Fusion of two nuclei is called karyogamy → Correct

Spores of slime moulds possess true walls → Correct (resistant spore wall present)

Euglenoids have pigments identical to higher plants → Correct (chlorophyll a and b)

Dinoflagellates may be lethal for other marine animals → Correct (red tides, toxins)

(E) Mycoplasmas are smallest living cells and can survive without oxygen → Correct (can grow without O₂)

(F) Boundaries of kingdom Protista are not well defined → Correct

(G) Majority of heterotrophic bacteria are decomposers → Correct

(H) Blue-green algae (cyanobacteria) colonies are generally surrounded by gelatinous sheath → Correct

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