Photosynthesis in Higher Plants — Important Questions
ICSE · Class 11 · Biology
60 important questions from Photosynthesis in Higher Plants for ICSE Class 11 Biology, with answers. Includes multiple choice and true false questions.
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Important Questions from Photosynthesis in Higher Plants
The dark reaction of photosynthesis takes place in the:
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Stroma of chloroplast
The dark reaction (Calvin cycle) takes place in the stroma of the chloroplast, where all necessary enzymes for CO2 fixation are located.
The light reaction of photosynthesis occurs in the:
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Thylakoid membranes / Grana
The light reaction occurs on the thylakoid membranes within the grana of the chloroplast. This is where pigments are located and light energy is captured.
Chlorophyll a is the primary photosynthetic pigment.
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True
Chlorophyll a is the primary (main) photosynthetic pigment. It is the only pigment directly involved in the light reaction's photochemical act at the reaction centre.
What is the first stable product of the Calvin (C3) cycle?
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3-Phosphoglycerate (3-PGA)
3-PGA (3-phosphoglycerate) is the first stable 3-carbon compound formed when CO2 combines with RuBP via RuBisCo in the Calvin cycle.
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