NEET2010BotanyRespiration in PlantsActual

PGA as the first CO ₂ fixation product was discovered in photosynthesis of

Options

Abryophyte
Bgymnosperm
Cangiosperm
Dalgae

Correct answer

D. algae

Step-by-step solution

The use of radioactive ¹⁴ C by Melvin Calvin in algal (Chlorella) photosynthesis studies led to the discovery that the first CO ₂ fixation product was a 3-carbon organic acid. The first product identified was 3-phosphoglyceric acid (PGA).

Practice Respiration in Plants on Quantrex Academy →

More from Respiration in Plants

How many molecules of pyruvic acid are produced at the end of glycolysis from 206 molecules of glucose ? 2026 2 ( C ₅₁ H ₉₈ C ₆) + 145 O ₂ 102 CO ₂ + 98 H ₂ O + energy The Respiratory Quotient (RQ) of a biomolecule, used for respiration, as per the above equation would be : 2026 Match List I with List II : List I (Process) List II (Location) A. Glycolysis I. Inner mitochondrial membrane B. ETS II. Mitochondrial matrix C. Accumulation of protons III. Cytopl 2026 The complex II of mitochondrial electron transport chain is also known as 2025 Identify the step in tricarboxylic acid cycle, which does not involve oxidation of substrate. 2024 Match List-I with List-II : array llll List-I & & List-II . & ETS Complex I & I. & NADH Dehydrogenase . & ETS Complex II & II. & Cytochrome bC ₁ . & ETS Complex III & III. & Cytoch 2024 Match List I with List II array |l|l|c|l| & List I & & List II A. & Citric acid cycle & I. & Cytoplasm B. & Glycolysis & II. & Mitochondrial matrix C. & Electron transport system & 2024 Which of the following are correct about cellular respiration? A. Cellular respiration is the breaking of C - C bonds of complex organic molecules by oxidation. B. The entire cellu 2024 Full Respiration in Plants list All NEET PYQs