Micro Organisms – Section 1

11. Which of the following is considered the most unifying concept in biology?

A. Taxonomy
B. Anatomy
C. Genetics
D. Evolution

Correct Answer: D. Evolution

12. Various bacterial species can be subdivided into

A. subspecies
B. biovarieties
C. serovarieties
D. all of these

Correct Answer: D. all of these

13. Living organisms have many complex characteristics. Which one of the following is shared by non-living matter as well?

A. Homeostasis
B. Tissues
C. Reproduction
D. Molecules

Correct Answer: D. Molecules

14. A newly discovered microscopic structure is hypothesized to be a living organism. Which of the following lines of evidence would support the contention that this organism may be alive?

A. It contains DNA
B. It is made of a single cell
C. It utilizes energy
D. All of these

Correct Answer: C. It utilizes energy

15. Mycoplasmas, rickettsiae, and chlamydiae are

A. types of fungi
B. small bacteria
C. species of protozoa
D. forms of viruses

Correct Answer: B. small bacteria

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