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WorksheetsBiology Basics
Total questions: 10
Worksheet time: 5mins
Name
Class
Date
1.
Goggles must be worn when using
a)
sharp instruments
b)
fire
c)
chemicals
d)
all of these
2.
I can preform an experiment of my own:
a)
only with permission from the teacher
b)
when I'm sure it is safe to do so
c)
whenever I want to
d)
never
3.
A spill can cause an accident. Clean up a mess:
a)
at the end of class
b)
immediately
c)
when you have time
d)
during clean up time
4.
Researchers performing a well-designed experiment should base their conclusions on
a)
The hypothesis of the experiment
b)
Data from repeated trials of the experiments
c)
A small sample size to ensure a reliable outcome
d)
Results predicted before performing the experiement
5.
A scientist is planning an experiment on the effect of heat on the function of a certain enzyme. Which would NOT be an appropriate first step?
a)
Completing a data table of expected results
b)
Having discussions with other scientists
c)
Using what is already known about the enzyme
d)
Doing research about enzymes in the library
6.
A study on a poultry farm was conducted to determine the percentage of vitamin supplement necessary to add to the feed of turkeys in order to maximize their growth. According to this data, what percentage of vitamin supplement should be added to the turkey's diet?
a)
6%
b)
8%
c)
10%
d)
14%
7.
How many variables should be manipulated in a correct scientific experiment?
a)
0
b)
1
c)
2
d)
3
8.
The first step in the scientific mehtod is to ask a question or
a)
form a hypothesis
b)
state the problem
c)
state the conclusion
d)
research the problem
9.
To safely observe the odor of a chemical in a test tube, you should
a)
slowly move the test tube under your nose and sniff
b)
pour some into a shallow dish and then inhale the odor
c)
waft the vapors from teh tube toward your nose with your hand
d)
move the test tube under a fume hood and smell the air under the hood
10.
While working on a pH lab, Alex spilled strong acid all over the table. What should she do first?
a)
Inform her teacher
b)
Wipe it up with a paper towel
c)
Light it on fire to burn it off the table
d)
Mix it with a base and wipe it with a cloth rag
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