Cells Quiz

Which statement is not a part of the cell theory?

• Cells are the basic unit of structure of living things.

• Cells are the basic unit of function of living things.

• Cell parts such as chloroplasts are self-replicating.

• Cells come from preexisting cells.

Which instrument was used in the 18th and 19th centuries and helped scientists develop the cell theory?

• electron microscope

• light microscope

• microdissecting apparatus

• ultracentrifuge

Base your answer to the following question on the diagram below of a microscope and on your knowledge of biology. The highest possible magnification that can be obtained when using this microscope is

• 40x

• 100x

• 400x

• 4,000x

While viewing a specimen under high power of a compound light microscope, a student noticed that the specimen was out of focus. Which part of the microscope should the student turn to obtain a clearer image under high power?

• eyepiece

• coarse adjustment

• fine adjustment

• nosepiece

An ameba is a single-celled organism. It uses its cell membrane to obtain food from its environment, digests the food with the help of organelles called lysosomes, and uses other organelles to process the digested food. From this, we can best infer that

• all single-celled organisms have lysosomes to digest food

• amebas are capable of digesting any type of food molecule

• single-celled organisms are as complex as multicellular organisms

• structures in amebas have functions similar to organs in multicellular organisms

Most of the reactions by which energy from carbohydrates is released for use by the cell take place within the

• mitochondria

• nuclei

• ribosomes

• vacuoles

In single-celled organisms, materials are stored primarily in

• ribosomes

• mitochondria

• nuclei

• vacuoles

One primary function of the cell membrane is

• regulating the flow of simple sugars into or out of the cell

• synthesizing substances by breaking down cell organelles

• storing carbohydrates, water, and starches for future use

• digesting carbohydrates, fats, and protein

An ameba, a one-celled organism, can move, ingest, and transport materials within the cell, because it has

• organs

• organelles

• tissues

• systems

The chart below shows examples from two groups of organisms, multicellular and one-celled. The tissues and organs in group A perform functions that are:

• similar to those performed by the tissues and organs in group B

• similar to those performed by the cell organelles in group B

• different from those performed by the tissues and organs in group B

• identical to those performed by the cell organelles in group B