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Earn 100
The herbicide DCMU kills the weeds because it inhibits:
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Important Questions on Photosynthesis in Higher Plants
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Which of the following statements about the dark reaction is correct?
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Following table summarises the differences between light reactions and dark reactions.
| Light reactions | Dark reactions | |
|---|---|---|
| (i) | These are also called as biosynthetic phase | These are also called as photochemical phase |
| (ii) | These reactions occur over thylakoids | These reactions occur in stroma of chloroplasts |
| (iii) | These produce assimilatory power i.e., and | These consume and |
| (iv) | These are directly dependent upon light | These depend upon the products synthesized during light reactions |
Which of the above pairs of differences is/are incorrect?
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If green plant cells are incubated with O18- Iabelled , which of the following molecules will become radioactive when the cells are exposed to light?
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Refer to the given diagrammatic representation of an electron micrograph of a section of chloroplast and answer the question.
Select the option that correctly identifies and .
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Refer to the given diagrammatic representation of an electron micrograph of a section of chloroplast and answer the question.
Select the option which correctly depicts the functions of parts and .
MEDIUM
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In the given representation of Calvin cycle, identify and and select the correct option.
MEDIUM
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Read the given statements and select the correct option.
Statement I: Carboxylation is the most crucial step of Calvin cycle where is utilised for the carboxylation of RuBP.
Statement II: Carboxylation is catalysed by the enzyme RuBisCO which results in the formation of two molecules of 3PGA.
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Identify the correct sequence of stages of Calvin cycle.
