lyceraldehyde phosphate is oxidized in glycolysis. What is fate of hydrogen atom and electron liberated. They cause …
14%
a) Oxidation of NAD+
71%
b) Reduction of NAD+
14%
c) Change in oxaloacetic acid
0%
d) Formation of methane
Q.2.
Aerobic respiratory pathway is appropriately termed … .. [CBSE 2009]
14%
a) Anabolic
29%
b) Catabolic
57%
c) Amphibolic
0%
d) Parabolic
Q.3.
The energy releasing metabolic process in which substrate is oxidized without as external electron acceptor is … ..[ CBSE 2010]
25%
a) Fermentation
12%
b) Aerobic respiration
38%
c) Photorespiration
25%
d) Glycolysis
Q.4.
Mitochondria are sites of … ..[ CMC 2003]
86%
a) Oxidative phosphorylation
0%
b) Photolysis
14%
c) Phosphorylation
0%
d) Starch synthesis
Q.5.
In Kreb’s cycle , a six carbon compound is formed by the combination of Acetyl CoA and
0%
a) Citric acid
0%
b)malic acid
100%
c) oxaloacetic acid
0%
d) succinic acid
Q.6.
aximum amount of energy /ATP is liberated on oxidation of … ..[ CBSE 1994]
57%
a) Fat
14%
b) Proteins
29%
c) Starch
0%
d) Vitamins
Q.7.
Out of 38 ATP molecules produced per glucose 34 ATP molecules are formed from NADH/FADH2 in … .. [ CBSE 1993]
25%
a) Respiratory chain
50%
b) Krebs cycle
25%
c) Oxidative decarboxylation
0%
d) EMP
Q.8.
onversion of ATP to ADP releases … .. [ Manipal 1995]
67%
a) Energy
17%
b) Enzyme
17%
c) Hormone
0%
d) Electricity
Q.9.
Which one can respire in the absence of oxygen? .. .. [ RPMT 1996]
25%
a) Seeds
38%
b) Leaves
25%
c) Stem
12%
d) Root
Q.10.
Pyruvic acid is formed at the end of …. … [ AFMC 1993]
0%
a) Calvin cycle
100%
b) Glycolysis
0%
c) Krebs cycle
0%
d) Pentose phosphate pathway
Q.11.
Which is key intermediate compound linkage glycolysis to Krebs cycle? … [ CBSE 1997]
0%
a) Malic acid
86%
b) Acetyl CoA
14%
c) NADH
0%
d) ATP
Q.12.
Respiration can occur in the absence of oxygen in … ..[ MPPMT 2004]
0%
b) Spirogyra
14%
a) Solanum tuberosum
86%
c) Yeast
0%
d) Homo sapiens
Q.13.
The respiratory enzyme are located in .. ..[ Pb PMT 1997]
71%
a) Mitochondrial matrix
0%
b) Peri Mitochondrial space
29%
c) Cristae
0%
d) Outer membrane
Q.14.
Krebs cycle takes place in …. [ AMU 2000]
0%
a) Vesicles of E.R.
86%
b) Mitochondria
14%
c) Dictyosomes
0%
d) Chloroplasts
Q.15.
The first stable compound of Krebs cycle is … ..
17%
a) Acetyl CoA
67%
b) Citric acid
17%
c) Oxaloacetic acid
0%
d) Fumaric acid
Q.16.
Energy liberated during respiration is stored as … .. [ MHTCET 2010]
75%
a) ATP
0%
b) ADP
25%
c) FAD
0%
d) NADP
Q.17.
Which group of scientists discovered glycolysis …. ..
25%
a) Embden, Merrison and pitches
50%
b) Embden,Meyerhof and Parnas
0%
c) Emerson, Hoffman and Peterson
25%
d) Avery, Macleoid and Mc Carthy
Q.18.
Which is correct for catabolism of 18 C fatty acid … .. [ AMU 2009]
60%
a) Mitochondria, beta oxidation, 148 ATP molecules
40%
b) Mitochondria, beta oxidation, 140 ATP molecules
0%
c) Cytosol, beta oxidation, 146 ATP molecules
0%
d) Cytosol, beta oxidation, 140 ATP molecules
Q.19.
Find out the correct options … [ BHU 2008] 1) Copper is present in cytochrome oxidase 2) Pantothenic acid is precursor of CoA 3) Thymine pyrophosphate is prosthetic group in decarboxylases 4) Zinc is present in RNA and DNA polymerases
0%
a) 1, 2, 3 correct
50%
b) 1, 2 correct
50%
c) 2,4 correct
0%
d) 1, 3 correct
Q.20.
Ratio of volume of CO2 liberated to volume of O2 consumed is … ..
0%
a) CQ CO2/O2
50%
b) RQ CO2/O2
0%
c) MQ O2/CO2
50%
d) PQ O2/CO2
Q.21.
A molecule of ATP is formed as an electron passes from … .. [ Manipur 2007]
17%
a) Cyt c to Cyt a
67%
b) Cyt b to Cyt c
17%
c) Cyt a to Cyt c
0%
d) Cyt c to Cyt b
Q.22.
How many ATP molecules could maximally be generated from one molecules of glucose, if the complete oxidation of one mole of glucose to CO2 and H2O yields 686 kcal and useful chemical energy available in high energy phosphate bond of one mole of ATP is 12 kcal … ..[ CBSE 2006]
25%
a) 1
50%
b) 2
25%
c) 30
0%
d) 57
Q.23.
Which of the following is an important intermediate formed in all types of respiration? … .[ Wardha 2005]
40%
a) Acetyl CoA
40%
b) Oxaloacetate
20%
c) Pyruvic acid
0%
d) Tricarboxylic acid
Q.24.
Pasteur effect can be studied in case of … .. [ KCET 2004]
20%
a) Nostoc
60%
b) Penicillium
20%
c) Pinnularia
0%
d) Saccharomyces
Q.25.
In alcohol fermentation … .
40%
a) Triose phosphate is electron donor while acetaldehyde is electron acceptor
40%
b) Triose phosphate is electron donor while pyruvic aci is electron acceptor
0%
c) There is no electron donor
20%
d) Oxygen is electron acceptor
Q.26.
Fermentation is … ..[ RPMT 2002]
33%
a) Incomplete oxidation
67%
b) Anaerobic respiration
0%
c) Excretory process
0%
d) None of the above
Q.27.
Enzymes located in mitochondrial membrane are … … [ JIPMER 2000]
0%
a) Enolase and catalase
0%
b) Flavoproteins and cytochromes
75%
c) Hexokinase and zymase
25%
d) Citrate synthetase and glutamate dehydrogenase
Q.28.
Production of alcohol by Yeast fermentation is … .. process … ..[ Pb. PMT 1998]
60%
a) Anaerobic
0%
b) Aerobic
0%
c) Light dependent
40%
d) Both a and c
Q.29.
Fermentation produces … .. [ CBSE 1996]
17%
a) Protein and acetic acid
0%
b) Alcohol and lipoprotein
50%
c) Alcohol, lactic acid etc
33%
d) Ethers and acetones
Q.30.
In animal cells, the first stage of glucose breakdown is … .. [ CBSE 1994]
0%
a) Krebs cycle
60%
b) Glycolysis
40%
c) Oxidative phosphorylation
0%
d) E.T.C.
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