Select Question Set:
Q. No.Consider the given two statements:
Assertion (A):
The protons or hydrogen ions that are produced by the splitting of water accumulate within the lumen of the thylakoids.
Reason (R):
Splitting of the water molecule takes place on the inner side of the thylakoid membrane
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).
Subtopic: Light Reactions :1 |
83%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Consider the two statements:
| Statement I: | In the photorespiratory pathway, there is synthesis of sugars, but not of ATP. |
| Statement II: | Photorespiratory pathway results in the release of CO2 with the utilization of ATP. |
| 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 |
Subtopic: Photorespiration |
62%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
Photosynthesis is carried out by green plants most effectively in what wavelength range of light?
| 1. | Green | 2. | Infrared |
| 3. | Blue and red | 4. | Ultraviolet |
Subtopic: Photosynthetic Pigments |
94%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
During oxygenic photosynthesis in higher plants, in the light reactions, the source of replacement electrons
for Photosystem II is:
1. Glucose
2. Water
3. NADPH
4. Photosystem I
for Photosystem II is:
1. Glucose
2. Water
3. NADPH
4. Photosystem I
Subtopic: Light Reaction: Electron Transport |
87%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
The molecule used to fix carbon dioxide in Calvin cycle is:
| 1. | Acetyl CoA, a 2 carbon molecule |
| 2. | G3P (Glyceraldehyde-3-phosphate), a 3 carbon molecule |
| 3. | RuBP (Ribulose-1,5-bisphosphate), a 5 carbon molecule |
| 4. | Citrate, a 6 carbon molecule |
Subtopic: Dark Reaction : Calvin Cycle |
86%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
In the 1930s, van Neil correctly hypothesized that oxygen released in photosynthesis by green plants comes from:
| 1. | Carbon dioxide | 2. | Water |
| 3. | Glucose | 4. | Atmospheric oxygen |
Subtopic: Historical View: Experiments |
90%
From NCERT
Please attempt this question first.
Hints
Please attempt this question first.
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
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.
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.