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BIOLOGY

JAMB 2013 - Question 12

Biology 2013 JAMB Past Questions - Question 12: Which of the following is the simplest living organism?

Choose the most appropriate option for the gap .

Which of the following is the simplest living organism?

A: Virus.

B: Amoeba.

C: Chlamydomonas.

D: Paramecium

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Correct Answer

Explanation

Virus is extremely small 'and' passes through bacterial filter. It has no cell structures (organelles) but is composed of just a coiled strand of nucleic acid (DNA or RAN or both) enclosed with a protein coat. Virus is visible only under & powerful electron microsope...Other options are . unicellular organisms with normal cell structures or organelles. They are visible under simple or ordinary microscope.