The protons for the reduction of NADP⁺ are taken from-
1. Stroma
2. Lumen of Thylakoid
3. Cytoplasm
4. Matrix

Within chloroplast, number of protons is less in which compartment?
1. Thylakoid membrane
2. Intermembrane space
3. Stroma
4. Matrix

Which of the following acts as a transmembrane channel?

During chemiosmosis, the transport of proton across the membrane occurs through-
1. Active Transport
2. Facilitated Diffusion
3. Diffusion
4. both 1 and 2

F₁ of ATPase is located in-
1. Inner surface of plasma membrane
2. Outer surface of thylakoid membrane
3. On the side of thylakoid that faces the stroma
4. both 2 and 3

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

The first product of C3 and C4 cycle are:
1. PGA, PGAL
2. PGA, OAA
3. PGAL, RuBP
4. PGAL, OAA