Which of the following is the characteristic of PS-I?
(1) It is activate only upto 680 nm of light.
(2) The reaction centre of PS-I is P680 .
(3) PS-I is reduced by the electrons released in photolysis of water.
(4) PS-I is involved in non-cyclic photophosphorylation.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCyclic photophosphorylation invloves
(1) PS I
(2) PS II
(3) PS I and PS II
(4) P680
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe first stable product of Calvin cycle is
(1) 3-phosphoglycerate
(2) 1, 3 biphosphoglycerate
(3) glyceraldehyde - 3 phosphate
(4) ribulose - 5- phosphate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPS-II occurs only in
(1) stroma
(2) granal thylakoids
(3) stromal lamella
(4) matrix
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statements is correct?
(1) Photorespiration is useful process.
(2) C4 plants are more efficient than C3 plants.
(3) C4 plants are less efficient than C3 plants.
(4) Photorespiration is absent in C3 plants but present in C4 plants.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPhotorespiration shows formation of
1. sugar but not ATP
2. ATP but not sugar
3. both ATP and sugar
4. neither ATP nor sugar.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyKranz anatomy is usually associated with
(1) C3 plants
(2) C4 plants
(3) CAM plants
(4) C3-C4 intermediate plants.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyC4 plants have better productivity because
(1) C4 plants absorb more light
(2) C4 plants absorb more CO2
(3) C4 plants does not carry photorespiration
(4) C4 plants have more amount of RuBisCO.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe first carbon dioxide fixation product of C4 plant is
(1) Oxaloacetic acid
(2) ribulose biphosphate
(3) phosphoenol pyruvate
(4) phosphoglyceric acid.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCarbon dioxide is necessary for photosynthesis. The chemical used to remove this gas most effectively from entering a control apparatus is
(1) calcium oxide
(2) distilled water
(3) potassium hydroxide solution
(4) sodium carbonate.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology