Q.1.
Which one is absent in erythrocytes? [ CBSE 1997]
-
25%
a) Krebs cycle
-
25%
b) Enzymes
-
25%
c) Biomembrane
-
25%
d) Hyaloplasm
Q.2.
.Q. is maximum when respiratory substrate is … .. [ AIIMS 1992]
-
25%
a) Glucose
-
0%
b) Fat
-
50%
c) Protein
-
25%
d) Malic acid
Q.3.
R.Q. is more than one when the substrate is … .. [ MPPMT 2000]
-
0%
a) Fat
-
25%
b) Glucose
-
0%
c) Organic acid
-
75%
d) Protein
Q.4.
During glycolysis the number of ATP molecules utilized to change glucose into fructose 1,6 diphosphate are … ..[ HPPMT 2005]
-
50%
a) 4
-
25%
b) 3
-
25%
c) 2
-
0%
d) 1
Q.5.
Which is end-product of oxidative phosphorylation? … ..[ CBSE 1996]
-
20%
a) ATP
-
20%
b) ATP + H2O
-
40%
c) NADH
-
20%
d) Oxygen
Q.6.
Oxidative phosphorylation is found in … .. [ MPPMT 2002]
-
20%
a) Chloroplasts
-
0%
b) Leucoplasts
-
20%
c) Peroxisomes
-
60%
d) Mitochondria
Q.7.
Mitochondrial marker enzyme is … .. [ JIPMER 2000]
-
25%
a) Pyruvate dehydrogenase
-
50%
b) Aldolase
-
25%
c) Amylase
-
0%
d) Succinic dehydrogenase
Q.8.
Which is correct for ADP .. ..[ BHU 2007]
-
20%
a) Two high energy bonds
-
0%
b) One high energy bond
-
0%
c) Three high energy bonds
-
80%
d) None of the above
Q.9.
Minerals that activate respiratory enzymes are … .. [ kerala 2011]
-
0%
a) N and P
-
67%
b) Mg and Mn
-
33%
c) K and Ca
-
0%
d) S and Fe
Q.10.
Pyruvic acid is a product of … .. [ CPMT 1995]
-
0%
a) Acetic acid
-
50%
b) Acetyl CoA
-
50%
c) Starch
-
0%
d) Glucose
Q.11.
Number of oxygen molecules required during glycolysis of one glucose molecule is … .. [ Odisha 2003]
-
50%
a) 38
-
0%
b) 36
-
0%
c) 2
-
50%
d) zero
Q.12.
Glycolysis is conversion of … ..[ MPPMT 2002]
-
33%
a) Glucose to glycogen
-
0%
b) Glycogen to glucose
-
33%
c) Glucose to pyruvic acid
-
33%
d) Glucose to citric acid
Q.13.
Succinate + FAD forms … ..
-
67%
a) Fumarate + FADH2
-
33%
b) Malate + NADH2
-
0%
c) Isocitrate + NADH2
-
0%
d) Citrate + Water
Q.14.
Fumarase changes fumaric acid into … ..[ CPMT 1992]
-
67%
a) Malic acid
-
33%
b) Maleic acid
-
0%
c) Citric acid
-
0%
d) Succinic acid
Q.15.
R.Q. would depend upon … ..[ KCET 2009]
-
33%
a) Nature of enzyme
-
0%
b) Nature of substrate
-
67%
c) Amount of CO2 released
-
0%
d) Amount of O2 utilised
Q.16.
In mitochondria, enzyme cytochrome oxidase is present in .. .. [ MPPMT 2009]
-
0%
a) Perimitochondrial space
-
67%
b) Outer membrane
-
0%
c) Inner membrane
-
33%
d) Matrix
Q.17.
Match column .. ..[ KCET 2002]
| a) Krebs cycle | p) Stroma |
| b) Glycolysis | q) Grana |
| c) Calvin cycle | r) mitochondrial matrix |
| - - - - | s) Cytoplasm |
-
33%
a) a – s, b – r, c – q
-
67%
b) a- r, b – s, c – p
-
0%
c) a – s, b – r, c – p
-
0%
d) a – r, b-s, c- q
Q.18.
Choose the correct labeling
-
0%
a) a – ethanol, b – CO2, c – acetaldehyde
-
100%
b) a – CO2, b – acetaldehyde, c – ethanol
-
0%
c) a – CO2, b - -ethanol, c – acetaldehyde
-
0%
d) a – ethanol, b – acetaldehyde, c – CO2
Q.19.
For two molecules of glucose, glycolysis uses and produces ATP molecules … [ W.B 2009]
-
67%
a) 4 and 8
-
33%
b) 2 and 4
-
0%
c) 2 and 8
-
0%
d) 2 and 2
Q.20.
What is true of Krebs cycle … ..[ Manipal 2002]
-
0%
a) ATP/GTP is formed
-
33%
b) Two decarboxylation
-
33%
c) Acetyl CoA combines with OAA
-
33%
d) All the above
Q.21.
Apparatus to measure rate of respiration and R.Q. is … …. [ CBSE 1992]
-
0%
a) Auxanometer
-
50%
b) Potometer
-
0%
c) Respirometer
-
50%
d) Manometer
Q.22.
Krebs cycle is … … [ AMU 1993]
-
50%
a) Oxidation of glucose to alcohol and water
-
50%
b) Oxidation of acetyl CoA to carbon dioxide and water involving electron transport
-
0%
c) Complete oxidation of acetyl CoA without electron transport
-
0%
d) Complete reduction of acetyl CoA to carbon dioxide and water
Q.23.
Anaerobic respiration takes place in … ..[ MPPMT 2002]
-
0%
a) Ribosome
-
0%
b) Nucleus
-
0%
c) Vacuole
-
100%
d) Cytoplasm
Q.24.
Number of carbon atoms available in acetyl CoA is … ..[ KCET 1999]
-
0%
a) 6
-
100%
b) 4
-
0%
c) 3
-
0%
d) 2
Q.25.
In glycolysis, enzyme enlaced produces .. ..[ AMU 1999]
-
0%
a) Phosphoglyceric acid
-
0%
b) Phosphoenol pyruvate
-
100%
c) Phosphoglyceraldehyde
-
0%
d) Pyruvate
Q.26.
Turn of Krebs cycle required for completes oxidation of one molecules of glucose are … .. [ MHTCET 2011]
-
100%
a) 2
-
0%
b) 3
-
0%
c) 4
-
0%
d) 6
Q.27.
R.Q. of 4 is obtained when respiratory substrate is … .. [ JIPMER 1996]
-
0%
a) Oxalic acid
-
100%
b) Malic acid
-
0%
c) Tartaric acid
-
0%
d) Glucose
Q.28.
R.Q. of anaerobic respiration is … .[ Wardha ..2005]
-
100%
a) Zero
-
0%
b) ∞
-
0%
c) 1
-
0%
d) > 1
Q.29.
Two pairs of electrons passing from NADH molecules to oxygen generate … ..[ AMU 2011]
-
50%
a) 2 ATP
-
50%
b) 3 ATP
-
0%
c) 4 ATP
-
0%
d) 6 ATP
Q.30.
Select suitable name for the process C6H12O6 + 2ADP + Pi → 2C2H5OH + CO2 + 2ATP [ KCET 2012]
-
0%
a) Photorespiration
-
0%
b) Lactate fermentation
-
100%
c) Aerobic respiration
-
0%
d) Alcoholic fermentation