Botany - Photosynthesis in Higher Plants Question with Solution | TestHub
BotanyPhotosynthesis in Higher PlantsMechanism of PhotosynthesisEasy2 minPYQ_2020
BotanyEasysingle choice
Read the following statements (A-D) carefully.
A. Causes the 25% loss of CO2fixed by Calvin- Benson cycle.
B. Operates in chloroplasts, leaf peroxisomes and mitochondria.
C. Absent in photosynthetic bacteria.
D. Does not produce ATP.
Which light-dependent phenomenon has been described by the above statements?
Options:
Answer:
C
Solution:
Photorespiration is the process by which in the presence of light plant consumes oxygen and releases carbon dioxide (instead of fixing carbon dioxide) during photosynthesis, resulting in a decrease in photosynthetic output since no ATP is produced and carbon (as well as nitrogen in the form of ammonia) is lost inevitably.
Stream:NTA_ABHYAS_NEETSubject:BotanyTopic:Photosynthesis in Higher PlantsSubtopic:Mechanism of Photosynthesis
⏱ 2mℹ️ Source: PYQ_2020
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