Photosynthetic bacteria do not contain

1. quantasome 2. PS-I and PS-II
3. PS-I 4. PS-II.

Subtopic:  Photosystems |
Level 4: Below 35%
Hints

The photorespiratory carbon-oxidation cycle involves the interaction of

1. chloroplast

2. mitochordria

3. peroxisomes

4. all of these.

Subtopic:  Photorespiration |
 90%
Level 1: 80%+
Hints

Photorespiration in C3 plants starts from:

(1) phosphoglycerate

(2) phosphoglycolate

(3) Glycerate

(4) glycine.

Subtopic:  Photorespiration |
Level 3: 35%-60%
Hints

advertisementadvertisement

Hill reaction occurs in:

1. high altitude plants

2. total darkness

3. absence of water

4. presence of ferricyanide

Subtopic:  Light Reaction: Photophosphorylation |
Level 3: 35%-60%
Hints

Which one of the following categories of organisms do not evolve oxygen during photosynthesis?

1. Red algae
2. Photosynthetic bacteria
3. C4 plants with Kranz anatomy
4. Blue green algae

Subtopic:  Historical View: Experiments |
Level 3: 35%-60%
Hints

Which of the following is the characteristic of PS-I?

1. It is activate only upto 680 nm of light.
2. The reaction centre of PS-I is P680 .
3. PS-I is reduced by the electrons released in photolysis of water.
4. PS-I is involved in non-cyclic photophosphorylation.

Subtopic:  Photosystems |
 65%
Level 2: 60%+
Hints

advertisementadvertisement

Cyclic photophosphorylation invloves

1. PS I 2. PS II
3. PS I and PS II 4. P680
Subtopic:  Light Reactions :2 | Light Reactions :3 | Light Reactions |
 79%
Level 2: 60%+
Hints

The first stable product of Calvin cycle is 

1. 3-phosphoglycerate
2. 1, 3 biphosphoglycerate
3. glyceraldehyde - 3 phosphate
4. ribulose - 5- phosphate

Subtopic:  Dark Reaction : Calvin Cycle | Questions on Calvin Cycle |
 81%
Level 1: 80%+
Hints

PS-II occurs only in

1. stroma
2. granal thylakoids
3. stromal lamella
4. matrix
Subtopic:  Photosystems |
 73%
Level 2: 60%+
Hints

advertisementadvertisement

Which of the following statements is correct?

1. Photorespiration is useful process.
2. C4 plants are more efficient than C3 plants.
3. C4 plants are less efficient than C3 plants.
4. Photorespiration is absent in C3 plants but present in C4 plants.
Subtopic:  Photorespiration | Questions on Photorespiration |
 89%
Level 1: 80%+
Hints