Complex II

Q.

How many ATPs are equal to one NADH?

Q.

What are the four complexes present in the ETC?

Q.

Where are the cytochromes found?

1. Lysosomes

2. Mitochondrial matrix

3. Outer wall of mitochondria

4. Cristae of mitochondria

Q. How many protons are accumulated in intermembrane space of mitochondria from one molecule of \(NADH\) during \(ETS\)?

Q.

EMP can produce a total of?

1. 8 ATP

2. 6 ATP

3. 38 ATP

4. 24 ATP

Q. Match Column–I with Column–II and select the correct option from the codes given below:

Column–I (Activator element)	Column–II (Enzyme)
A	Mg${}^{2+}$	(i)	Nitrate reductase
B	Zn${}^{2+}$	(ii)	RuBiSCO, PEPCase
C	Mo	(iii)	Alcohol dehydrogenase

1. A–(ii), B–(iii), C–(i)
2. A–(iii), B–(ii), C–(i)
3. A–(i), B–(iii), C–(ii)
4. A–(ii), B–(i), C–(iii)

Q. Ubiquinone is a/an ___________.

1. inhibitor
2. coenzyme
3. enzyme
4. hormone

Q.

Why is the electron transport chain an aerobic process?

Q. Another name for Complex II in the electron transport chain is

1. NADH-CoQ oxidoreductase
2. Cytochrome bc1 complex
3. Cytochrome c oxidase
4. succinate dehydrogenase

Q. During electron transport, protons are pumped out of the mitochondrion at each of the major sites except for:

1. Complex I
2. Complex III
3. Complex IV
4. Complex II

Q.

Which mineral is required for the production of ATP?

Q. Which among the following membrane bound complexes in mitochondria is not a proton pump?

1. Cytochrome b and c
2. Cytochrome c oxidase
3. Succinate dehydrogenase
4. $\mathrm{NADH}$ dehydrogenase

Q. During the oxidation of $FAD{H}_2$, _________ is not involved.

1. complex II
2. complex I
3. complex IV
4. complex III

Q. During the oxidation of $FAD{H}_2$, _________ is not involved.

1. complex I
2. complex II
3. complex III
4. complex IV

Q. Which among the following enzymes is common for both Krebs cycle and electron transport chain?

1. Citrate dehydrogenase
2. Malate dehydrogenase
3. Fumarate dehydrogenase
4. Succinate dehydrogenase

Q. Which product of glycolysis is consumed in alcoholic fermentation ?

1. $ATPandNAD{H}_2$
2. $NAD{H}_2$
3. $ATP$
4. $C{O}_2$

Q.

What is Q in the ETC?

Q.

What is the major function of the electron transport system?

Q. Oxidation of NADH during oxidative phosphorylation does not involve _______ of ETC.

1. Complex II
2. Complex III
3. Complex IV
4. Complex I

Q.

What does oxidase mean?

Q.

Is ATP a reactant of glycolysis?

Q. Which of the following is main enzyme of plasma membrane?

1. TPPase
2. ATPase
3. Peptidyl transferase
4. Catalases

Q.

What does cytochrome b do?

Q.

Why is succinate dehydrogenase important?

Q. Study the figure which shows the effect of light on the rate of photosynthesis. Based on the graph, what do C and D represent on the curve?

1. C represents that at lower intensity there is no further decrease in photosynthesis and other factors become limiting. D represents the minimum light intensity which can effect the rate of photosynthesis.
2. C represents the maximum light intensity which can effect the rate of photosynthesis. D represents that at higher intensity there is no further increase in photosynthesis and other factors become limiting.
3. C represents that at higher intensity there is no further increase in photosynthesis and other factors become limiting. D represents the maximum light intensity which can effect the rate of photosynthesis.
4. All of the above

Q.

Do plants have cytochrome c?

Q.

Choose a site along the electron transport chain out of the following that is not coupled to ATP synthesis.

1. Complex II

2. Complex III

3. Complex IV

4. Complex I

Q. How many redox equivalents are removed from two molecules of $3-PGAL$?

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

Q.

Critical elements for plant growth are:

1. Na, K, and Ca

2. Na, P, and Mg

3. N, P, and K

4. Mn, B, and Mo

Q. How many ATP are produced when one molecule of $FAD{H}_2$ is oxidized to FAD through Electron Transport System?

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