Assertion Reason Test: Photosynthesis In Higher Plants - NEET MCQ
10 Questions MCQ Test - Assertion Reason Test: Photosynthesis In Higher Plants
A : In C4 plants, chloroplasts of bundle sheath cells are granal.
R : PS II is mostly found in the appressed part of granum.
A : Dark reactions of photosynthesis are temperature controlled processes.
R : Most of the reactions are enzymatic in nature.
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A : Dark acidification occurs in CAM plants.
R : Organic acids are decarboxylated during night.
A : Assimilatory power in photosynthesis is generated in ETS occuring in thylakoid membrane.
R : They are needed for CO2 reduction and RuBP regeneration.
A : Light harvesting complexes (LHC) on thylakoid membrane broaden the range of light absorption.
R : They transfer e– to reaction centre.
A : For every CO2 molecule entering C3 cycle, three molecules of ATP and two NADPH are required.
R : Cyclic photophosphorylation takes place to meet the difference in number of ATP.
A : Carotenoids protect plant from excessive heat and prevent photooxidation of chlorophyll.
R : Carotenoids enable a wider range of wavelength of incoming light to be utilised for photosynthesis.
A : Biosynthetic phase of photosynthesis depend directly on presence of light.
R : Both ATP and NADPH are not essential for assimilation of CO2 to carbohydrates.
A : Most of the photosynthesis takes place in the blue and red region of spectrum.
R : Action spectrum shows the amount of energy of different wavelength of light absorbed by pigments.
A : Tropical plants are more efficient in CO2 utilization.
R: C3 plants ensure that RuBisCO functions as carboxylase minimising oxygenase activity.
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