Glycolysis

Q.

How many ATPs are produced in aerobic respiration?

Q.

Write a short note on glycolysis.

Q.

How many NADH molecules are produced by glycolysis?

Q.

In glycolysis, during oxidation electrons are removed by

1. glyceraldehyde 3-phosphate

2. NAD+

3. Molecular oxygen

4. ATP

Q. The enzymes of glycolytic pathway are found in _____.

1. Peroxisome
2. Mitochondria
3. Cytoplasm
4. Cytochrome

Q.

At the end of glycolysis, the six-carbon compound ultimately changes into-

1. acetyl-Co­A

2. ethyl alcohol

3. ATP

4. pyruvic acid

Q. Glycolysis:

1. Takes place in all living cells
2. Causes partial oxidation of glucose (one molecule) to form 2 molecules of pyruvate and 2 ATP molecules as net gain
3. Utilises 2 ATP molecules
4. All of these

Q.

Where is oxygen used in cellular respiration?

Q.

What happens in glycogenolysis?

Q. Which of the following groups of organisms perform glycolysis?

1. Eukaryotes only
2. Prokaryotes only
3. Both eukaryotes and prokaryotes
4. None of the above

Q. How many steps in glycolysis are irreversible?

1. 2
2. 3
3. 4
4. 5

Q. The following is a simplified scheme showing the fate of glucose during aerobic and anaerobic respiration. Identify the end products that are formed at stages indicated as A, B, C and D
Identify the correct option from those given below.

1. A-Carbon dioxide and water, B-Pyruvic acid, C-Ethyl alcohol and carbon dioxide, D-Lactic acid
2. A-Pyruvic acid, B-Carbon dioxide and water, C-lactic acid, D-Ethyl alcohol and carbon dioxide
3. A-Pyruvic acid, B-Carbon dioxide and water, C-Ethyl alcohol and carbon dioxide, D-Lactic acid
4. A-Pyruvic acid, B-Ethyl alcohol and cargon dioxide, C-Lactic acid, D-Carbon dioxide and water

Q. Glycolysis:

1. Takes place in all living cells
2. Causes partial oxidation of glucose (one molecule) to form 2 molecules of pyruvate and 2 ATP molecules as net gain
3. Utilises 2 ATP molecules
4. All of these

Q. During glycolysis fructose 1, 6-bisphosphate is split into

1. Dihydroxyacetone phosphate and 2-phosphoglyceraldehyde
2. Dihydroxyacetone phosphate and 1-phosphoglyceraldehyde
3. Dihydroxyacetone phosphate and 2-phosphoglycerate
4. Dihydroxyacetone phosphate and 3-phosphoglyceraldehyde

Q. is a common step for both aerobic and anaerobic respiration and results in the formation of .

1. Kreb's cycle
2. Glycolysis
3. TCA cycle
4. pyruvate
5. acetyl-Co-A
6. oxygen

Q. Glycolysis is also known as ___ .

1. HMP Pathway
2. EMP Pathway
3. Hatch and Slack Pathway
4. Glycolate Pathway

Q. Phase common in aerobic and anaerobic respiration is

1. Krebs' cycle
2. Glycolysis
3. Glycogenolysis
4. ETS

Q. All intermediates in glycolysis have a phosphate group attached to them except glucose and pyruvate. Why does phosphorylation of glucose take place during glycolysis?

1. No intermediate will escape the cell even if there is a concentration difference inside and outside the cell
2. Phosphorylated intermediate compounds act as energy donors
3. Binding of a phosphate group helps the enzyme to carry out the reaction
4. All of the above

Q. Glycolysis occurs inside the mitochondria.

1. False
2. True