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Membrane-bound organelles are absent in
A
$Plasmodium$
B
$Saccharomyces$
C
$Streptococcus$
D
$Chlamydomonas$
Detailed Solution
Membrane-bound organelles (nucleus, mitochondria, ER, Golgi complex, etc.) are present only in eukaryotic cells; prokaryotic cells lack them.
$Streptococcus$ is a bacterium, i.e., a prokaryote, so it has no membrane-bound organelles.
$Plasmodium$ (a protozoan), $Saccharomyces$ (yeast, a fungus) and $Chlamydomonas$ (a green alga) are all eukaryotes with membrane-bound organelles.
Hence membrane-bound organelles are absent in $Streptococcus$.
$Streptococcus$ is a bacterium, i.e., a prokaryote, so it has no membrane-bound organelles.
$Plasmodium$ (a protozoan), $Saccharomyces$ (yeast, a fungus) and $Chlamydomonas$ (a green alga) are all eukaryotes with membrane-bound organelles.
Hence membrane-bound organelles are absent in $Streptococcus$.