Select Question Set:
Q. No.The fluid component of chloroplast associated with
1.
Photochemical reactions
2.
Light - dependent reactions
3.
ATP - synthesizing reactions
4.
Biosynthetic reactions
Subtopic: Chloroplast Structure |
55%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following effects will be observed if the plant is exposed only to red light which was earlier given blue light?
| 1. | Increase in rate of photosynthesis |
| 2. | Decrease in rate of photosynthesis |
| 3. | Firstly, decrease in rate of photosynthesis then increase |
| 4. | No photosynthesis takes place |
Subtopic: Pigments |
60%
Level 2: 60%+
Please attempt this question first.
Hints
Which of the following is true about chlorophyll b?
| 1. | Serves as major primary pigment in the photosynthetic machinery |
| 2. | Forms the reaction center only |
| 3. | Prevent reaction center from photo-oxidation |
| 4. | Show blue color in chromatogram |
Subtopic: Pigments |
83%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following biomolecules serve as the binding site of pigments in light harvesting (LHC)?
1. Nucleic acids
2. Proteins
3. Carbohydrates
4. Vitamins
1. Nucleic acids
2. Proteins
3. Carbohydrates
4. Vitamins
Subtopic: Pigments |
83%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Absorption peak of carotenoids in PS II falls in:
1. Red region
2. Green region
3. Yellow region
4. Blue region
1. Red region
2. Green region
3. Yellow region
4. Blue region
Subtopic: Pigments |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
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 |
83%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
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 |
69%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
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 |
Subtopic: Light Reaction: Electron Transport |
67%
Level 2: 60%+
Please attempt this question first.
Hints
Please attempt this question first.
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 |
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
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 |
54%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Select Question Set:
© 2025 GoodEd Technologies Pvt. Ltd.