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STD 11 - 2. Biology classification — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 2. Biology classification1 Mark
MCQ
Which among the following is $not$ a prokaryote?
  • A
    Oscillatoria
  • ✓
    Saccharomyces
  • C
    Nostoc
  • D
    Mycobacterium
✓

Answer

Correct option: B.
Saccharomyces
b
An organism that does not possess a true nucleus (nucleus with nuclear membrane) and double membrane-bounded organelles are called as prokaryotes.

Phylum Monera is the prokaryotes i.e., bacteria (Mycobacterium), cyanobacteria (Nostoc and Oscillatoria).

Whereas, Saccharomyces belong to phylum Fungi which possess a true nucleus and double membrane-bounded organelles i.e., eukaryotic.

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