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← Bihar Board Class 12 PYQ

Ecosystem

Bihar Board Class 12 · Biology · 22 past questions

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  1. Q1 2026 Set A
    Which of the following is not the primary consumer of an ecosystem?
  2. Q2 2026 Set A
    How much percentage of photo-synthetically active radiation is captured by plants?
  3. Q3 2026 Set A
    What is the raw material for decomposition called?
  4. Q4 2026 Set A
    What is secondary consumer called?
  5. Q5 2026 Set A
    What are those called which obtain energy and nutrition from breaking dead organic matter or detritus?