Multiple Choice Questions
1. The scientific study of life is called:
A. biology
B. ecology
C. anatomy
2. Human beings are _______________ because they are composed of many cell types.
A. unicellular
B. Acellular
C. multicellular
3. An individual or a complex individual that consists of organ systems is known as a/an _________________.
A. community
B. population
C. organism
4. The network or sphere of life on the planet is called the:
A. atmosphere
B. hydrosphere
C. biosphere
5. In a swamp, all of the alligators would represent a/an ___________.
A. organism
B. population
C. community
6. A concept based on conclusions of observations and experimentation that joins together well-supported and related hypotheses is called:
A. a law
B. a hypothesis
C. a scientific theory
7. A ______ is a group of interbreeding organisms.
A. community
B. biosystem
C. species
8. The region in which populations interact with each other and with the physical environment is called:
A. an ecology
B. an ecosystem
C. a biosystem
9. All of the changes that occur from the time an egg is fertilized through childhood, adolescence and adulthood is called:
A. metabolism
C. homeostasis
D. development
10. A/an _______ is composed of a group of similar cells that perform a particular function.
A. organ
B. system
D. tissue
11. In cytology homeostasis refers to:
A. the maintenance of an internal environment of a cell that varies only within certain limits.
C. the maintenance of an external environment of a cell that varies only within certain limits.
D. the maintenance of an external environment of a cell that can vary widely within certain limits.
12. When you eat a large meal, __________ processes convert the food into nutrients and energy.
A. homeostatic
B. metabolic
C. autotrophic
13. In organisms, ______ are responsible for directing development so that an offspring resembles its parents.
A. Tissues
B. Cells
C. Genes
14. Select the INCORRECT statement:
A. A cell is the basic unit of life.
B. Tissues are composed of cells..
D. Populations are composed of organ systems.
15. As the flowers of a sunflower track the sun, they are exhibiting __________.
A. metabolism
B. autotroph
C. response
16. Choose the CORRECT order (1-5) of increasing complexity/organization.
A. (1) tissues, (2) organ systems, (3) cells, (4) organs, (5) organism
B. (1) cells, (2) organ systems, (3) tissues, (4) organs, (5) organism
D. (1) cells, (2) tissues, (3) organs, (4) organ systems, (5) organism
17. The process of change that produces the diversity of life on Earth is called:
A. evolution
B. homeostasis
C. levels of organization
18. When members of a population are more successful at reproduction because of the inheritance of certain traits, this is a result of:
A. homeostasis
B. adaptation
C. metabolism
19. Traditions, beliefs, and values include _____ aspects of human life.
A. communicative
B. cultural
C. instructional
20. Today scientists are alarmed at the estimate that nearly 400 species go extinct per day due to human activities. Which one of the following has the greatest impact upon biodiversity and extinction?
A. pollution
B. overhunting and fishing
D. loss of habitat
21. ________ observations are supported by factual information while _______ observations involve personal judgment.
A. Subjective/analytical
B. Objective/analytical
C. Objective/subjective
D. Objective/hypothetical
22. The endeavor that, by using observable and objective means, strives to help human beings understand the natural world is referred to as:
A. technology
B. science
C. philosophy
23. ___________ is the unifying principle of the biological sciences.
A. Technology
B. Anatomy
D. Evolution
24. The tentative explanation to be tested is called:
A. a theory
B. a scientific theory
C. the hypothesis
25. The information collected during the experiment or observation is called:
B. a scientific theory
C. the hypotheses
D. the data
31. Dr. Barry Marshall used which of the following in his discovery of the cause of ulcers?
A. compiled other scientists' data regarding ulcers
B. inoculating himself with Helicobacter pylori
C. isolation of Helicobacter pylori from ulcer patients
D. All of the choices are correct.
32. The cause of stomach ulcers appears to be:
A. excess stomach acid
B. the bacterium Helicobacter pylori
C. drinking too much coffee
D. extreme stress
33. During a controlled study, when neither the patient nor the technician is aware of whether the patient is receiving a treatment, this is called:
A. statistical study
B. double-blind study
C. variable study
D. adaptive study
34. In an experiment designed to test the effect of temperature on goldfish respiration, the temperatures that were changed represent the ______ variable.
A. control
B. responding
C. experimental
D. correlative
35. When evaluating numerical data from a study on the impact of outboard motor upon the development of sh