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STD 12 - 12. ecosystem — Biology STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceBiologySTD 12 - 12. ecosystem1 Mark
MCQ
In pond ecosystem, diatoms represent
  • ✓
    Producers
  • B
    Primary consumer
  • C
    Secondary consumer
  • D
    Tertiary consumer
✓

Answer

Correct option: A.
Producers
a
In a pond ecosystem, producers include phytoplankton ($e.g.$, diatoms, Chlorella, Spirogyra, Chlamydomonas, etc), free floating macrophytes($e.g.$,Lemna, Azolla), suspended macrophytes($e.g.$, Utricularia, Hydrilla), submerged plants (Vallisneria), floating leaved plants ($e.g.$, Nelumbo), emergent plants (Sagittaria) etc.

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