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Quiz 7
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Q.1
Common respiratory substrate is … .. [ MHTCET 2008]
0%
a) Fructose
0%
b) Glucose
0%
c) Sucrose
0%
d) Lactose
Explanation
Answer : (b)
Q.2
Phosphoglyceraldehyde is changed to bisphosphoglyceric acid through … .. [ Guj CET 2008]
0%
a) Carboxylation and hydration
0%
b) Phosphorylation and oxidation
0%
c) Decarboxylation and hydrogenation
0%
d) Dephosphorylation and dehydrogenation
Explanation
Answer : (b)
Q.3
In TCA cycle, conversion of succinyl CoA to succinic acid needs … ..[ W.B. 2007]
0%
a) GD + iP
0%
b) CoA + GTP + iP
0%
c) Acetyl CoA + GDP + iP
0%
d) Acetyl CoA + GTP + iP
Explanation
Answer : (a)
Q.4
Match the columns … [ kerala 2007]
a) 4C
Acetyl CoA
b) 2C
Pyruvate
c) 5C
Citric acid
d) 3C
α –ketoglutaric acid
- - - -
e) Malic acid
0%
a) a – 2, b – 5, c – 3, d – 1
0%
b) a – 3, b – 1, c – 4, d – 2
0%
c) a – 5, b – 1, c – 4, d – 2
0%
d) a – 5, b – 3, c – 1, d – 1
Explanation
Answer : (c)
Q.5
Aerobic respiration occurs in .. ..[ HPPMT 2005]
0%
a) Thylakoid
0%
b) Golgi body
0%
c) Grana
0%
d) Mitochondria
Explanation
Answer : (d)
Q.6
Tick the correct statement … ..[ Har PMT 2003]
0%
a) Anaerobic grow in absence of oxygen
0%
b) Aerophilic can grow in complete absence of oxygen
0%
c) Aerobes can grow in absence of oxygen
0%
d) Obligate anaerobes can live in presence of abundant oxygen
Explanation
Answer : (a)
Q.7
Enzymes of Krebs cycle occur in mitochondrial matrix except one which is attached to inner mitochondrial membrane … [ Odisha 2002]
0%
a) Citrate synthetase
0%
b) α-keto-glutarate dehydrogenase
0%
c) Succinate dehydrogenase
0%
d) Malate dehydrogenase
Explanation
Answer : (c)
Q.8
Glyceraldehyde 3-phosphate is oxidized to 1-3 bisphosphoglyceric acid along with … .. [ Tamilnadu 2001]
0%
a) Release of electrons for reudcing NAD+
0%
b) ATP synthesis
0%
c) Release of phosphate group
0%
d) Release of H+ and e- for forming NADH
Explanation
Answer : (d)
Q.9
Pyruvic acid, the last product of glycolysis, is degraded to CO2 and H2 in … ..[ CPMT 2001]
0%
a) Cytoplasm
0%
b) Inner membrane of mitochondria
0%
c) Matrix of mitochondria
0%
d) Matrix of chloroplasts
Explanation
Answer : (c)
Q.10
Alcoholic fermentation is carried out by … ..[ CBSE 2000]
0%
a) Saccharomyces
0%
b) lactobacillus
0%
c) Clostridium
0%
d) Aspergillus
Explanation
Answer : (a)
Q.11
Total number of ATP molecules produced per glucose molecule in eukaryotic cell is … ..[ kerala 2001]
0%
a) 38
0%
b) 36
0%
c) 24
0%
d) 12
Explanation
Answer : (b)
Q.12
Krebs cycle begins with the reaction … ..[ Har PMT 1997]
0%
a) OAA + Acetyl CoA
0%
b) Citric acid + Acetyl CoA
0%
c) OAA + Pyruvic acid
0%
d) OAA + Citric acid
Explanation
Answer : (a)
Q.13
ETC and TCA enzyme occur in … .. [ JIPMER 1996]
0%
a) Ribosomes
0%
b) Endoplasmic reticulum
0%
c) Mitochondria
0%
d) Cytoplasm and nucleus
Explanation
Answer : (c)
Q.14
R.Q. for malic acid is .. .. [ RPMT 1996]
0%
a) 1.3
0%
b) 4
0%
c) 0.7
0%
d) 1
