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The phenomenon of red tides in the ocean occurs due to
(A) diatoms
(B) dinoflagellates
(C) desmids
(D) mycoplasma
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…….. are known as the chief producers in the oceans.
(A) Dinoflagellates
(B) Diatoms
(C) Euglenoids
(D) Slime molds
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Complete the following analogy. Trypanosoma: Flagellated Protozoa Paramoecium: ……….
(A) Sporozoa
(B) Ciliated protozoa
(C) Amoeboid protozoa
(D) Slime mould
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Which of the following is referred to as true bacteria?
(A) Archaebacteria
(B) Chrysophytes
(C) Eubacteria
(D) Euglenoids
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