Complex III

Q. In light reaction, plastocyanin facilitates the transfer of electrons from:

1. ${\text{PS I to NADP}}^{+}$
2. $\text{PS I to ATP synthase}$
3. $\text{Cyt b}{}_6\text{f complex to PS I}$
4. $\text{PS II to cyt b}{}_6\text{f complex}$

Q. In the ETC, electron from ubiquinone are transfered to

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

Q. Which of the folllwing complexes involved in non-cyclic photophosphorylation, proton is pumped to reach ATP synthase to generate ATP?

1. Cytochrome $a-a_3$
2. Cytochrome $b_{6}f$
3. (c) Cytochrome bc
   
4. Cytochrome c oxidase

Q. Electrons from complex III are transfered via cytochrome C to

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

Q. Electrons from complex III are transfered via cytochrome C to

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

Q. In light reaction, plastoquinone facilitates the transfer of electrons from

1. PS-I to $NAD{P}^{+}$
2. PS-I to ATP synthase
3. PS-II to $Cyt{b}_6$f complex
4. $Cyt{b}_6$ complex to PS-I

Q. Choose the correct answers from the alternatives given :
The final electron acceptor of the electron transport chain that functions in oxidative phosphorylation

1. pyruvic acid
2. oxygen
3. water
4. $NA{D}^{+}$

Q. The sequential order in electron transport from PS II to PS I of photosynthesis is

1. FeS, PQ, PC and Cytochrome
2. PQ, Cytochromes, PC and FeS
3. FeS, PQ. Cytochromes and PC
4. PC, Cytochromes, FeS, PQ

Q. In the ETC, electron from ubiquinone are transfered to

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

Q. Movement of ten electrons from mitochondrial NADH molecules produces ____ water molecules.

1. 20
2. 15
3. 10
4. 5

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

1. NADH-Q reductase

2. Cytochrome c reductase

3. Cytochrome c oxidase

4. Succinic dehydrogenase

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

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

Q. In the ETC, electron from ubiquinone are transfered to

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