Exploring Life Quiz

The smallest unit of life is the ______.

• cell

• atom

• tissue

• organ

Which of the following is NOT a necessary characteristic of a living thing?

• It is made up of cells.

• It eats food to get energy.

• It grows and develops.

• It responds to stimuli.

Which of the following is a multicellular organism?

• bacterium

• amoeba

• mouse

• paramecium

Which statement is true?

• Cells come in different shapes, but are all about the same size—very, very small.

• Cells come in different shapes and sizes.

• Cells all have the same shape, but come in different sizes.

• Cells are all the same shape and size—small and rounded.

Animals are multicellular.

• True

• False

______________ cells have genetic material that is not surrounded by a lining.

• Prokaryotic

• Eukaryotic

• Plant

• Animal

The cell theory is the result of the hypothesis and observation of one person.

• True

• False

The cell theory states that all cells come from cells that already exist.

• True

• False

Which correctly describes a difference between prokaryotic and eukaryotic cells?

• Only prokaryotic cells have vacuoles.

• Eukaryotic cells are smaller than prokaryotic cells.

• Prokaryotic cells have many organelles, each with their own specialized functions.

• Only eukaryotic cells have their genetic material surrounded by a lining.

What is one observation Jade could make to provide evidence that an onion is made of cells?

• The onion slice changes color under the microscope.

• The onion slice emits a strong odor.

• The onion slice has cell walls surrounding rows of units.

• The onion slice dissolves in water.