B)
  Glycoprotein done clear
  C)
  Metalloporphyrins done clear
  D)
  \[F{{e}^{++}}\]containing with porphyrin pigment done clear
  View Solution play_arrow

• question_answer69)
  Cytochromes occur in [BHU 2001]
  A)
  Cristae of mitochondria done clear
  B)
  Matrix of mitochondria done clear
  C)
  Outer mitochondrial membrane done clear
  D)
  Entire inner mitochondrial membrane done clear
  View Solution play_arrow

• question_answer70)
  Final electron acceptor in ETS is [Kerala CET 2002; CPMT 2003; BHU 2004]
  A)
  \[{{H}_{2}}O\] done clear
  B)
  \[{{O}_{2}}\] done clear
  C)
  \[cvt\,\,{{a}_{3}}\] done clear
  D)
  \[cvt\,\,a\] done clear
  View Solution play_arrow

• question_answer71)
  Kreb's cycle takes place in [BVP 2001; MHCET 2002]
  A)
  Chloroplast done clear
  B)
  Peroxisomes done clear
  C)
  Mitochondria done clear
  D)
  Cytoplasm done clear
  View Solution play_arrow

• question_answer72)
  \[FAD{{H}_{2}}\]is produced during the following reaction [MHCET 2002]
  A)
  Succinic acid to fumaric acid done clear
  B)
  Fumaric acid to malic acid done clear
  C)
  Succinyl Co-A to succinic acid done clear
  D)
  Isocitric acid to oxaloacetic acid done clear
  View Solution play_arrow

• question_answer73)
  The order of occurrence of the cytochromes in the \[{{F}_{1}}\] particles is [MHCET 2002]
  A)
  \[cyt\text{ }b,\text{ }cyt\text{ }c,\text{ }cyt\text{ }a-cyt\text{ }{{a}_{3}}\] done clear
  B)
  \[cyt\text{ }c,\text{ }cyt\text{ }b,\text{ }cyt\text{ }a-cyt\text{ }{{a}_{3}}\] done clear
  C)
  \[cyt\text{ }a,\text{ }cyt\text{ }b,\text{ }cyt\text{ }c-cyt\text{ }{{a}_{3}}\] done clear
  D)
  \[cyt\text{ }{{a}_{3}}-cyt\text{ }a,\text{ }cyt\text{ }c,\text{ }cyt\text{ }b\] done clear
  View Solution play_arrow

• question_answer74)
  In which one of the following do the two names refer to one and the same thing [CBSE PMT 2003]
  A)
  Tricarboxylic acid cycle and urea cycle done clear
  B)
  Kreb's cycle and Calvin cycle done clear
  C)
  Tricarboxylic acid cycle and citric acid cycle. done clear
  D)
  Citric acid cycle and Calvin cycle done clear
  View Solution play_arrow

• question_answer75)
  Kreb's cycle is also called as: [MHCET 2003]
  A)
  Tricarboxylic acid cycle done clear
  B)
  Oxidative phosphorylation done clear
  C)
  EMP pathway done clear
  D)
  Glycolysis done clear
  View Solution play_arrow

• question_answer76)
  Which of the following is produced during Kreb's cycle [BVP 2003]
  A)
  Citric acid done clear
  B)
  Lactic acid done clear
  C)
  Acetyl coenzyme-A done clear
  D)
  Acetic acid done clear
  View Solution play_arrow

• question_answer77)
  Activity of succinic dehydrogenase involves the following in TCA cycle [DPMT 2004]
  A)
  NAD done clear
  B)
  FAD done clear
  C)
  GDP done clear
  D)
  ATP done clear
  View Solution play_arrow

• question_answer78)
  In oxidative photophosphorylation, the last 3 steps are as follows [Orissa JEE 2004] \[Q\to C\to a{{a}_{3}}\to {{O}_{2}}\]
  A)
  \[Q\to C\] is \[{{H}^{+}}\] absorbing site done clear
  B)
  \[a{{a}_{3}}\to {{O}_{2+}}{{H}^{+}}\] yielding site done clear
  C)
  \[Q\to C\] is \[{{H}^{+}}\] yielding site and \[a{{a}_{3}}\to {{O}_{2}}\] is \[{{H}^{+}}\] absorbing site done clear
  D)
  No \[{{H}^{+}}\] is absorbed or released done clear
  View Solution play_arrow

• question_answer79)
  Which of the following does not function as an electron carrier [Kerala PMT 2004]
  A)
  Coenzyme Q done clear
  B)
  Cytochrome-c done clear
  C)
  Cytochrome-a done clear
  D)
  Cytochrome\[-{{a}_{3}}\] done clear
  E)
  \[{{H}_{2}}O\] done clear
  View Solution play_arrow

• question_answer80)
  The enzymes for electron transport system are located in the [Kerala PMT 2004]
  A)
  Plastid done clear
  B)
  Endoplasmic reticulum done clear
  C)
  Ribosomes done clear
  D)
  Mitochondria done clear
  E)
  Golgi bodies done clear
  View Solution play_arrow

• question_answer81)
  During which stage in the complete oxidation of glucose are the greatest number of ATP molecules formed from APD [CBSE PMT 2005]
  A)
  Conversion pyrubic acid to acetyl CoA done clear
  B)
  Electron transport chain done clear
  C)
  Glycolysis done clear
  D)
  Kreb's cycle done clear
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• question_answer82)
  Which of the following is not an intermediate of Kreb's cycle [Bihar 2005]
  A)
  Acetyl Co-A done clear
  B)
  Citric acid done clear
  C)
  Succinic acid done clear
  D)
  Lactic acid done clear
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• question_answer83)
  Which can accept a hydride ion during electron transduction system [Manipal 2005]
  A)
  \[FADH,\text{ }NADH\] done clear
  B)
  \[FA{{D}^{+}},\text{ }NAD{{P}^{+}}\] done clear
  C)
  \[FA{{D}^{+}},\text{ }NADH\] done clear
  D)
  \[FADH,\text{ }NA{{D}^{+}}\] done clear
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• question_answer84)
  In aerobic respiration citric acid cycle takes place in [Orissa JEE 2005]
  A)
  Cytosol done clear
  B)
  Mitochondria done clear
  C)
  Peroxisomes done clear
  D)
  Endoplasmic reticulum done clear
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• question_answer85)
  Which of the following is important in electron transport system [Wardha 2005]
  A)
  Ubiquinone done clear
  B)
  Acetyl CoA done clear
  C)
  Tricarboxylic acid done clear
  D)
  Ferricyanide done clear
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