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ICSE Class 9 Biology Question 9 of 12

Respiration in Plants — Question 11

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Question

Question 1(xi)

The two major phases during the breakdown of glucose in respiration are (P) ............... and (Q) ............... .

  1. P — Glycogenesis, Q — Kreb's cycle
  2. P — Aerobic respiration, Q — Anaerobic respiration
  3. P — Anoxybiotic respiration, Q — Oxybiotic respiration
  4. P — Glycolysis, Q — Kreb's cycle
Answer

P — Glycolysis, Q — Kreb's cycle

Reason — In glycolysis glucose is broken down to form pyruvate and in Kreb's cycle it is completely oxidised to form CO2, ATP, and NADH.