The cell wall of diatoms is composed of .........

  • A
    Silica
  • B
    Calcium carbonate
  • C
    Keratin
  • D
    Calcium oxalate

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Match the following columns:
Column-$I$ (Group)Column-$II$ (Example/Characteristic)
$P$. Chrysophytes$I$. Euglena
$Q$. Dinoflagellates$II$. Diatoms,Desmids
$R$. Euglenoids$III$. Physarum (Slime mold)
$S$. Slime molds$IV$. Gonyaulax

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Nosema belongs to which phylum?

Which kingdom obtains nutrition through photosynthesis and absorption?

Passive food ingestion in $Amoeba$ is known as

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