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The first step in dark reaction of photosynthesis is
Options
(a) formation of ATP
(b) ionization of water
(c) attachment of CO₂ to a pentose sugar
(d) excitement of electron of chlorophyll by a photon of light
Correct Answer:
attachment of CO₂ to a pentose sugar
Explanation:
In C₃ plants, the carbon dioxide combines with ribulose 1, 5-diphosphate (RuDP) (now called RuBP – Ribulose 1, 5 bisphosphate) and gives rise to a 3-C compund, phosphoglyceric acid. It is first stable product of C₃ cycle. The process can be called as Calvin cycle.
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Topics: Photosynthesis in Higher Plants
(153)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Broad spectrum antibiotics are the ones which attack
- What is true for individuals of same species?
- A dicot plant lacking cotyledons is
- The area of inner surface of bronchiole is
- Comprehension of spoken and written words take place in region of
Topics: Photosynthesis in Higher Plants (153)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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