Select Question Set:
Q. No.PS I differs from PS II as in the former, the reaction centre chlorophyll a has an absorption peak at:
1. 660 nm
2. 680 nm
3. 700 nm
4. 720 nm
Subtopic: Pigments |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The carboxylation of RuBP in Calvin cycle leads to the formation of:
1. Acetyl CoA
2. 3-PGA
3. Citric caid
4. Oxaloacetic acid
1. Acetyl CoA
2. 3-PGA
3. Citric caid
4. Oxaloacetic acid
Subtopic: Dark Reaction : Calvin Cycle |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
For every CO2 molecule entering the Calvin cycle:
| 1. | 3 molecules of ATP and 2 of NADPH are required |
| 2. | 2 molecules of ATP and 3 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 |
Subtopic: Dark Reaction : Calvin Cycle |
89%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In the chloroplast, ATP synthase complex is found within the:
| 1. | thylakoid membrane | 2. | thylakoid space |
| 3. | stroma | 4. | outer membrane |
Subtopic: Chemiosmotic hypothesis |
79%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
C4 plants have a competitive advantage over plants with C3 carbon fixation pathway under all the following conditions except:
1. drought
2. high temperatures
3. CO2 limitation
4. in the shade
1. drought
2. high temperatures
3. CO2 limitation
4. in the shade
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
54%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In C4 plants, the additional number of ATP molecules required for the synthesis of a glucose molecule when compared to C3 plants is:
1. 2
2. 5
3. 12
4. 30
1. 2
2. 5
3. 12
4. 30
Subtopic: C4 Cycle (Hatch & Slack Pathway) |
61%
Please attempt this question first.
Hints
The primary carbon dioxide acceptor in Calvin cycle in C3 plants is:
| 1. | PEP (phosphoenol pyruvate) |
| 2. | RuBP (ribulose-1-5-biphosphate) |
| 3. | PGA (phosphoglyceric acid) |
| 4. | PG (phosphoglycolate) |
Subtopic: Dark Reaction : Calvin Cycle |
83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The ions comprising the Oxygen Evolving Complex associated with PS II are:
1. Manganese and magnesium
2. Manganese and chlorine
3. Calcium and iron
4. Magnesium and iron
1. Manganese and magnesium
2. Manganese and chlorine
3. Calcium and iron
4. Magnesium and iron
Subtopic: Light Reaction: Electron Transport |
64%
Please attempt this question first.
Hints
What is the name of the 2-carbon compound formed in photorespiration?
| 1. | Acetyl CoA | 2. | Phosphoglycolate |
| 3. | Acetic acid | 4. | Ethanol |
Subtopic: Photorespiration |
76%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
During which of the following process is the most ATP produced in aerobic cellular respiration?
| 1. | glycolysis |
| 2. | the Krebs cycle |
| 3. | chemiosmosis |
| 4. | substrate-level phosphorylation |
Subtopic: Chemiosmotic hypothesis |
Please attempt this question first.
Hints
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.