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 |
 81%
Level 1: 80%+
NEET - 2024
Hints

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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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%+
NEET - 2024
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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 |
 78%
Level 2: 60%+
NEET - 2024
Hints

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
Hints

Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion (A): ATP is used at two steps in glycolysis.
Reason (R): First ATP is used in converting glucose into glucose-6-phosphate and second ATP is used in conversion of fructose-6-phosphate into fructose-1-6-diphosphate.
In the light of the above statements, choose the correct answer from the options given below :
1. (A) is False but (R) is True.
2. Both (A) and (R) are True and (R) is the correct explanation of (A).
3. Both (A) and (R) are True but (R) is not the correct explanation of (A).
4. (A) is True but (R) is False.
Subtopic:  Glycolysis |
 82%
Level 1: 80%+
NEET - 2023
Hints

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Match List-I with List-II 
List-I List-II
A. Oxidative decarboxylation I. Citrate synthase
B. Glycolysis II. Pyruvate dehydrogenase
C. Oxidative phosphorylation III. Electron transport system
D. Tricarboxylic acid cycle IV. EMP pathway 
Choose the correct answer from the options given below:
Options: A B C D
1. II IV III I
2. III IV II I
3. II IV I III
4. III I II IV
Subtopic:  Aerobic Respiration | Kreb's Cycle |
 73%
Level 2: 60%+
NEET - 2023
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How many times decarboxylation occurs during each TCA cycle?
1.Thrice2.Many
3.Once4.Twice
Subtopic:  Kreb's Cycle |
 73%
Level 2: 60%+
NEET - 2023
Hints

Fatty acids are connected with the respiratory pathway through:
1. Acetyl CoA
2. α - Ketoglutaric acid
3. Dihydroxy acetone phosphate
4. Pyruvic acid
Subtopic:  Amphibolic Nature of Respiration |
 81%
Level 1: 80%+
NEET - 2023
Hints

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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 |
 89%
Level 1: 80%+
NEET - 2022
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