Q.1
Bond between first phosphate and adenosine in ATP is .. ..[ KCET 2001]
  • a) Phosphoester bond
  • b) Nitrophosphate bond
  • c) Phosphoanhydride bond
  • d) Adenophosphate bond
Q.2
Arrange the enzyme in increasing order of carbon number of substrate on which they act a) Enolase (b) Aconitase (c) Fumarase (d) Alcohol dehydrogenase
  • a) d, a, b, c
  • b) b, d, c, a
  • c) a, d, c, b
  • d) d, a, c, b
Q.3
Direct ATP yield during Krebs cycle per glucose molecule is .. … [ WB 2009]
  • a) NADH dehydrogenase
  • b) ATP synthetase
  • c) Succinate dehydrogenase
  • d) Ubiquinone
Q.4
Chemiosmotic hypothesis given by Peter Mitchell process the mechanism of … .. [ KCET 2011]
  • a) Synthesis of ATP
  • b) Synthesis of FADH2
  • c) Synthesis of NADH
  • d) Synthesis of NADPH
Q.5
Link reaction between glycolysis and Krebs cycle is … .. [ MHTCET 2011]
  • a) Pyruvate → Acetyl CoA
  • b) PGAL → 1:3-diPGA
  • c) Citric acid → Isocitric acid
  • d) Malate → OAA
Q.6
When one molecule of glucose undergoes glycolysis aerobically, last stable product will be … .. [ Chd. CET 2012]
  • a) One pyruvic
  • b) Two pyruvic
  • c) Three pyruvic
  • d) Four pyruvic
Q.7
The substrate for pentose phosphate pathway is … .. [ BHU 2012]
  • a) Glucose 6-phosphate
  • b) Glucose 1-phosphate
  • c) Fructose 6-phosphate
  • d) Fructose 1-phosphate
Q.8
In Krebs cycle .. .. [ MPPMT 2004]
  • a) Pyruvic acid is converted into ATP
  • b) ADP is converted into ATP
  • c) Glucose is converted into CO2
  • d) Pyruvic acid is converted into ADP
Q.9
When one glucose molecule is completely oxidized, it changes … .. [ CBSE 1992]
  • a) 36 ADP molecules into 36 ATP molecules
  • b) 38 ADP molecules into 38 ATP molecules
  • c) 30 ADP molecules into 30 ATP molecules
  • d) 32 ADP molecules into ATP molecules
Q.10
R.Q. is ratio of .. .. [ CBSE 1990]
  • a) CO2 produced to substrate consumed
  • b) CO2 produced to O2 consumed
  • c) Oxygen consumed to water produced
  • d) Oxygen consumed to CO2 produced
Q.11
Fermentation products of Yeast are … .. [ JIPMER 2005]
  • a) H2O + CO2
  • b) Methyl alcohol + CO2
  • c) Methyl alcohol + Water
  • d) Ethyl alcohol + CO2
Q.12
Anaerobic process after glycolysis is known as … ..[ AFMC 1997]
  • a) TCA cycle
  • b) Krebs cycle
  • c) Calvin cycle
  • d) None of the above
Q.13
Which of the following enzymes is absent in mitochondria? … … [ CPMT 1998]
  • a) Aconitase
  • b) Malic dehydrogenase
  • c) Fumarase
  • d) Hexokinase
Q.14
Component of ETC of mitochondria is … ..[ DPMT 2001]
  • a) Carotenoids
  • b) Plastocyanin
  • c) Phytochrome
  • d) Cytochrome oxidase
Q.15
Maximum number of ATP is synthesized during oxidation of … .. [ RPMT 1990]
  • a) β-amino acid
  • b) Malic acid
  • c) Palmitic acid
  • d) Glucose
Q.16
The site of Krebs cycle in bacteria is …..
  • a) Nucleoid
  • b) Cytoplasm
  • c) Plasma membrane
  • d) Ribosomes
Q.17
Complete oxidation of one gram mol. Of glucose gives rise to .. .. [ MPPMT 1991]
  • a) 6860,000 cal
  • b) 686,000 cal
  • c) 68,600 cal
  • d) 6,860 cal
Q.18
Net gain of ATP in glycolysis … [ CBSE 1990]
  • a) 6
  • b) 2
  • c) 4
  • d) 8
Q.19
In ETS, complexes I and IV are respectively .. .. [ kerala 2011]
  • a) NADH dehydrogenase and FADH2
  • b) FASH2 and NADH dehydrogenase
  • c) NADH dehydrogenase and cytochrome oxidase complex
  • d) NADH dehydrogenase and ATP synthase
Q.20
RQ is more than one indicating … .. [ AMU 2002]
  • a) Aerobic respiration
  • b) Anaerobic respiration
  • c) Both a and b
  • d) None of the above
Q.21
Products of anaerobic respiration are .. .. [ Manipal 2001]
  • a) Ethyl alcohol and carbon monoxide
  • b) Ethyl alcohol and lactic acid
  • c) Lactic acid and glycogen
  • d) Acetic acid and carbon dioxide
Q.22
ATP is synthesized in … ..[ CPMT 2010]
  • a) Ion channels
  • b) Plasmalemma
  • c) F0 particles
  • d) F1 Particles
Q.23
Calorific value of carbohydrates, protein and fats are … .. [ WB PMT 2007]
  • a) 4.1 kcal/g, 5.65 kcal/g, 9.45 kcal/g
  • b) 5.65 kcal/g, 10 kcal/g, 2.3 kcal/g
  • c) 3.1 kcal/g, 9 kcal/g, 6 kacl/g
  • d) none of the above
Q.24
Which of the following processes makes direct use of oxygen? … .. [ CPMT 2010]
  • a) Glycolysis
  • b) Fermentation
  • c) Electron transport
  • d) Krebs citric acid cycle
Q.25
How many ATPs are formed per glucose molecule in Krebs cycle? .. ..[ Bih PMT 2006]
  • c) 6
  • a) 2
  • b) 24
  • d) 28
Q.26
Which of the following is incorrect for glycolysis? .. ..[ Manipal 2005]
  • a) It produces ATP
  • b) It uses ATP
  • c) End products are CO2 and H2O
  • d) None of the above
Q.27
In glycolysis, electrons are removed by .. .. [ CBSE 2004]
  • a) ATP
  • b) NAD
  • c) Glyceraldehyde 3-phosphate
  • d) Molecular oxygen
Q.28
The reaction forming 3-phosphoglyceric acid is glycolysis is … .. [ MHTCET 2007]
  • a) Cleavage
  • b) Oxidative phosphorylation
  • c) Dephosphorylation
  • d) Oxidative decarboxylation
Q.29
Which of the following is the first step of glycolysis? … .[ CPMT 2004]
  • a) Conversion of glucose into fructose
  • b) Dehydration of glucose
  • c) Breakdown of glucose
  • d) Phosphorylation of glucose
Q.30
For formation of ethanol, pyruvic acid is first changed to acetaldehyde by enzyme … ..[ JKCMEE 2007]
  • a) Pyruvate dehydrogenase
  • b) Pyruvate carboxylase
  • c) Alcohol oxidase
  • d) Alcohol dehydrogenase
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