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Question 21Asked in RRB JE CBT-1, 25 Feb 2026, Shift 3 (4:30 PM)

What is the primary material used to develop vermicompost?

  1. ABacteria and viruses
  2. BEarthworms
  3. CYeast
  4. DChemical fertilisers
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Correct answer: (B) Earthworms

From RRB JE CBT-1 PYQ 25 Feb 2026, Shift 3 (4:30 PM)

This is question 21 of RRB JE CBT-1 PYQ 25 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.