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Photosynthesis in Higher Plants NEET PYQs
Class XI Biology
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NCERT Based
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NEET Practice
📘 Concept Based
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23 questions in this chapter
How many ATP and NADPH, are required for the synthesis of one molecule of Glucose during Calvin cycle?
A 18 ATP and 16 NADPH2 B 12 ATP and 12 NADPH2 C 18 ATP and 12 NADPH2 D 12 ATP and 16 NADPH2
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The reaction centre in PS II has an absorption maxima at:
A 780 nm B 680 nm C 700 nm D 660 nm
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Which of the following combinations is required for
chemiosmosis?
A proton pump, electron gradient, NADP synthase B membrane, proton pump, proton gradient. ATP synthase C membrane, proton pump, proton gradient, NADP synthase D proton pump, electron gradient, ATP synthase
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Given below are two statements:Statement I: The primary CO2 acceptor in C4
plants is phosphoenolpyruvate and is found in the mesophyll cells.Statement II: Mesophyll cells of C4 plants lack RuBisCo enzyme.
A Both Statement I and Statement II are correct B Both Statement I and Statement II are incorrect C Statement I is correct but Statement II is incorrect D Statement I is incorrect but Statement II is correct
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Which one of the following is not true regarding the release of energy during ATP synthesis through
chemiosmosis? It involves:
A Breakdown of proton gradient B Breakdown of electron gradient C Movement of protons across the membrane to the stroma D Reduction of NADP to NADPH2
on the stroma side of the membrane
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While explaining interspecific interaction of population, (+) sign is assigned for beneficial interaction, (–) sign is assigned for detrimental interaction and (0) for neutral interaction. Which of the following interactions can be assigned (+) for one specifies and (–) for another specifies involved in the interaction?
A Predation B Amensalim C Commensalism D Competition
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The first stable product of CO2 fixation in sorghum is:
A Pyruvic acid B Oxaloacetic acid C Succinic acid D Phosphoglyceric acid
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Which of the following statements is incorrect?
A Both ATP and NADPH + H+ are synthesized during non-cyclic photophosphorylation.
B Stroma lamellae have PS I only and lack NADP
reductase.
C Grana lamellae have both PS I and PS II. D Cyclic photophosphorylation involves both PS I and PS II.
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In light reaction, plastoquinone facilitates the
transfer of electrons from:
A PS-II to Cytb6 f complex B Cytb6 f complex to PS-I C PS-I to NADP+ D PS-I to ATP synthase
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The oxygenation activity of RuBisCo enzyme in
photorespiration leads to the formation of:
A 2 molecules of 3-C compound B 1 molecule of 3-C compound C 1 molecule of 6-C compound D 1 molecule of 4-C compound and 1 molecule of 2-C compound
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