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RRB Junior Engineer / DMS / CMA 2019 · Question 313 of 3719

How do green plants in the sea help fish to respire?

  1. AThey give out oxygen and carbon dioxide simultaneously
  2. BThey take oxygen and give out carbon dioxide
  3. CThey give out oxygenCorrect
  4. DThey give out carbon dioxide

Answer: C. They give out oxygen

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (1-June-2019 Shift 2) — cracku.in solved paper with answer key · reliable-secondary

← Q312View full paper (3719 questions)Q314 →

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