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Question 89Asked in RRB JE CBT-1, 19 Feb 2026, Shift 3 (4:30 PM)

Why do muscle cells sometimes respire anaerobically during heavy exercise?

  1. ABecause the supply of oxygen is limited
  2. BBecause lactic acid is required
  3. CBecause the body wants to store energy
  4. DBecause glucose is unavailable
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Correct answer: (A) Because the supply of oxygen is limited

From RRB JE CBT-1 PYQ 19 Feb 2026, Shift 3 (4:30 PM)

This is question 89 of RRB JE CBT-1 PYQ 19 Feb 2026, Shift 3 (4:30 PM). See all questions of this paper with answers, or attempt the paper as a timed online test to get your score and all-India rank.