LIFE SCIENCE

OBJECTIVE LIFE SCIENCE

DIVERSITY AMONG LIFE FORMS

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Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]

I’m unicellular, asexual, prokaryotic and you can find me in almost all environments. What am I?

A	Animalia
B	Protista
C	Fungi
D	Bacteria

Explanation:

Detailed explanation-1: -Members of the domain Archaea are unicellular and prokaryotic, and they live in some extreme environments-in volcanic hot springs, brine pools, and black organic mud totally devoid of oxygen. Many of these bacteria can survive only in the absence of oxygen.

Detailed explanation-2: -To their surprise they discovered unicellular (one cell) organisms in the samples. These organisms are today classified in the kingdom, Archaebacteria.

Detailed explanation-3: -Bacteria and archaea are all unicellular prokaryotes. Eukaryotes do have cell nuclei and their structures are more complex. Yeasts and algae are examples of unicellular eukaryotes. Unlike prokaryote cells, eukaryote cells have organelles, cell organs fulfilling important functions in the cell.

There is 1 question to complete.