Net Production of NADH and ATP

Q. Net gain of ATP from one molecule of glucose in glycolysis in aerobic organisms is

1. 3
2. 6
3. 8
4. 2

Q.

Which steps of glycolysis are irreversible?

Q.

Out of 38 ATP molecules produced per glucose, 32 ATP molecules are formed from NADH/ FADH₂ in

1. Krebs Cycle

2. Respiratory chain

3. Oxidative decarboxylation

4. EMP

Q. The net gain of ATP produced during glycolysis is

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

Q.

What is the input and output of oxidative phosphorylation?

Q. How many $ATP$ is generated in aerobic respiration via glycerol phosphate shuttle in eukaryotes?

1. $36\text{ATP}$
2. $40\text{ATP}$
3. $38\text{ATP}$
4. $80\text{ATP}$

Q.

What enzyme is used for substrate level phosphorylation?

Q.

Given below is a diagram showing ATP synthesis during aerobic respiration, replace the symbols A, B, C, D and E by appropriate terms as given below.

$F_1$ particle, formation of Pi, $2H^{+}$ inner mitochondrial. membrane, ATP, Fo particle, ADP.

Q.

What macromolecule will your body break down first in order to get ATP?

Q.

Q. During glycolysis, the direct conversion of fructose-6-phosphate from glucose can be done, but first of all the glucose is converted into glucose-6-phosphate and then to fructose-6-phosphate..

Why ?

Q. Net gain of glycolysis is

1. 3 ATP and 1 NADH2
2. 2 ATP and 2 NADH2
3. 6 ATP and 4 NADH2
4. 10 ATP and 6 NADH2

Q. During glycolysis the number of ATP molecules utilised to change glucose into fructose 1, 6-bisphosphate are

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

Q. A 60 kg adult consumed 0.5 mol sucrose. Can you find out the number of glycolytic pathways to completely convert 0.5 mol sucrose into pyruvate?

1. $3.011\times {10}^{23}$
2. $12.044\times {10}^{23}$
3. $9.033\times {10}^{23}$
4. $6.022\times {10}^{23}$

Q. How many $ATP$ is generated in aerobic respiration via glycerol phosphate shuttle in eukaryotes?

1. $38\text{ATP}$
2. $36\text{ATP}$
3. $40\text{ATP}$
4. $80\text{ATP}$

Q.

Do Mitochondria use glucose?

Q. Assertion :Glycolysis is the first step of respiration in which glucose completely breaks into $C{O}_2$ and $H_{2}O$. Reason: In this process, there is net gain of twenty four molecules of ATP.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
3. Assertion is correct but Reason is incorrect.
4. Both Assertion and Reason are incorrect.

Q. Total number of ATPs formed by substrate level phosphorylation (SLP) in glycolysis are ______.

1. 4
2. 2
3. 6
4. 38

Q. Net gain of ATP from one molecule of glucose in glycolysis in aerobic organisms is

1. 2
2. 8
3. 3
4. 6

Q. How many net ATP(s) is/are produced during glycolysis?

1. \N
2. 1
3. 2
4. 4

Q. Choose the steps of glycolysis where substrate level phosphorylation occurs:
(a) Glucose $\to$ Glucose-6-phosphate
(b) $1,3$-bisphosphoglyceric acid $\to$ 3-phosphoglyceric acid
(c) $1,3$-bisphosphoglyceraldehyde $\to$ $1,3,$-bisphosphoglyceric acid
(d) Phosphoenolpyruvate $\to$ Pyruvate
(e) Fructose-6-phosphate $\to$ Fructose-$1,6$-bisphosphate

1. a, e
2. a, c
3. b, d
4. a, b, d, e

Q. The net gain of ATP produced during glycolysis is

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

Q. What is milk sugar?

1. Glucose
2. Galactose
3. Lactose
4. Sucrose

Q. Which of these steps in Krebs cycle indicates substrate level phosphorylation? Conversion of

1. Succinic acid to $\alpha$-ketoglutaric acid
2. Succinic acid to malic acid
3. Succinyl CoA to succinic acid
4. Citric acid to $\alpha$-ketoglutaric acid
5. malic acid to oxaloacetic acid

Q. Net gain of ATP molecules during glycolysis is

1. 24
2. 2
3. 38
4. 4

Q. Energy made available in catabolic reactions is immediately stored in

1. Glucose
2. NADH
3. ATP
4. DNA

Q. Total number of ATPs formed by substrate level phosphorylation (SLP) in glycolysis are ______.

1. 4

2. 2

3. 6

4. 38

Q. In hexose monophosphate shunt, the net formation of ATP molecules is

1. 36
2. 35
3. 38
4. 34

Q.

1. ATP, hydrogen and $O_2$ donor
2. hydrogen, $O_2$ and sugar
3. ATP, hydrogen and $O_2$
4. ATP and sugar

Q. Value Based Questions :
An aerobic organism is kept in an atmosphere of isotopic oxygen $\left(0^{18}\right)$ Which of the two compounds released, water and carbon dioxide, will be found to contain the isotope?

Q. Non-competitive inhibition often results in

1. Change in enzyme structure
2. Blocking of active site
3. Non-synthesis of enzymes
4. Non-availability of cofactor