Photosynthesis
- Electrons from excited chlorophyll molecule of photosystem II are accepted first by:
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Electrons from excited chlorophyll molecule of photosystem II are accepted first by quinone. Photosystem II is a photosynthetic pigment system along with some electron carriers that are located in the appressed part of the grana thylakoids. Photosystem II has chlorophyll a, b and carotenoids. Other components of PS II are phaeophytin, plastoquinone (PQ), cytochrome complex and blue coloured copper containing plastocyanin.
Correct Option: C
Electrons from excited chlorophyll molecule of photosystem II are accepted first by quinone. Photosystem II is a photosynthetic pigment system along with some electron carriers that are located in the appressed part of the grana thylakoids. Photosystem II has chlorophyll a, b and carotenoids. Other components of PS II are phaeophytin, plastoquinone (PQ), cytochrome complex and blue coloured copper containing plastocyanin.
- The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is
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The first acceptor of electrons from an excited chlorophyll of PSII is quinone.
Correct Option: C
The first acceptor of electrons from an excited chlorophyll of PSII is quinone.
- 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 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.