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Q. No.
Statement I:
In fermentation, there is a net gain of 12 molecules of ATP for each molecule of glucose degraded to pyruvic acid whereas only 2 molecules of ATP are generated under aerobic conditions.
Statement II:
Fermentation accounts for only a partial breakdown of glucose whereas in aerobic respiration it is completely degraded to CO2 and H2O.
In light of the above statements, choose the most appropriate answer from the options given below:
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: Glycolysis | Fermentation |
75%
From NCERT
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NEET 2025 - Target Batch
Given below are two statements:
In light of the above statements, choose the most appropriate answer from the options given below:
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
| Statement I: | The first five reactions of glycolytic pathway convert a molecule of glucose into 2 molecules of glyceraldehyde-3-phosphate. |
| Statement II: | The final product of glycolysis is pyruvate in aerobic settings and lactate in anaerobic conditions. |
1. Both Statement I and Statement II are correct.
2. Both Statement I and Statement II are incorrect.
3. Statement I is correct but Statement II is incorrect.
4. Statement I is incorrect but Statement II is correct.
Subtopic: Glycolysis | Fermentation |
57%
From NCERT
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Which of the following event occurs in aerobic respiration?
A.
B. \(\text { Pyruvic acid }+\mathrm{COA}+\mathrm{NAD}^{-} \underset{\text { Pyruvate dehydrogenase }}{\stackrel{\mathrm{Mg}^{2-}}{\longrightarrow}} \text { Acetyl } \mathrm{COA}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathrm{H}^{-}\)
C.
D. \(\text { Pyruvic acid }+4 \mathrm{NAD}^{-}+\mathrm{FAD}^{-}+2 \mathrm{H}_{2} \mathrm{O}+\mathrm{ADP}+\mathrm{P}_{i} \stackrel{\text { Mitochondrial Matrix }}{\longrightarrow} 3 \mathrm{CO}_{2}+4 \mathrm{NADH}+4 \mathrm{H}^{-}+\mathrm{FADH}_{2}+\mathrm{ATP}^{}\)
E. \(\text { Pyruvic acid }+\mathrm{COA}+\mathrm{NAD}^{-} \stackrel{\text { Mitochondrial Matrix }}{\longrightarrow} \text { Acetyl } \mathrm{COA}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathrm{H}^{-}\)
Choose the correct answer from the options given below:
1. B, D and E only
2. B, C and D only
3. B and D only
4. B and E only
A.
B. \(\text { Pyruvic acid }+\mathrm{COA}+\mathrm{NAD}^{-} \underset{\text { Pyruvate dehydrogenase }}{\stackrel{\mathrm{Mg}^{2-}}{\longrightarrow}} \text { Acetyl } \mathrm{COA}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathrm{H}^{-}\)
C.
D. \(\text { Pyruvic acid }+4 \mathrm{NAD}^{-}+\mathrm{FAD}^{-}+2 \mathrm{H}_{2} \mathrm{O}+\mathrm{ADP}+\mathrm{P}_{i} \stackrel{\text { Mitochondrial Matrix }}{\longrightarrow} 3 \mathrm{CO}_{2}+4 \mathrm{NADH}+4 \mathrm{H}^{-}+\mathrm{FADH}_{2}+\mathrm{ATP}^{}\)
E. \(\text { Pyruvic acid }+\mathrm{COA}+\mathrm{NAD}^{-} \stackrel{\text { Mitochondrial Matrix }}{\longrightarrow} \text { Acetyl } \mathrm{COA}+\mathrm{CO}_{2}+\mathrm{NADH}+\mathrm{H}^{-}\)
Choose the correct answer from the options given below:
1. B, D and E only
2. B, C and D only
3. B and D only
4. B and E only
Subtopic: Glycolysis | Aerobic Respiration | Kreb's Cycle |
54%
From NCERT
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Hints
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Arrange the following steps of Glycolysis, starting from last to first
A. Glyceraldehyde-3-phosphate → 1,3, bis phosphoglyceric acid
B. Fructose-6-phosphate → Fructose 1,6, bisphosphate
C. Glucose → Glucose-6-phosphate
D. 3-Phosphoglyceric Acid → 2-Phosphoglycerate
E. Phosphoenol pyruvate → Pyruvic Acid
Choose the correct answer from the options given below
1. A, D, E, B, C
2. E, D, A, B, C
3. D, E, B, A , C
4. B, E, A, D, C
A. Glyceraldehyde-3-phosphate → 1,3, bis phosphoglyceric acid
B. Fructose-6-phosphate → Fructose 1,6, bisphosphate
C. Glucose → Glucose-6-phosphate
D. 3-Phosphoglyceric Acid → 2-Phosphoglycerate
E. Phosphoenol pyruvate → Pyruvic Acid
Choose the correct answer from the options given below
1. A, D, E, B, C
2. E, D, A, B, C
3. D, E, B, A , C
4. B, E, A, D, C
Subtopic: Glycolysis |
88%
From NCERT
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Hints
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Given below are two statements :
Statement I: Respiratory Quotient (RQ) is the ratio of the volume of CO2 evolved to the volume of O2 consumed
Statement II: Respiratory Quotient (RQ) is the ratio of the volume of O2 evolved to the volume of CO2 consumed
In light of the above statements, choose the most appropriate answer from the options given below
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Statement I: Respiratory Quotient (RQ) is the ratio of the volume of CO2 evolved to the volume of O2 consumed
Statement II: Respiratory Quotient (RQ) is the ratio of the volume of O2 evolved to the volume of CO2 consumed
In light of the above statements, choose the most appropriate answer from the options given below
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Subtopic: Respiratory Quotient |
89%
From NCERT
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In glycolysis, fructose 1,6-bisphosphate is split into DHAP and PGAL. PGAL refers to
1. 3-phosphoglyceraldehyde
2. Pyruvic glyceraldehyde
3. Phosphate glyceraldehyde
4. None of the above
1. 3-phosphoglyceraldehyde
2. Pyruvic glyceraldehyde
3. Phosphate glyceraldehyde
4. None of the above
Subtopic: Glycolysis |
78%
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Hints
Identify the enzyme of TCA cycle located in the inner mitochondrial membranes, and its function.
