1) A group of these microorganism can be seen with naked eyes. a) Protozoa b) Fungi c) Algae d) Bacteria e) Virus 2) This microorganisms live in water a) Protozoa b) Fungi c) Algae d) Bacteria e) Virus 3) Can only be seen under an electron a) Protozoa b) Fungi c) Algae d) Bacteria e) Virus 4) Exist in a variety of shapes, sizes and colours. a) Protozoa b) Fungi c) Algae d) Bacteria e) Virus 5) What instrument can be used to observe all these microorganisms. a) Telescope b) Microscope c) Stethoscope d) Periscope e) Binoculars

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