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