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Q. No.Absorption peak of carotenoids in PS II falls in:
1. Red region
2. Green region
3. Yellow region
4. Blue region
Subtopic: Pigments |
From NCERT
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In terms of redox potential, flow of electrons from LHC to electron acceptor is A and within electron transport systems is B. Select correct option to fill (A) & (B)
| (A) | (B) | |
| 1. | Uphill | Downhill |
| 2. | Downhill | Uphill |
| 3. | Downhill | Downhill |
| 4. | Uphill | Uphill |
Subtopic: Light Reaction: Electron Transport |
82%
From NCERT
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Electron transport system is composed of:
1. Reduced coenzymes
2. Redox enzymes
3. Cytochomes
4. Fatty acids
1. Reduced coenzymes
2. Redox enzymes
3. Cytochomes
4. Fatty acids
Subtopic: Light Reaction: Electron Transport |
68%
From NCERT
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In which of the following locations, water splitting complex can be localized?
1. Outer side of thylakoid membrane
2. Embedded in the thylakoid membrane
3. Lumen of thylakoid
4. Inner side of thylakoid membrane
1. Outer side of thylakoid membrane
2. Embedded in the thylakoid membrane
3. Lumen of thylakoid
4. Inner side of thylakoid membrane
Subtopic: Light Reaction: Electron Transport |
68%
From NCERT
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How many oxygen (O2) molecules will be evolved from stroma lamellae if 20 water molecules are available?
1. 20
2. zero
3. 10
4. 40
1. 20
2. zero
3. 10
4. 40
Subtopic: Light Reaction: Photophosphorylation |
From NCERT
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A plant is irradiated with light having wavelengths greater than 680 nm. How many electrons will be generated by water splitting complex in thylakoid, if 20 molecules of water are available?
1. Zero
2. 20
3. 10
4. 40
1. Zero
2. 20
3. 10
4. 40
Subtopic: Chemiosmotic hypothesis |
57%
From NCERT
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Which mode of transport is exhibited by proton movement across ATP synthase?
1. Simple diffusion
2. Facilitated diffusion
3. Active transport
4. Osmosis
1. Simple diffusion
2. Facilitated diffusion
3. Active transport
4. Osmosis
Subtopic: Chemiosmotic hypothesis |
70%
From NCERT
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Conformational change in the CF1 particle ATP synthase is
1. Brought about by development of proton gradient.
2. Brought about by maintenance of proton gradient.
3. Brought about by breakdown of proton gradient.
4. Not dependent on proton gradient
1. Brought about by development of proton gradient.
2. Brought about by maintenance of proton gradient.
3. Brought about by breakdown of proton gradient.
4. Not dependent on proton gradient
Subtopic: Chemiosmotic hypothesis |
82%
From NCERT
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Which of the following organisms is employed to confirm that the first CO2 fixation product in C3 cycle is three-carbon organic acid?
1. Algae
2. Cyanobacteria
3. Dinoflagellate
4. Bryophyte
1. Algae
2. Cyanobacteria
3. Dinoflagellate
4. Bryophyte
Subtopic: WHERE ARE THE ATP AND NADPH USED |
83%
From NCERT
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Which of the following types of sugars includes RuBP?
1. Acidic sugar
2. Alcoholic sugar
3. Aldehydic sugar
4. Ketonic sugar
1. Acidic sugar
2. Alcoholic sugar
3. Aldehydic sugar
4. Ketonic sugar
Subtopic: WHERE ARE THE ATP AND NADPH USED |
76%
From NCERT
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