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Biology-10th Life Processes CBSE Board 2024 Medium

Study the following flow chart showing the breakdown of glucose by various pathways. In this flow chart, in f…

Study the following flow chart showing the breakdown of glucose by various pathways. In this flow chart, in four blocks some blanks are given as Ⓐ, Ⓑ, Ⓒ and Ⓓ.
  1. (i)Write the names of Ⓐ, Ⓑ, Ⓒ and Ⓓ.
  2. (ii)Write the source of glucose molecule involved in cellular respiration in (I) plants, and (II) animals.
  3. (iii)Why do athletes sometimes suffer from muscle cramps during running ?
  4. (iv)Give reason why the rate of breathing in aquatic organisms is faster than in terrestrial organisms.
Glucose 6-C molecule Occurs in the cytoplasm of a cell. A 1 2 3 C Absence of O₂ (in yeast) Presence of O₂ (in of cell) D B + CO₂ + Energy Lactic Acid + Energy CO₂ + Water + Energy

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