291.
ATP formation during photosynthesis is termed
A
Phosphorylation
B
Photophosphorylation
C
Oxidative phosphorylation
D
Photolysis
Answer :
Photophosphorylation
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292.
Etionalte plants are formed due to lack of
A
Light
B
Hg
C
Fe
D
Mg
Answer :
Light
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293.
The size of chlorophyll molecule is
A
Head 15 × 15 Å, tail 25 Å
B
Head 20 × 20 Å, tail 25 Å
C
Head 15 × 15 Å, tail 20 Å
D
Head 10 × 12 Å, tail 25 Å
Answer :
Head 15 × 15 Å, tail 20 Å
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294.
The percentage of light energy utilized by higher plants, in the process of photosynthesis is
A
100%
B
10%
C
50%
D
1-2%
Answer :
1-2%
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295.
Nine-tenth of all photosynthesis of world (85-90%) is carried out by
A
large trees with millions of branches and levess
B
algae of the ocean
C
chlorophyll containing ferns of the forest
D
scientists in the laboratories
Answer :
algae of the ocean
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296.
They by product of photosynthesis is
A
CO2
B
Oxygen
C
Energy
D
Sugar
Answer :
Oxygen
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297.
In photosystem-I, the first electron acceptor is
A
Plastocyanin
B
An iron-sulphur protein
C
Ferredoxin
D
Cytochrome
Answer :
An iron-sulphur protein
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298.
Protochlorophyll differs from chlorophyll in lacking
A
2 hydrogen atoms in one of its pyrrole rings
B
2 hydrogen atoms in two of its pyrrole rings
C
4 hydrogen atoms in one of its pyrrole rings
D
4 hydrogen atoms in two of its pyrrole rings
Answer :
2 hydrogen atoms in one of its pyrrole rings
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299.
The path of CO2 in the dark reactions of photosynthesis was successfully traced by the use of the following
A
O218
B
C14O2
C
P32
D
X-rys
Answer :
C14O2
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300.
The first electron carrier molecule from P700 to NADP+ is believed to be
A
Cytochrome
B
Cu protein/Plastocynain
C
FeS protein/Ferredoxin
D
Fe-Mg protein
Answer :
FeS protein/Ferredoxin
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