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Diatoms are placed under Kingdom Protista group:
AEuglenoids
BDinoflagellates
CSlime Moulds
DChrysophytes
Answer & Solution
Correct answer: D. Chrysophytes
Diatoms (and desmids) belong to Chrysophytes — golden algae. Their cell walls are silica-impregnated (forming 'diatomaceous earth' over geological time). Diatoms are the chief 'producers' in the oceans.
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