1. | 3 molecules of ATP and 3 of NADPH are required. |
2. | 3 molecules of ATP and 2 of NADPH are required. |
3. | 3 molecules of ATP and 3 of NADPH are required. |
4. | 2 molecules of ATP and 2 of NADPH are required |
1. | 660 nm | 2. | 680 nm |
3. | 700 nm | 4. | 730 nm |
1. | Preistley | 2. | C. B. van Neil |
3. | T. W. Engelmann | 4. | Arnon and his co-workers |
1. | are rich in an enzyme Ribulose bisphosphate carboxylase-oxygenase (RuBisCO) but lack PEPcase. |
2. | are rich in enzymes Ribulose bisphosphate carboxylase-oxygenase (RuBisCO) and PEPcase. |
3. | lack enzymes Ribulose bisphosphate carboxylase-oxygenase (RuBisCO) and PEPcase. |
4. | lack enzyme Ribulose bisphosphate carboxylase-oxygenase (RuBisCO) but are rich in PEPcase. |
Statement I: | In C4 plants, photorespiration does not occur. |
Statement II: | C4 plants have a mechanism that increases the concentration of CO2 at the RuBisCO enzyme site. |
1. | Statement I is correct; Statement II is correct |
2. | Statement I is incorrect; Statement II is correct |
3. | Statement I is correct; Statement II is incorrect |
4. | Statement I is incorrect; Statement II is incorrect |
Statement I: | Current availability of CO2 levels is limiting to the C3 plants. |
Statement II: | \(360 ~\mu lL^{-1}\) | C3 plants show saturation at about
1. | Statement I is correct; Statement II is correct |
2. | Statement I is incorrect; Statement II is correct |
3. | Statement I is correct; Statement II is incorrect |
4. | Statement I is incorrect; Statement II is incorrect |
Assertion (A): | Photosynthesis cannot be carried out in higher plants at very high temperatures. |
Reason (R): | Carbon fixation is an enzyme mediated process and the enzymes would be denatured at very high temperatures. |
1. | Both (A) and (R) are True and (R) correctly explains (A). |
2. | (A) is True; (R) is False |
3. | (A) is False; (R) is False |
4. | Both (A) and (R) are True but (R) does not correctly explain (A). |
1. | Violet/Blue | 2. | Green |
3. | Yellow | 4. | Red |