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Model Paper 2 — BIOLOGY STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceBIOLOGYModel Paper 21 Mark
MCQ
In which from express comperatively productivity of various ecosystems?
  • A
    $gm ^{-2} yr ^{-1}$
  • B
    $( KCal ) yr ^{-1}$
  • ✓
    (A) and (B)
  • D
    None of them
✓

Answer

Correct option: C.
(A) and (B)
C

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