MDCAT Biology Chapter 2 Bio-energetic Online Test With Answers

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MDCAT Biology Chapter 2 Bio-energetic Online Test

Sr. # Questions Answers Choice
1 In this process pyruvic acid is not used as substrate Alcoholic fermentation Calvin cycle Aerobic respiration Lactic acid fermentation
2 In this process a carbon dioxide molecule is released Lactic acid fermentation Alcoholic fermentation Glycolysis Hydrolysis of glycogen
3 Fermentation is Incomplete oxidation of proteins<span style="white-space:pre"> </span> Complete oxidation of carbohydrates Aerobic respiration Incomplete oxidation of carbohydrates
4 Components of respiratory electron transport chain are 2<span style="white-space:pre"> </span> 3 4 5
5 The site for oxidative phosphorylation in mitochondria Mitochondrial matrix Outer compartment F1 particles Cristae
6 Cytochrome b is oxidized by ___ in respiratory chain Coenzyme Q Cytochrome c Cytochrome a Oxygen
7 Number of ATPs produced by aerobic respiration in bacteria 38 36 34 32
8 In a respiratory chain, each NADH produce ____ATPs <span style="white-space: normal;">1<span style="white-space:pre"> </span></span> 2 3 4
9 The final acceptor of electrons in respiratory chain is Cyt. a Cyt. a3 Water<span style="white-space:pre"> </span> Oxygen
10 Most of the energy in the cell is liberated by oxidation of carbohydrates when Glucose is converted intoalcohol and CO2 Sugar is converted into pyruvic acid Pyruvic acid is converted into CO<sub>2</sub> and H<sub>2</sub>O Pyruvic acid is converted into CoA
11 It is universal hydrogen acceptor ATP<span style="white-space:pre"> </span> FMN<span style="white-space:pre"> </span> CoA NAD
12 Which of the following oxidizes malate to oxaloacetate in kreb’s cycle? ATP<span style="white-space:pre"> </span> NADP+ NAD+ FAD
13 Pick up 5 carbon compound Oxaloacetate RuBP Ketoglutarate Both b and c
14 Indirect ATP is formed during the production of ___ in krebs cycle Isocitrate<span style="white-space:pre"> </span> Succinate<span style="white-space:pre"> </span> Citrate Malate
15 Number of NADH molecules formed in Krebs cycle starting from one molecule of glucose 6 3 2 1
16 In Krebs cycle hydration occurs during the conversion of Citrate into isocitrate Malate into fumarate Citrate into malate Fumarate into malate
17 In krebs cycle, oxidation takes place in the formation of ___ without decarboxylation Succinate Ketoglutarate Malate Fumrate
18 Which part of mitochondria is the site of link reaction and kreb’s cycle and contains the enzymes needed for these reactions? Outer membrane Matrix<span style="white-space:pre"> </span> Inner membrane Crista
19 How many molecules of ATP would be utilized for phosphorylation of one glucose molecule during glycolysis? Five<span style="white-space:pre"> </span> Four<span style="white-space:pre"> </span> Three<span style="white-space:pre"> </span> Two
20 In Glycolysis the net gain is 2 ATP and 2 molecules of NADH<sub>2</sub> FADH<sub>2</sub> FMNH<sub>2</sub> FAD
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