Which of the following statements is incorrect? 

1. ATP is synthesized through complex V.

2. Oxidation-reduction reactions produce proton gradient in respiration. 

3. During aerobic respiration, the role of oxygen is limited to the terminal stage. 

4. In ETC (Electron Transport Chain), one molecule of NADH+H+ gives rise to 2ATP molecules, and one FADH2 gives rise to 3 ATP molecules.

Subtopic:  ETS |
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The number of substrate level of phosphorylations in one turn of citric acid cycle is

1. One

2. Two

3. Three

4. Four

Subtopic:  Kreb's Cycle |
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Pyruvate dehydrogenase activity during aerobic respiration requires :-

1. Calcium

2. Iron

3. Cobalt

4. Magnesium

Subtopic:  Aerobic Respiration |
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Conversion of glucose to glucose-6-phosphate, the first irreversible reaction of glycolysis, is catalyzed by:

1. Phosphofructokinase

2. Aldolase

3. Hexokinase

4. Enolase

Subtopic:  Glycolysis |
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Respiratory Quotient (RQ) value of tripalmitin is:
1. 0.09
2. 0.9
3. 0.7
4. 0.007

Subtopic:  Respiratory Quotient |
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Which of the following statements regarding mitochondria is incorrect ?

1. Mitochondrial matrix contains single circular DNA molecule and ribosomes

2. Outer membranes is permeable to monomers of carbohydrates, fats and proteins

3. Enzymes of electron transport are embedded in outer membrane

4. Inner membrane is convoluted with infoldings

Subtopic:  ETS |
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Where is the respiratory electron transport system (ETS) located in plants?

1. Mitochondrial matrix

2. Outer mitochondrial membrane

3. Inner mitochondrial membrane

4. Intermembrane space

Subtopic:  ETS:1 | ETS |
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What amount of energy is released from glucose during lactic acid fermentation?
1. Less than 7%
2. Approximately 15%
3. More than 18%
4. About 10%
Subtopic:  Fermentation |
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What is the net gain of ATP when each molecule of glucose is converted to two molecules of pyruvic acid?
1. Eight
2. Four
3. Six
4. Two
Subtopic:  Glycolysis |
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Match List-I with List II

List-I List-II
(a) ETS complex-I (i) Cyt be1
(b) ETS complex-II (ii) Cyt a,a3 and 2 copper centres 
(c) ETS complex III (iii) NADH dehydrogenase
(d) ETS complex-IV  (iv) Ubiquinone and FADH  dehydrogenase

Choose the correct answer from the options given below:

(a) (b) (c) (d)
1. (ii) (i) (iv) (iii)
2. (iv) (iii) (ii) (i)
3. (iii) (ii) (i) (iv)
4. (iii) (iv) (i) (ii)
Subtopic:  ETS |
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