In glycolysis, the conversion of 1, 3-bisphosphoglyceric acid to 3-phosphoglyceric acid is:
1. Energy yielding process
2. Energy utilising process
3. Phosphorylation process
4. Isomerisation process

Subtopic:  Glycolysis |
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Level 2: 60%+
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Which of the following statements are correct about respiration? 
A. Energy of oxidation-reduction is utilised for phosphorylation 
B. Oxygen acts as the final hydrogen acceptor 
C. The photo-oxidative energy is utilised for production of proton gradient required for phosphorylation
D. The role of oxygen is limited to the terminal stage of the respiration process 
E. Protons cross the outer membrane of mitochondria through the channel formed by an integral membrane protein complex
Choose the correct answer from the options given below:
1. A, B, C, E only  2. A, B, D only 
3. B, C, D, E only  4. A, C, D only  
Subtopic:  ETS |
 56%
Level 3: 35%-60%
NEET - 2024
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In plants, sucrose is converted into two molecules of monosaccharides due to action of invertase and then both enter the glycolytic pathway. Identify the monosaccharides.
1. Glucose and glucose 2. Glucose and fructose
3. Glucose and galactose 4. Fructose and galactose
Subtopic:  Glycolysis |
 91%
Level 1: 80%+
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Identify the step in tricarboxylic acid cycle, which does not involve oxidation of substrate?
1. Succinic acid \(\rightarrow\) Malic acid 
2. Succinyl-CoA \(\rightarrow\) Succinic acid
3. Isocitrate  \(\rightarrow\)  \(\alpha\) - ketoglutaric acid
4. Malic acid   \(\rightarrow\)  Oxaloacetic acid
Subtopic:  Kreb's Cycle |
Level 3: 35%-60%
NEET - 2024
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Match List-I with List-II:
List-I List-II
A. Citric acid cycle  I. Cytoplasm
B. Glycolysis II. Mitochondrial matrix
C. Electron transport
system
III. Intermembrane space
of mitochondria
D. Proton gradient IV. Inner mitochondrial
membrane

Choose the correct answer from the option given below:
1. A-II, B-I, C-IV, D-III
2. A-III, B-IV, C-I, D-II
3. A-IV, B-III, C-II, D-I
4. A-I, B-II, C-III, D-IV
Subtopic:  Glycolysis | Kreb's Cycle | Oxidative Phosphorylation | ETS |
 80%
Level 1: 80%+
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Match the processes involved in aerobic respiration given in Column I with its occurrence in cell from Column II and choose the correct option:
Column I Column II
i. Glycolysis  a. Mitochondrial matrix
ii. Krebs cycle  b. Cytoplasm
iii. ETS c. Inner mitochondrial membrane
1. i-b, ii-a, iii-c
2. i-c, ii-b, iii-a
3. i-c, ii-a, iii-b
4. i-a, ii-c, iii-b 
Subtopic:  ETS |
 91%
Level 1: 80%+
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The number of points in the TCA cycle where FAD+ is reduced to FADH2 is/are:
1. 1
2. 2
3. 3
4. 4
Subtopic:  Kreb's Cycle |
 89%
Level 1: 80%+
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Consider the given two statements:
Assertion (A): When carbohydrates are used as respiratory substrate and are completely oxidised, the RQ will be 1.
Reason (R): Equal amounts of CO2 and O2 are evolved and consumed, when carbohydrates are used as respiratory substrate and are completely oxidised.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A)
2. Both (A) and (R) are True but (R) is not the correct explanation of (A) 
3. (A) is True but (R) is False
4. (A) is False but (R) is True
Subtopic:  Respiratory Quotient |
 94%
Level 1: 80%+
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Consider the given two statements:
Assertion (A): It is better to consider the respiratory pathway as an amphibolic pathway rather than only as a catabolic one.
Reason (R): Breaking down processes within the living organism is catabolism, and synthesis is anabolism.
 
1. Both (A) and (R) are True and (R) correctly explains (A)
2. Both (A) and (R) are True but (R) does not correctly explains (A)
3. (A) is True but (R) is False
4. (A) is False but (R) is True
Subtopic:  THE RESPIRATORY BALANCE SHEET |
 59%
Level 3: 35%-60%
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Consider the given two statements:
Statement I: Fatty acids would be broken down to acetyl CoA before entering the respiratory
pathway when it is used as a substrate.
Statement II: When the organism needs to synthesise fatty acids, acetyl CoA would be
withdrawn from the respiratory pathway for it.
 
1. Statement I is correct; Statement II is incorrect
2. Statement I is incorrect; Statement II is correct
3. Statement I is incorrect; Statement II is incorrect
4. Statement I is correct; Statement II is correct
Subtopic:  Amphibolic Nature of Respiration | THE RESPIRATORY BALANCE SHEET |
 84%
Level 1: 80%+
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