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This set of Biology Multiple Choice Questions & Answers (MCQs) focuses on Photosynthesis Set 1

Q1 | Intensity of light increase 20 times, rate of photosynthesis will
Q2 | Out of the total light energy that is available for plants is
Q3 | One photon is blue light contains....kcal and of red light....kcal
Q4 | The most efficient convertor of sunlight is
Q5 | Cyclic photophosphorylation is confined to
Q6 | For synthesis of one gram of hexose, the land plant consumes.
Q7 | For synthesis of one glucose molecule, the number of ATP required are
Q8 | The volume of O2 librated in photosynthesis has the following ratio to CO2.
Q9 | The inhibiting effect of oxygen in C3 plants on photosynthesis is
Q10 | Pick up C4 plant.
Q11 | It is advantageous to use a water plant to demonstrate photosynthesis other than a land plant because.
Q12 | For chlorophyll formation most important are
Q13 | Translocation of sugar in angiosperms occur in form of
Q14 | Q10 is
Q15 | Photorespiration is favoured by
Q16 | Quinones are
Q17 | During dark reaction, for the fixation of carbon, the three carbon atoms of each molecule of 3 –phosphogylceric acid (PGA) are derived from
Q18 | Calvin cycle utilize for fixation of 3 molecules of CO2
Q19 | Chloroplast has maximum quantity of....in stroma
Q20 | If thylakoids are removed and kept in culture medium having CO2 and H2O and exposed to light ; they cannot form hexose sugars as end product because.
Q21 | Which of the following plant is efficient converter of solar energy whose net productivity 2-4 kg/m2/yr or even higher.
Q22 | The number of photons required to release one mole of O2 in photosynthesis called.
Q23 | Calvin cycle represents one of the following phenomenon.
Q24 | Hill reaction takes place
Q25 | Match the names of scientists given under Column – I with their important contributions given underColumn – II ; choose the answer which gives correct combination of the alphabets :Column – I(Scientists) Column – II(Contributions)P. Peter Mitchell (i) Steps of dark reaction of photosynthesis.Q. J.W. Gibbas (ii) Photosynthetic phosphorylationR. Danial Arnon (iii) Concept of free energyS. Melvin Calvin (iv) Chemiosmotic hypothesis(v) Mass flow hypothesis