Blackman's law is related to 

(1) respiration

(2) transpiration

(3) root pressure

(4) photosynthesis.

Subtopic:  Historical View: Experiments |
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Who discovered photophosphorylation?

(1) Arnon et. al.

(2) Von Mayer

(3) Clavin et.al.

(4) Hill

Subtopic:  Light Reaction: Photophosphorylation |
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Photosynthetic bacteria do not contain

(1) quantasome

(2) PS-I and PS-II

(3) PS-II

(4) PS-I.

Subtopic:  Photosystems |
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The photorespiratory carbon-oxidation cycle involves the interaction of

1. chloroplast

2. mitochordria

3. peroxisomes

4. all of these.

Subtopic:  Photorespiration |
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Photorespiration in C3 plants starts from:

(1) phosphoglycerate

(2) phosphoglycolate

(3) Glycerate

(4) glycine.

Subtopic:  Photorespiration |
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Hill reaction occurs in:

(1) high altitude plants

(2) total darkness

(3) absence of water

(4) presence of ferricyanide

Subtopic:  Light Reaction: Photophosphorylation |
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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 |
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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 |
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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 |
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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 |
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