Bacteria Quiz

Which is NOT a way in which bacteria are beneficial to humans?

• aids in clean up of small oil spills.
• is a source of disease
• aids in digestion in intestinal tracts
• is used in synthesizing drugs

The presence of which of the following organelles or structures would most likely indicate that a cell is eukaryotic and NOT prokaryotic

• cell wall
• plasma membrane
• nucleus
• ribosomes

Which statement is true about prokaryotic cells?

• they contain a nucleus
• they usually lack cell walls
• they lack ribosomes
• they contain a single circular DNA molecule

Which characteristic of prokaryotic organisms makes them different from eukaryotes?

• prokaryotes have DNA
• prokaryotes do not have chromosomes
• prokaryotes are made of cells
• prokaryotic cells do not have membrane-bound organelles

Under a microscope, a series of cells are observed that lack membrane-bound internal organelles. Which of these is the most likely cell type?

• prokaryotic cell
• plant cell
• animal cell
• eukaryotic cell

The smallest unit that can carry out all activities associated with life is-

• the organelle
• a tissue
• the atom
• the cell

What is a difference between a prokaryotic and eukaryotic cell?

• prokaryotes do not have genetic material
• prokaryotes cannot have a cell wall
• prokaryotes do not have a membrane surrounding their genetic material
• prokaryotes do not have cytoplasm

What is found in a eukaryote but NOT in a prokaryote?

• genetic material
• cytoplasm
• ribosomes
• chloroplasts

Which type of organisms is believed to have evolved first?

• prokaryotes
• protists
• algae
• fungi

Which of the following is not an infectious disease?

• influenza
• cancer
• AIDS
• small pox