Consider the following statements (A) The portion of the spectrum between 500nm and 800 nm is also referred to as photosynthetically active radiation (PAR) (B) Magnesium, calcium and chloride ions play prominet roles in the photolysis of water (C) In cyclic photopphosphorylation, oxygen is not released (as there is no photolysis of water) and NADPH is also not producedA. A is true, but B and C are falseB. A and B are false, but C is trueC. B is true, but A and and C are falseD. A and B are true, but C is false

Consider the following statements (A) The portion of the spectrum betw

1.	Consider the following statements (A) The portion of the spectrum between 500nm and 800 nm is also referred to as photosynthetically active radiation (PAR) (B) Magnesium, calcium and chloride ions play prominet roles in the photolysis of water (C) In cyclic photopphosphorylation, oxygen is not released (as there is no photolysis of water) and NADPH is also not producedA. A is true, but B and C are falseB. A and B are false, but C is trueC. B is true, but A and and C are falseD. A and B are true, but C is false
Answer» Correct Answer - B

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The role of chlorophyll in photosynthesis isA. Absorption of `CO_(2)`B. Absorpiton of lightC. Absorption of light and photochemical decomposition of waterD. Absorption of water
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Yellowish colour of autumn foliage is due to the presence of a type of xanthophyll pigment called asA. luteinB. lycopeneC. fucoxanthinD. zeaxanthin.
Which of the following concerns photophosphorylationA. `"AMP+Inorganic" PO_(4) overset("Light energy")to ATP`B. `"AMP+AMP" overset("Light energy")to ATP`C. `"ADP+Inorganic" PO_(4) overset("Light energy")to ATP`D. `"ADP+Inorganic" PO_(4) overset("Light energy")to ATP`
85-90% of all photosythesis of the carried out by or The maximum evolution of oxygen is by greated produces of organic matterA. ShrubsB. HerbsC. Oceanic algae/ PhytoplanktonsD. Trees with large bracnces
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Photorepiration producesA. sugar but not ATPB. ATP but no sugarC. Both ATP and sugarD. Neither ATP nor sugar
Study the following statements. (i) Red light falling in the ragne of wavelength 660-760nm is the most effective for photosynthesis. (ii) Green light falling in the range of wavelength 500-580 nm is the least effective for photosynthesis. (iii) Chl a,chl b carotenses and xanthophylls are soluble in organic solvents. (iv) Phycobilins (phycocyanin, allophycocynin and phycoerythrin) are soluble in water Which of the above statements is/are incorrect?A. ii and iiiB. iii and ivC. i onlyD. None of these

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