Worksheet Chapter 1: Introduction to Biology and Laboratory Rules

1. Compare and contrast a Fume Hood and a Biological Safety Cabinet (BSC) in terms of their primary functions and what they protect.

2. Explain why biological drawings must not contain shading or color fills.

3. Which of the following items is classified under Category A biological waste?

4. Fill in the blank: The study of microorganisms such as bacteria, microscopic fungi, and viruses is called ________.

5. A student investigates the effect of pH on the rate of salivary amylase enzyme activity. Identify the following variables: (a) Manipulated variable (b) Responding variable (c) One fixed variable

6. An experimental animal carcass (rat) was used for an organ system dissection. Outline the correct steps to dispose of this biological waste according to standard laboratory protocols.

7. State the function of a Safety Shower in a biology laboratory.

8. Describe the proper procedure for managing and disposing of non-sharp soft biological waste (Category B), such as used agar plates and contaminated gloves.

9. True or False: Used culture plates (petri dishes with agar) belong to Category A waste and should be placed in sharp waste containers.

10. True or False: On a line graph, the manipulated variable is plotted on the horizontal X-axis.