Choose the Correct Answers

Plant Physiology (Functional Organisation)

Photosynthesis

Evaluation

1. Assertion (A): Increase in Proton gradient inside lumen responsible for ATP synthesis

Reason (R): Oxygen evolving complex of PS I located on thylakoid membrane facing Stroma, releases H+ ions

a. Both Assertion and Reason are True.

b. Assertion is True and Reason is False.

c. Reason is True and Assertion is False.

d. Both Assertion and Reason are False.

2. Which chlorophyll molecule does not have a phytol tail?

a. Chl- a

b. Chl-b

c. Chl- c

d. Chl -d

3. The correct sequence of flow of electrons in the light reaction is

a. PS II, plastoquinone, cytochrome, PS I, ferredoxin.

b. PS I, plastoquinone, cytochrome, PS II ferredoxin.

c. PS II, ferredoxin, plastoquinone, cytochrome, PS I.

d. PS I, plastoquinone, cytochrome, PS II, ferredoxin.

4. For every CO2 molecule entering the C3 cycle, the number of ATP & NADPH required

a. 2ATP + 2NADPH

b. 2ATP + 3NADPH

c. 3ATP + 2NADPH

d. 3ATP + 3NADPH

5. Identify true statement regarding light reaction of photosynthesis?

a. Splitting of water molecule is associate with PS I.

b. PS I and PS II involved in the formation of NDPH+H+.

c. The reaction center of PS I is Chlorophyll a with absorption peak at 680 nm.

d. The reaction center of PS II is Chlorophyll a with absorption peak at 700 nm.