Photosynthesis
- Which one of the following statements about cytochrome P-450 is wrong?
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Cytochrome P-450 contains copper.
Correct Option: A
Cytochrome P-450 contains copper. Cytochrome P-450 contains copper.
- NADPH is generated through
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NADPH is generated by photosystem I during non-cyclic photophosphorylation.
Correct Option: A
NADPH is generated by photosystem I during non-cyclic photophosphorylation.
- Pigment acting as a reaction centre during photosynthesis is
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P700 consists of a chl a and chl b molecules and is named as such due to maximum absorption by pigment or photocentre at that wavelength.
Correct Option: C
P700 consists of a chl a and chl b molecules and is named as such due to maximum absorption by pigment or photocentre at that wavelength.
- Which one occurs both during cyclic and noncyclic modes of photophosphorylation?
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Cyclic photophosphorylation involves only PSI and there only ATP formation occurs.
Correct Option: B
Cyclic photophosphorylation involves only PSI and there only ATP formation occurs.
- A photosynthesising plant is releasing 18O more than the normal. The plant must have been supplied with
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The phenomenon of breaking up of water into hydrogen and oxygen in the illuminated chloroplasts is called photolysis. Oxygen comes from photolysis of water was verified by Ruben & Kamen (1941).
Correct Option: B
The phenomenon of breaking up of water into hydrogen and oxygen in the illuminated chloroplasts is called photolysis. Oxygen comes from photolysis of water was verified by Ruben & Kamen (1941).
