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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