Explanation
Answer : (a)
Q.15
Respiratory substrate yielding maximum number of ATP molecules is .. .. [ CBSE 1994]
0%
a) Ketogenic amino acids
0%
b) Glucose
0%
c) Amylose
0%
d) Glycogen
Explanation
Answer : (b)
Q.16
Number of carbons in pyruvic acid is … .. [ CPMT 1992]
0%
a) 6
0%
b) 3
0%
c) 2
0%
d) 1
Explanation
Answer : (b)
Q.17
Oxidative phosphorylation is production of … .. [ CBSE 1992]
0%
a) ATP in photosynthesis
0%
b) NADH in photosynthesis
0%
c) ATP is respiration
0%
d) NADH in respiration
Explanation
Answer : (c)
Q.18
In germinating Caster seeds, R.Q. is … [ BHU 2003]
0%
a) Less than one
0%
b) More than one
0%
c) One
0%
d) Zero
Explanation
Answer : (a)
Q.19
In Opunita and other succulents, night time R.Q, is … .. [ KCET 2008]
0%
a) One
0%
b) More than one
0%
c) Zero
0%
d) Less than one
Explanation
Answer : (c)
Q.20
Fermentation is … ..[ BHU 2008]
0%
a) Anaerobic respiration
0%
b) Incomplete oxidation of carbohydrates
0%
c) Complete oxidation of carbohydrates
0%
d) None of the above
Explanation
Answer : (a)
Q.21
The number of molecules of pyruvic acid formed from one molecule of glucose at the end of glycolysis … … [MPPMT 1996]
0%
a) 1
0%
b) 2
0%
c) 3
0%
d) 4
Explanation
Answer : (b)
Q.22
In respiration pyruvic acid is … ..
0%
a) Formed only when oxygen is available
0%
b) One of the products of Krebs cycle
0%
c) Broken down into a two carbon fragment and CO2
0%
d) A result of protein breakdown
Explanation
Answer : (c)
Q.23
Total gain of energy in anaerobic respiration is … … [ W.B. 2009]
0%
a) Two ATP
0%
b) One ATP
0%
c) Four ATP
0%
d) Three ATP
Explanation
Answer : (a)
Q.24
In hexose monophosphate shunt, number of molecules of carbon dioxide evolved is … ..[ AIIMS 1991]
0%
a) Less than glycolysis
0%
b) Much less than glycolysis
0%
c) More than glycolysis
0%
d) Same as glycolysis
Explanation
Answer : (c)
Q.25
Succinate is oxidized to fumarate in Krebs cycle by .. ..[ CPMT 1990]
0%
a) Removal of hydrogen
0%
b) Loss of electrons
0%
c) Addition of oxygen
0%
d) Removal of oxygen
Explanation
Answer : (a)
Q.26
Glycolysis is part of … … [ AIIMS 1992]
0%
a) Only anaerobic respiration
0%
b) Krebs cycle
0%
c) Only aerobic respiration
0%
d) Both aerobic and anaerobic respiration
Explanation
Answer : (d)
Q.27
Cytochromes are … .. [ AFMC 1994]
0%
a) Electron acceptors
0%
b) Protein acceptors
0%
c) Oxygen acceptors
0%
d) Passage way for carbohydrates
Explanation
Answer : (a)
Q.28
Enzymes of oxidative phosphorylation occur in … .. [ RPMT 1995]
0%
a) Endoplasmic reticulum
0%
b) Chloroplasts
0%
c) Mitochondria
0%
d) Golgi apparatus
Explanation
Answer : (c)
Q.29
Correct sequence in electron acceptor in ATP synthesis is .. … [ BHU 2002]
0%
a) Cyt a, a3, b, c
0%
b) Cyt b, c, a, a3
0%
c) Cyt c, b, a, a3
0%
d) Cyt b, c, a3, a
Explanation
Answer : (b)
Q.30
In bacteria the site for respiration is … … [ CBSE 1997]
0%
a) Cytoplasm
0%
b) Mesosomes
0%
c) Episome
0%
d) Plasmid
Explanation
Answer : (b)
0 h : 0 m : 1 s
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