Biology Unit 1 Test Review

Which of the statements below demonstrates a student using correct lab safety procedures?

• Suzanne did not use all of the sulfuric acid she poured out for the experiment, so she returned the remainder to the stock bottle.
• Rodney wafted the fumes produced during the reaction toward his nose.
• Andrew heated the test tube towards himself in order to better observe the reaction.
• Kadie was aware of the lab procedures that day so she began the lab before the rest of the class to be sure she would finish.

Cindy broke a test tube. Carefully she picked up pieces with one had and placed them in her other hand. Then she dumped the glass pieces into the wastebasket. Which lab safety rule is being broken in the scenario?

• Keep the work area clean and clean up after the lab is over
• Do not pick up broken glass with your bare hands
• Do not taste any of the lab materials
• Tie back long hair and push up long sleeves

Which piece of lab equipment is pictured below and has specific markings for highly accurate measurements of liquid volumes?

• Beaker
• Graduated Cylinder
• Erlenmeyer Flask
• Test Tube

What piece of lab equipment is pictured below and is used to hold and heat liquids and serves multiple purposes in the lab?

• Beaker
• Graduated Cylinder
• Erlenmeyer Flask
• Test Tube

The base unit of volume in the metric system is the...

• meter.
• gram.
• liter.
• newton.

The standard unit of length in the metric system is the...

• gram.
• liter.
• yard.
• meter.

The metric system is based on a value of _____, which makes converting much easier.

• 1
• 10
• 100
• 1000

Which of the metric conversion units below would be the best to measure the volume of water in a swimming pool?

• kiloliter
• mililiter
• hectoliter
• centiliter

A typical aspirin has a mass of 500 mg. Convert this quantity to grams.

• 0.05 grams
• 0.5 grams
• 50 grams
• 5000 grams

Below are two measurements. Determine if the first is greater than, less than, or equal to the second. 1500 mL is ________________ to 1.5 L

• Greater than
• Less than
• Equal to