1. Lactate dehydrogenase and it converts NAD+ to NADH
2. Succinate dehydrogenase and it reduces ubiquinone to ubiquinol
3. Succinate dehydrogenase and it converts NAD+ to NADH
4. Lactate dehydrogenase and it catalyzes the conversion of isocitrate into alpha-ketoglutarate
1. Lactate dehydrogenase and it converts NAD+ to NADH
2. Succinate dehydrogenase and it reduces ubiquinone to ubiquinol
3. Succinate dehydrogenase and it converts NAD+ to NADH
4. Lactate dehydrogenase and it catalyzes the conversion of isocitrate into alpha-ketoglutarate
Subtopic: Kreb's Cycle |
55%
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Hints
Consider the following reactions in glycolysis and arrange in correct sequence:
A. Phosphorylation of glucose
B. Isomerisation of glucose-6-phosphate
C. Isomerisation of dihydroxyacetone phosphate
D. Phosphorylation of fructose-6-phosphate
E. Cleavage of fructose 1, 6-diphosphate
Choose the correct from the options given below:
1. D>B>A>E>C
2. A>B>D>E>C
3. D>B>E>C>A
4. A>E>B>D>C
A. Phosphorylation of glucose
B. Isomerisation of glucose-6-phosphate
C. Isomerisation of dihydroxyacetone phosphate
D. Phosphorylation of fructose-6-phosphate
E. Cleavage of fructose 1, 6-diphosphate
Choose the correct from the options given below:
1. D>B>A>E>C
2. A>B>D>E>C
3. D>B>E>C>A
4. A>E>B>D>C
Subtopic: Glycolysis |
89%
From NCERT
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Given below are two statements
Statement I: The end products of Electron Transport System (ETS) are ATP and H2O
Statement II: ETS begins with a reduction of NADH+H+ and ends with oxidation of O2
In light of the above statements, choose the most appropriate answer from the options given below
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Statement I: The end products of Electron Transport System (ETS) are ATP and H2O
Statement II: ETS begins with a reduction of NADH+H+ and ends with oxidation of O2
In light of the above statements, choose the most appropriate answer from the options given below
1. Both Statement I and Statement II are correct
2. Both Statement I and Statement II are incorrect
3. Statement I is correct but Statement II is incorrect
4. Statement I is incorrect but Statement II is correct
Subtopic: ETS:1 |
55%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
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NEET 2025 - Target Batch
Arrange the following steps of Glycolysis, starting from first to last
A. Glyceraldehyde-3-phosphate → 1,3- bis phosphoglyceric acid
B. Fructose-6-phosphate → Fructose-, 1,6-bisphosphate
C. Glucose → Glucose-6-phosphate
D. 3-Phosphoenol pyruvate → Pyruvic Acid
Choose the correct answer from the options given below
1. C, E, A, D, B
2. C, D, A, E, B
3. C, B, A, D, E
4. C, A, B, D, E
A. Glyceraldehyde-3-phosphate → 1,3- bis phosphoglyceric acid
B. Fructose-6-phosphate → Fructose-, 1,6-bisphosphate
C. Glucose → Glucose-6-phosphate
D. 3-Phosphoenol pyruvate → Pyruvic Acid
Choose the correct answer from the options given below
1. C, E, A, D, B
2. C, D, A, E, B
3. C, B, A, D, E
4. C, A, B, D, E
Subtopic: Glycolysis |
89%
From NCERT
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