Select Chapter Topics:
Q. No.Pyruvate, the end product of glycolysis, has varied fates depending on the different conditions as shown below. The end products A, B and C are:
A
B
C
1.
Carbon dioxide and Water
Lactate
Ethanol and Carbon dioxide
2.
Only Carbon dioxide
Lactate and Carbon dioxide
Ethanol and Carbon dioxide
3.
Carbon dioxide and Water
Lactate and Carbon dioxide
Ethanol
4.
Ethanol and Carbon dioxide
Lactate
Carbon dioxide and Water
Subtopic: Glycolysis |
79%
Study the metabolic pathway given below and select the correct statements from the statements given:
I: It shows that the Krebs cycle is an amphibolic pathway.
II: An amphibolic pathway is a type of catabolic pathway that is involved in the production of ATP.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
I: It shows that the Krebs cycle is an amphibolic pathway.
II: An amphibolic pathway is a type of catabolic pathway that is involved in the production of ATP.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Aerobic Respiration |
73%
The given diagram shows an important component of the mitochondrial electron transport chain. Identify A, B and C:
| A | B | C | |
| 1. | Complex I | FMN | Fe-S |
| 2. | Complex I | Fe-S | FMN |
| 3. | Complex II | FMN | Fe-S |
| 4. | Complex II | Fe-S | FMN |
Subtopic: ETS |
64%
Given below is the schematic representation of the electron transport chain in mitochondria. Identify the correct statement:
1. (1) is NADH; 4 is FAD; 6 is fumarate; 8 is oxygen and 10 is ATP
2. (2) is NAD+ ; 4 is FADH2; 6 is succinate; 8 is oxygen and 10 is ADP
3. (1) is NADH; 4 is Fumarate; 6 is FAD; 8 is water and 10 is ATP
4. (2) is NAD+; 3 is succinate; 6 is FAD; 8 is oxygen and 10 is ADP
1. (1) is NADH; 4 is FAD; 6 is fumarate; 8 is oxygen and 10 is ATP
2. (2) is NAD+ ; 4 is FADH2; 6 is succinate; 8 is oxygen and 10 is ADP
3. (1) is NADH; 4 is Fumarate; 6 is FAD; 8 is water and 10 is ATP
4. (2) is NAD+; 3 is succinate; 6 is FAD; 8 is oxygen and 10 is ADP
Subtopic: ETS |
54%
Given below is the schematic representation of the reactions in Krebs' Citric Acid Cycle. Identify the correct statements:
I: Oxidative decarboxylation steps are Step 4 and Step 5.
II. The reducing power 'NADH' is generated at Step 4, Step 5 and Step 9.
III. FADH2 is generated at Step 7.
I: Oxidative decarboxylation steps are Step 4 and Step 5.
II. The reducing power 'NADH' is generated at Step 4, Step 5 and Step 9.
III. FADH2 is generated at Step 7.
| 1. | Only I and II | 2. | Only I and III |
| 3. | Only II and III | 4. | I, II and III |
Subtopic: Kreb's Cycle |
74%
Given below is the schematic representation of alcohol fermentation. Study the diagram and select the correct statements that follow:
I: Yeasts perform this metabolic conversion when growing in the absence of oxygen.
II: The metabolic conversion of pyruvate into acetaldeyhde is catalysed by the enzyme pyruvate dehydrogenase.
III: The metabolic conversion of acetaldehyde into ethanol is catalysed by the enzyme alcohol dehydrogenase.
I: Yeasts perform this metabolic conversion when growing in the absence of oxygen.
II: The metabolic conversion of pyruvate into acetaldeyhde is catalysed by the enzyme pyruvate dehydrogenase.
III: The metabolic conversion of acetaldehyde into ethanol is catalysed by the enzyme alcohol dehydrogenase.
| 1. I and II | 2. I and III |
| 3. II and III | 4. I, II and III |
Subtopic: Fermentation |
52%
What will be true for the metabolic reaction shown in the given figure?
I. It shows hydrolysis of sucrose, a disaccharide, into two monosaccharides, a glucose and a fructose molecule.
II. The enzyme that is capable of catalysing this reaction is invertase.
I. It shows hydrolysis of sucrose, a disaccharide, into two monosaccharides, a glucose and a fructose molecule.
II. The enzyme that is capable of catalysing this reaction is invertase.
| 1. | Only I | 2. | Only II |
| 3. | Both I and II | 4. | Neither I nor II |
Subtopic: Glycolysis |
90%
When proteins are respiratory substrates, the respiratory quotient is about:
| 1. | 0.7 | 2. | 0.9 |
| 3. | 1.0 | 4. | 4.0 |
Subtopic: Respiratory Quotient |
90%
From NCERT
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Hints
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
The following equation shows the complete oxidation of tripalmitin [a fatty acid] during cellular respiration. Calculate the RQ:
\(2(C_{51}H_{98}O_6)+145O_2\longrightarrow \\102CO_2+98H_2O+\text{energy}\)
\(2(C_{51}H_{98}O_6)+145O_2\longrightarrow \\102CO_2+98H_2O+\text{energy}\)
| 1. | 0.7 | 2. | 0.9 |
| 3. | 1.0 | 4. | 4.0 |
Subtopic: Respiratory Quotient |
90%
From NCERT
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Hints
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Consider the following statements:
1. Only II is incorrect
2. Only III is incorrect
3. Both I and III are incorrect
4. I, II and III are correct
| I: | If fatty acids were to be respired, they would enter the respiratory pathway as acetyl CoA. |
| II: | Glycerol enters the respiratory pathway after being converted to PGAL. |
| III: | Amino acids enter the respiratory pathway at some stage within the Krebs cycle but never as pyruvate or acetyl CoA. |
2. Only III is incorrect
3. Both I and III are incorrect
4. I, II and III are correct
Subtopic: Amphibolic Nature of Respiration |
74%
From NCERT
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Hints
To unlock all the explanations of 38 chapters you need to be enrolled in MasterClass Course.
Select Chapter Topics:
© 2024 GoodEd Technologies Pvt. Ltd.