Practice Test - Characteristics of Life and Classification

Name: ___________________

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1. Which of the following is true?

a. Living things respond to their environment.
b. Living things grow, develop, and reproduce.
c. Living things obtain and use energy.
d. All of the above are true.

2. If a cell is eukaryotic, then it ________.

a. is a prokaryote
b. must only be an animal cell
c. must contain a nucleus
d. does not have DNA

3. Which one of the following is made of cells that have "cell walls?"

a. human
b. mouse
c. tomato plant
d. all of the above

4. Organisms that cannot make their own food and must obtain energy by consuming other organisms are called?

a. abiotic
b. heterotrophs
c. organelles
d. autotrophs

5. In plants, photosynthesis takes place in the __________ ?

a. nucleus
b. cell membrane
c. chloroplast
d. cell wall

6. Which of the following is made of cells that have a nucleus with DNA?

a. lion
b. tree
c. grass
d. all of the above

7. If a cell is prokaryotic, then it ________.

a. is always a eukaryote
b. is often a eukaryote
c. contains a nucleus
d. does not contain a nucleus

8. Proteins perform a vast array of functions within living organisms. Protein is made up of chains of _________ ?

a. Amino Acids
b. Carbon Dioxide
c. Salts
d. Bacteria

9. Which of the following is NOT a correct pairing?

a. Abiotic -> pH
b. Abiotic -> Temperature
c. Biotic -> Bacteria
d. Biotic -> Pressure

10. Viruses are generally considered to be non-living because _____________

a. they are not made up of living cells.
b. they do not reproduce independently but, instead, must replicate by invading living cells.
c. Both of the above.
d. None of the above.

11. Which of the following is True?

a. Animal cells are usually prokaryotic.
b. All living things have the ability to move.
c. All living things have DNA.
d. all of the above

12. Which of the following best defines homeostasis as it relates to living cells?

a. tendency to reproduce rapidly
b. tendency to maintain a stable internal environment of pH and temperature
c. tendency to convert rapidly from biotic to abiotic
d. tendency to grow too fast for the DNA to be able to function properly

13. The "basic unit of organization" of living things is the ____.

a. atom
b. molecule
c. macromolecule
d. cell

14. An organism is eukaryotic, autotrophic, and has a cell wall. To which kingdom does it belong?

a. Animal
b. Plant
c. Bacteria
d. None of the above

15. Which of the following organisms are prokaryotes?

a. Animals & Plants
b. Protists
c. Fungi
d. Bacteria (Eubacteria and Archaea)

16. For the purpose of classification, which of the following starts at general and moves to more specific?

a. Kingdom - Phylum - Class - Order - Family - Genus - Species
b. Species - Genus - Family - Order - Class - Phylum - Kingdom
c. Order - Kingdom - Species - Class - Phylum - Genus - Family
d. Order - Kingdom - Species - Class - Genus - Phylum - Family

17. Which of the following correctly list taxon from least specific to most specific?

a. Family, Genus, Species
b. Family, Genus, Kingdom
c. Family, Genus, Class
d. Family, Genus, Phylum

18. The formal "scientific name" for living things has a first part (the Genus), and a second part (the Species within the Genus). Since the Genus for humans is Homo, and the Species name within Homo for humans is Sapiens, humans are called ____________

a. Homo sapiens
b. Sapiens homo
c. Sapiens Sapiens homo
d. None of the above.

19. Which category of classification has the largest variety of organisms?

a. Kingdom
b. Phylum
c. Genus
d. Species

20. The taxon Phylum contains all of the following taxa except ____________

a. Kingdom
b. Order
c. Genus
d. Species