Q. No.
Within chloroplast, number of protons is less in which compartment?
a. Thylakoid membrane
b. Intermembrane space
c. Stroma
d. Matrix
Which of the following acts as a transmembrane channel?
a. F0 of ATPase
b. F1 of ATPase
c. PS I
d. PS II
F1 of ATPase is located in-
a. Inner surface of plasma membrane
b. Outer surface of thylakoid membrane
c. On the side of thylakoid that faces the stroma
d. both b and c
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
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?
a. ATP hydrolase
b. ATP synthase
c. ATPase
d. 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-
a. Presence of darkness
b. Presence of light
c. Products of light reactions
d. Products of biosynthetic phase
The first dark reaction or CO2 fixation product is-
a. 3C – Organic Acid
b. 6C – Organic Acid
c. 5C – Organic Acid
d. 1C – Organic Acid
© 2025 GoodEd Technologies Pvt. Ltd.