Millennium E-learning Centre

1. A dichotomous key is used to:

a) measure plant height
b) identify organisms
c) study animal movement
d) measure temperature

2. The word "dichotomous" means:

a) two choices
b) many choices
c) no choices
d) three choices

3. A dichotomous key works by:

a) guessing characteristics
b) comparing observable features
c) measuring temperature
d) counting organisms

4. Each step in a dichotomous key provides:

a) four choices
b) two contrasting statements
c) three options
d) one statement

5. Dichotomous keys are commonly used in:

a) classification of organisms
b) weather forecasting
c) measuring rainfall
d) cooking food

6. In a dichotomous key, the user must:

a) choose one of two options
b) choose all options
c) ignore characteristics
d) write new statements

7. Which skill is important when using a dichotomous key?

a) careful observation
b) singing
c) cooking
d) painting

8. Dichotomous keys help scientists to:

a) measure mass
b) identify unknown organisms
c) measure temperature
d) calculate speed

Time for test: Take Exams