Q. No.The difference in development of proton gradient in photosynthesis and respiration is-
1.
Photosynthesis has thylakoid membrane across which proton gradient is generated
2.
Proton accumulation is inside the membrane of thylakoid.
3.
both a and b
4.
Mitochondrial membrane is involved
Where does the splitting of water take place?
1. Stroma
2. Cytoplasm
3. Thylakoid lumen
4. Plasma membrane
Where does exactly the NADP reductase enzyme located?
| 1. | Thylakoid lumen |
| 2. | Thylakoid luminal side of membrane |
| 3. | Stromal side of thylakoid membrane |
| 4. | Cytoplasm |
The protons for the reduction of NADP+ are taken from-
1. Stroma
2. Lumen of Thylakoid
3. Cytoplasm
4. Matrix
Which of the following acts as a transmembrane channel?
1. F0 of ATPase
2. F1 of ATPase
3. PS I
4. PS II
During chemiosmosis, the transport of proton across the membrane occurs through-
1. Active Transport
2. Facilitated Diffusion
3. Diffusion
4. both 1 and 2
Melvin Calvin used ------- radioactive in-----studies for the discovery of the 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
Choose the incorrect statement regarding early experiments on photosynthesis
| 1. | Priestley experiment revealed the essential role of air in the growth of a green plant |
| 2. | Ingenhousz showed that sunlight is essential to the plant processes |
| 3. | It is green parts of the plants that can release oxygen |
| 4. | Von Sachs provided evidence for production of carbon dioxide when plants grow |
There is a clear division of labour within the chloroplast. The membrane system is responsible for
| 1. | Trapping of light energy |
| 2. | Conversion of CO2 into glucose |
| 3. | Consumption of ATP and NADPH |
| 4. | Providing site for dark reaction |
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