Who discovered photophosphorylation?
1. Arnon et. al.
2. Von Mayer
3. Clavin et.al.
4. Hill
Photosynthetic bacteria do not contain
| 1. | quantasome | 2. | PS-I and PS-II | 
| 3. | PS-I | 4. | PS-II. | 
The photorespiratory carbon-oxidation cycle involves the interaction of
1. chloroplast
2. mitochordria
3. peroxisomes
4. all of these.
Photorespiration in C3 plants starts from:
(1) phosphoglycerate
(2) phosphoglycolate
(3) Glycerate
(4) glycine.
Hill reaction occurs in:
1. high altitude plants
2. total darkness
3. absence of water
4. presence of ferricyanide
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 | 
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. | 
Cyclic photophosphorylation invloves
| 1. | PS I | 2. | PS II | 
| 3. | PS I and PS II | 4. | P680 | 
The first stable product of Calvin cycle is
| 1. | 3-phosphoglycerate | 
| 2. | 1, 3 biphosphoglycerate | 
| 3. | glyceraldehyde - 3 phosphate | 
| 4. | ribulose - 5- phosphate | 
PS-II occurs only in
| 1. | stroma | 
| 2. | granal thylakoids | 
| 3. | stromal lamella | 
| 4. | matrix |