Q. No.When proton motive force degenerates, where does the conformational- changes take place?
a. F0 of ATPase
b. F1 of ATPase
c. PS I
d. PS II
a. F0 of ATPase
b. F1 of ATPase
c. PS I
d. PS II
What does chemiosmosis require?
| 1. | membrane, cytosol, proton pump, ATPase, and proton gradient |
| 2. | membrane, cytosol, proton pump, and H-ions |
| 3. | membrane, protonpump, ATPase and proton gradient |
| 4. | membrane, cytosol, proton pump, ATPase and proton gradient, and H-ions |
Which enzyme catalyzes the reaction of ATP formation during chemiosmosis?
| 1. | ATP hydrolase | 2. | ATP synthase |
| 3. | ATPase | 4. | ATP synthetase |
ATP and NADPH produced during photosynthesis, are used in which of the following reactions?
1. Catabolic
2. Biosynthetic phase
3. amphibolic
4. Hydrolytic phase
Dark reaction depends upon-
| 1. | Presence of darkness |
| 2. | Presence of light |
| 3. | Products of light reactions |
| 4. | Products of biosynthetic phase |
The first dark reaction or CO2 fixation product is-
| 1. | 3C – Organic Acid | 2. | 6C – Organic Acid |
| 3. | 5C – Organic Acid | 4. | 1C – Organic Acid |
Melvin-Calvin used ------- radioactive in-----studies for the discovery of first CO2 fixation product.
| 1. | 14C , Fungal photosynthesis |
| 2. | 14C , Algal photosynthesis |
| 3. | 15N , Fungal photosynthesis |
| 4. | 15N , Algal photosynthesis |
What is the primary acceptor of CO2 in dark reaction?
| 1. | Ketose sugar | 2. | Aldose sugar |
| 3. | Fatty acid | 4. | Sucrose |
Which of the following is not a step of photosynthesis?
a. Decarboxylation
b. Carboxylation
c. Regeneration
d. Reduction
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