5th Grade Review Cells & Genetics

An organism is uniquely specialized to carry out all functions within one cell. To which of the following categories does this organism most likely belong?

• Unicellular organisms

• Multicellular organisms

• Mammals

• Animals

Which is the most accurate description of DNA?

• a. DNA is found in most unicellular and multicellular organisms

• b. DNA is not passed on from one generation to the next

• c. DNA is a microscopic unit that makes up tissues and organs

• d. DNA is the “molecule of life” that gives the detailed information to code for your traits

3. Which term most accurately refers to the organism produced from two parents?

• Diverse

• Genetic

• Inherited

• Offspring

4. How might unicellular and multicellular organisms differ?

• a. Only multicellular organisms contain DNA

• b. Only unicellular organisms contain DNA

• c. Multicellular organisms are often more complex

• d. Unicellular organisms are often more complex

5. Which of the following is needed by all living things for survival?

• Energy

• Meat

• Houses

• d. All of these

6. Tissues are made up of which of the following?

• Organs

• Cells

• c. Organ systems

• Organisms

7. A paramecium is considered which of the following?

• Unicellular

• Multicellular

• Prokaryotic

• d. None of the above

8. The cell theory states that all cells must come from

• DNA

• b. Multicellular organisms

• c. Other cells

• Organs

9. Which best describes a difference between plant and animal cells?

• a. Plant cells have a true nucleus and animal cells do not

• b. Animal cells have a true nucleus and plant cells do not

• c. Animal cells are able to photosynthesize and plant cells are not

• d. Plant cells are able to photosynthesize and animal cells are not

10. Which is NOT considered a unicellular organism?

• a. A mammal

• b. A paramecium

• c. A bacterium

• d. An amoeba