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Which one of the following is wrong in relation to photorespiration:CorrectIncorrect
In C3 plants, the first stable compound formed after CO2 fixation isCorrectIncorrect
The ratio between 2-carbon and 3-carbon intermediates having —NH2 group formed in photosynthetic oxidation cycle is:CorrectIncorrect
In CAM plants, CO2 required for photosynthesis enters the plant body duringCorrectIncorrect
Carbohydrates are commonly found as starch in plant storage organs. Which of the following five properties of starch (a – e) make it useful as a storage material?
(a) Easily translocated
(b) Chemically non-reactive
(c) Easily digested by animals
(d) Osmotically inactive
(e) Synthesized during photosynthesis
The useful properties are:CorrectIncorrect
Match the phenomenon listed under column I with those listed under column II. Select the correct answer from the options given.
Column I Column II A Warburg effect p Change in gene frequency by chance B Pasteur effect q Postponing severance in the leaves by applying cytokinin C Emerson effect r Decline in the consumption of respiratory substrate due to a change from anaerobic to aerobic respiration D Wright effect s Inhibitory effect of O2 on photosynthesis t Enhancement of photosynthesis by subjecting chlorophyll to the effect two different wavelengths of lightCorrectIncorrect
Photosynthesis cannot continue for long if during light reaction, only cyclic photophosphorylation takes place. This is becauseCorrectIncorrect
As compared to a C3-plant, how many additional molecules of ATP are needed for net production of one molecule of hexose sugar by C4-plantsCorrectIncorrect
Which one of the following is not true about the light reactions of photosynthesis?CorrectIncorrect
The synthesis of one molecule of glucose during Calvin cycle requiresCorrectIncorrect