Microorganism 7th Grade

Which organism has a prokaryotic cell?

• 1. monkey

• 1. bacteria

• 1. mosquito

• 1. fern

Structures too small to be easily seen with the naked eye are

• 1. heteroscopic.

• 1. microscopic.

• 1. macroscopic.

• 1. endoscopic.

What is a virus?

• 1. two-part structure that makes proteins

• 1. strand of hereditary materials surrounded by protein coating

• 1. director of all cell activity

• 1. structure within the nucleolus

Microscopic germs that get inside your body and can potentially cause an infection are                .

• 1. diseases

• 1. benign

• 1. mutations

• 1. pathogens

A pathogen is a............

• 1. decomposer

• 1. hunter

• 1. gatherer

• 1. disease-causing organism

Which statement about bacteria is not true?

• 1. Bacteria can be either autotrophic or heterotrophic.

• 1. Bacteria are prokaryotes.

• 1. Bacteria have a cell nucleus.

• 1. Bacteria do not have nucleic acids.

Bacteria are eukaryotes.

• 1. True

• 1. False

1. What type of a cell is shown in this unicellular organism?

• 1. plant

• 1. animal

• 1. eukaryotic

• 1. prokaryotic

Bacteria are what type of organism?

• 1. unicellular

• 1. multicellular

Which statement is true about viruses?

• 1. They are non-living.

• 1. They do not have nucleus or organelles.

• 1. They cannot be seen with a light microscope.

• 1. They do not have a cell membrane.

• 1. all of the above