Q.1
Which component of ETC is not protein? … [ Har. PMT 1994]
  • a) Cytochrome
  • b) Ubiquinone
  • c) Cytochrome oxidase
  • d) All the above
Q.2
Number of ATP produced from one pyruvic acid during conversion of acetyl CoA is … … [ MPPMT 1996]
  • a) 3
  • b) 5
  • c) 8
  • d) 15
Q.3
Select the correct match for the following a) Net ATP produced in glycolysis b) Positive Benedict’s test c) Genes unable to express in presence of their alleles d) A character controlled by many genes … ..[ Har P.M.T. 2002]
  • a) 36, glucose, recessive, polygenic
  • b) 8, glucose, recessive, polygenic
  • c) 32, glucose, recessive, polygenic
  • d) 18, glucose, recessive, polygenic
Q.4
Ethanol is formed from acetaldehyde by an enzyme called … ..[ Odisha 2003]
  • a) Lactate dehydrogenase
  • b) Pyruvate kinase
  • c) Alcohol dehydrogenase
  • d) Pyruvate decarboxylase
Q.5
Which of the following is formed from phosphorylation .. ..[ AMU 1990]
  • a) Fructose 1,6-biphosphate
  • b) Phosphoglyceric acid
  • c) PEP
  • d) Pyruvic acid
Q.6
One NADPH2 /NADPH2 yields … .. [ AFMC 2004]
  • a) 2 ATP
  • b) 3ATP
  • c) 12 ATP
  • d) 6 ATP
Q.7
The net gain of energy from one gram mole of glucose during aerobic respiration is … .. [ BHU 2007]
  • a) 2ATP
  • b) 4 ATP
  • c) 38 ATP
  • d) 40 ATP
Q.8
Oxidative phosphorylation occurs during … … { MPPMT 1994]
  • a) Transpiration
  • b) Respiration
  • c) Protein synthesis
  • d) Nitrogen metabolism
Q.9
Number of ATP molecules which can be built on complete oxidation of pyruvic acid is … [ BHU 1994]
  • a) 6
  • b) 2
  • c) 15
  • d) 30
Q.10
What is produced when succinyl CoA is changed to succinate? … .. [ JIPMER 1996]
  • a) ATP
  • b) GTP
  • c) CTP
  • d) ATP in plants and GTP in animals
Q.11
Match the following … [ KCET 1999]
a) H+, OH- p) Glycolysis
b) Pyruvic acid q) Alcoholic fermentation
c) C2H5OH, CO2 r)Chemosynthesis
- -   - - s) Photolysis of water
  • a) a – s, b – q, c – p
  • b) a-s, b – r, c – p
  • c) a –s, b- p, c – q
  • d) a – s, b – r, c – q
Q.12
Glycolysis takes place in … ..[ AFMC 2003]
  • a) All cells
  • b) Only eukaryotic cells
  • c) Muscle cells
  • d) Nerve cells
Q.13
Ganong’s respiroscope is employed for demonstrating … ..[ KECT 2004]
  • a) Heat during respiration
  • b) CO2 during aerobic respiration
  • c) CO2 during fermentation
  • d) Evolution of oxygen during photosynthesis
Q.14
An enzyme not used in Krebs cycle is … ..[ WB 2007]
  • a) Aconitase
  • b) Decarboxylase
  • c) Gumarase
  • d) Aldolase
Q.15
Pyruvic acid formed during glycolysis is oxidized to CO2 and H2O in … …. [ JKCMEE 2008]
  • a) Calvin cycle
  • b) Hill reaction
  • c) Krebs cycle
  • d) Nitrogen cycle
Q.16
Ferrodoxin contains … ..[ Har PMT 2005]
  • a) Mg
  • b) Co
  • c) Iron
  • d) Nitrate
Q.17
In aerobic respiration one glucose produces … ..[ MHRCET 2002]
  • a) 8 NADH + 2FADH2 + 2ATP
  • b) 12NADH + 2FADH2 + 38 ATP
  • c) 12NADH + 30 ATP + H2O
  • d) 10 NADH + 2FADH2 + 2ATP + 2TP
Q.18
Pick the reaction of glycolysis where a water molecule is removed .. … [ kerala 2008]
  • a) 2-phosphoglycerate → PEP
  • b) PEP → Pyruvic acid
  • c) Glucose → Glucose 6-phosphate
  • d) Fructose 6-phosphate → Fructose 1, 6-biphosphate
Q.19
Which one yields the maximum energy? …[ RPMT 1996]
  • a) Krebs cycle
  • b) Anaerobic respiration
  • c) Glycolysis
  • d) Aerobic respiration
Q.20
Electron transport requires .. … [EAMCET 1999]
  • a) Cytochroms
  • b) Phytochrome
  • c) Enzymes
  • d) Hormones
Q.21
Both respiration and photosynthesis require … [ BHU 1995]
  • a) Sunlight
  • b) Chlorophyll
  • c) Glucose
  • d) Cytochromes
Q.22
ron porphyrin occurs in .. ..[ BHU 2001]
  • a) Anthocyanin
  • b) Phytochrome
  • c) Cytochrome
  • d) FAD
Q.23
During strenuous exercise, glucose is changed into … …[ BHU 2008]
  • a) Starch
  • b) Glycogen
  • c) Lactic acid
  • d) Pyruvic acid
Q.24
RQ of protein is … .. [ HPPMT 2011]
  • a) 0.7
  • b) 1.0
  • c) 0.9
  • d) More than one
Q.25
Which of the following is a biological uncoupler of oxidative phosphorylation … [ CET Chd. 2010]
  • a) Thermogenin
  • b) 2, 4-Dichlorophenoxyacetic acid
  • c) 2, 4 –Dinitrophenol
  • d) Ethylene diaminotetra-acetic acid
Q.26
How many ATP molecules can be produced through oxidative phosphorylation of 2NADH2 and 3FADH2 .. ..[ Guj CET 2010]
  • a) 15
  • b) 24
  • c) 6
  • d) 12
Q.27
Match the column … … [ KCET 2009]
a) Oxaloacetate p) 6C compound
b) Phosphoglyceraldehyde q) 5C compound
c)Isocitrate r) 4C compound
d) α-ketoglutarate s)2C compound
- -   - - t) 1C compound
  • a) a – s , b – t, c – q, d – r
  • b) a – r, b – t, c –p, d – q
  • c) a – r, b –s, c – p, d – q
  • d) a-q, b – s, c- p, d- t
Q.28
Lactic acid fermentation does not produce ….. [ AIIMS 1996]
  • a) ATP
  • b) CO2 and NADH
  • c) CO2
  • d) NADH
Q.29
ofactor required for formation of acetyl CoA is …. [ RPMT 1998]
  • a) TPP
  • b) Lipoic acid
  • c) Mg2+, CoA
  • d) All the above
Q.30
Citric acid cycle is the alternate name of .. .. [ WB 2009]
  • a) HMP shunt
  • b) Glycolysis
  • c) TCA cycle
  • d) Calvin cycle
0 h : 0 m : 1 s