Question

Membrane-bound organelles are absent in?

• A. Saccharomyces
• B. Chlamydomonas
• C. Streptococcus
• D. Plasmodium

Answer 1

The correct option is C

Streptococcus

The correct option is C.

Explanation for the correct option:

Option C:

1. Membrane-bound organelles such as mitochondria and chloroplasts are not seen in unicellular prokaryotic organisms which belong to the Kingdom Monera.
2. They are absent in Streptococcus which is a species of bacteria.

Explanation for the incorrect options:

Option A:

Saccharomyces is a eukaryotic organism i.e. fungi that do have a membrane-bound organelle.

Option B:

Chlamydomonas is a green alga that is a eukaryotic organism that does have a membrane-bound organelle.

Option D:

Plasmodium is a protozoan that does have a membrane-bound organelle.

Final answer: Membrane-bound organelles are absent in Streptococcus.