NEW
Font size
WorksheetsRespiration in Plants- Quiz 2
Total questions: 10
Worksheet time: 3mins
Substrate-level phosphorylation accounts for approximately what percentage of the ATP formed by the reactions of glycolysis?
0%
2%
10%
100%
Which one of the following is the only 5-carbon compound formed during Krebs’ cycle?
Malic acid
Succinic acid
Cis-aconitic acid
α -ketoglutaric acid
Cytochromes are found in
Cristae of mitochondria
Lysosomes
Matrix of mitochondria
Outer wall of mitochondria
Oxidative phosphorylation is :-
Addition of phosphate group to ATP.
Formation of ATP by energy released from electrons removed during substrate oxidation.
Formation of ATP by transfer of phosphate group from a substrate to ADP
Oxidation of phosphate group in ATP
Which of the following metabolites enter the TCA cycle during glucose oxidation ?
Oxaloacetic acid
Pyruvic acid
Acetyl CoA
Malic acid
Electrons from NADH produced in the mitochondrial matrix during citric acid cycle are oxidised by :–
Complex II
Complex III
Complex I
Complex IV
Which statement is wrong for Krebs' cycle ?
There is one point in the cycle where FAD+ is reduced to FADH2
During conversion of succinyl CoA to succinic acid, a molecule of GTP is synthesised
The cycle starts with condensation of acetyl group (acetyl CoA) with pyruvic acid to yield citric acid
There are three points in the cycle where NAD+ is reduced to NADH + H+
Which of the following enzymes involved in Kreb’s cycle is not present in the mitochondrial matrix?
Aconitase
Malate dehydrogenase
Fumarase
Succinate dehydrogenase
Respiratory Quotient (RQ) value of tripalmitin is
0.9
0.7
0.07
0.09
Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by
Aldolase
Hexokinase
Enolase
Phosphofructokinase
