Glycolysis

Q.

What converts pyruvate to acetyl-CoA?

Q.

Which stage of cellular respiration produces the most ATP?

Q.

Where is ATP produced in cellular respiration?

Q. Which of the following are end products of glycolysis?

1. Pyruvic acid
2. ATP
3. Carbon dioxide
4. ${\mathrm{NADH}}_2$

Q. How many PGAL are produced by glycolysis of 3 molecules of glucose? How many ATP are released by respiration of these PGAL till formation of $C{O}_2$ and $H_{2}O$?

1. 4 PGAL-40 ATP
2. 6 PGAL-160 ATP
3. 4 PGAL-80 ATP
4. 6 PGAL-120 ATP

Q.

Glycolysis is the breakdown of glucose to pyruvic acid. How many molecules of pyruvic acid are formed from one molecule of glucose?

1. 2

2. 3

3. 1

4. 4

Q. In alcohol fermentation:

1. Triose phosphate is the electron donor while acetaldehyde is the electron acceptor
2. Triose phosphate is the electron donor while pyruvic acid is the electron acceptor
3. There is no electron donor
4. Oxygen is the electron acceptor

Q.

Name some autotrophs besides green plants.

Q.

What is pyruvate? What is its role in respiration?

Q. How many ATP molecules are produced in the process of glycolysis of cellular respiration?

1. 2
2. 4
3. 28
4. 18

Q.

The calorific values of lipids and carbohydrates respectively are

Q.

___ are the pigments which are capable of trapping light energy.

Q.

Name the immediate and the end product of glucose breakdown in aerobic respiration

Q. The complex with cytochromes $b,c_1$ is _____.

1. Cytochrome c oxidase
2. Cytochrome c reductase
3. Succinic dehydrogenase
4. NADH-Q reductase

Q.

What is anerobic respiration?

How does it takes place

Q. How many NAD molecules get reduced in complete oxidation of one glucose molecule?

1. 10
2. 5
3. 2
4. 12

Q. 2 $NADH\left(H^{+}\right)$ produced during anaerobic glycolysis yield

1. 6 ATP molecules
2. None of these
3. 64 ATP molecules
4. 8 ATP molecules

Q. When there is lack of oxygen in our muscle cells, X gets converted into Y whose build-up in the cell leads to muscle cramps.​

Identify both X and Y.
A) X- glucose; Y- pyruvate
B) X- pyruvate; Y- glucose
C) X- pyruvate; Y- ethanol
D) X- glucose; Y- lactic acid

Q.

What is Glycolysis?

Q.

Glycolysis is the breakdown of glucose to pyruvic acid. How many molecules of pyruvic acid are formed from one molecule of glucose?

1. 4

2. 2

3. 3

4. 1

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> What is ATP? Name the three components of ATP.

Q. How many net ATP molecules are produced in the process of glycolysis?

1. 32
2. 2
3. 38
4. 4

Q. Aerobic respiration occurs in major steps like

1. All the above
2. Krebs cycle
3. Electron transport chain
4. Glycolysis

Q.

Expand the term ADP.

Q. Match column I with column II and select the correct option from the given codes.

Sr.no	Column I	Sr.no	Column II
A.	TCA cycle	(i)	Inner mitochondrial membrane
B.	$F_0-F_1$ particles	(ii)	Hans Krebs
C.	End product of glycolysis	(iii)	Oxidative decarboxylation
D.	Pyruvate dehydrogenase	(iv)	Pyruvic acid

1. A-(ii), B-(i), C-(iv), D-(iii)
2. A-(i), B-(ii), C-(iv), D-(iii)
3. A-(ii), B-(iii), C-(iv), D-(i)
4. A-(iii), B-(ii), C-(i), D-(iv)

Q. Very Short Answer Types :
Name three steps of aerobic respiration.

Q. Which of the following contains one phospate bond?
A.Nadh B. Amp
C. Atp D. Adp

Q. The energy of ATP is released when the bonds between the _______ groups are broken.

1. adenine
2. phosphate
3. ribose
4. nitrogen

Q. How is the blood glucose level maintained in the body of ​ person when he/she is fasting?

Q. Product of glycolysis is

1. Dihydroxy acetone
2. Phosphoenol pyruvate
3. Pyruvic acid
4. Citric acid