BIOL133 Chapter 1 Complete Exam set
with Questions and simplified correct
Answers
Which is an example of a hypothesis that can explain the observation, flashlight does not work?
1. The batteries are dead or the bulb is burned out.
2. Replacing the batteries will make the flashlight work.
3. The batteries are dead.
4. If the bulb is replaced will the flashlight work? - correct answer- ✅3. The batteries are dead.
Place the steps of the scientific method in order from beginning to end.
1) Form a hypothesis
2) Analyze the results
3) Perform the experiment
4) Form a conclusion
5) Make an observation
6) Support or reject the hypothesis
1 - 1,6,2,5,3,4
2 - 5,1,3,2,4,6
3 - 6,4,2,3,1,5
4 - 4,5,3,2,1,6 - correct answer- ✅2 - 5,1,3,2,4,6
An experiment tested the health effects of a nutritional supplement by the following
procedure:People were asked to choose to join the experimental group or the control group.
People in the experimental group were given the supplement added to a pink, strawberry-
flavored drink. People in the control group were given a glass of water. One hour later, the
people were asked "Do you feel better?" How would you improve the experimental protocol?
1. People should be randomly assigned to one group or the other.
2. The drinks should both look and taste the same.
3. The assessment should instead ask "Do you feel worse?"
4. People in the experimental group should be warned that they are getting a drug
5. The assessment should measure something more specific, such as blood pressure.
6. Sick people should all join the experimental group, so they can benefit from the supplement.
7. Vitamins should also be added to the experiment - correct answer- ✅n/a
What sequence increases in complexity for levels of biological organization?
1. atoms, cells, tissues, molecules, organs, systems
2. atoms, molecule, cells, tissues, organs, systems
with Questions and simplified correct
Answers
Which is an example of a hypothesis that can explain the observation, flashlight does not work?
1. The batteries are dead or the bulb is burned out.
2. Replacing the batteries will make the flashlight work.
3. The batteries are dead.
4. If the bulb is replaced will the flashlight work? - correct answer- ✅3. The batteries are dead.
Place the steps of the scientific method in order from beginning to end.
1) Form a hypothesis
2) Analyze the results
3) Perform the experiment
4) Form a conclusion
5) Make an observation
6) Support or reject the hypothesis
1 - 1,6,2,5,3,4
2 - 5,1,3,2,4,6
3 - 6,4,2,3,1,5
4 - 4,5,3,2,1,6 - correct answer- ✅2 - 5,1,3,2,4,6
An experiment tested the health effects of a nutritional supplement by the following
procedure:People were asked to choose to join the experimental group or the control group.
People in the experimental group were given the supplement added to a pink, strawberry-
flavored drink. People in the control group were given a glass of water. One hour later, the
people were asked "Do you feel better?" How would you improve the experimental protocol?
1. People should be randomly assigned to one group or the other.
2. The drinks should both look and taste the same.
3. The assessment should instead ask "Do you feel worse?"
4. People in the experimental group should be warned that they are getting a drug
5. The assessment should measure something more specific, such as blood pressure.
6. Sick people should all join the experimental group, so they can benefit from the supplement.
7. Vitamins should also be added to the experiment - correct answer- ✅n/a
What sequence increases in complexity for levels of biological organization?
1. atoms, cells, tissues, molecules, organs, systems
2. atoms, molecule, cells, tissues, organs, systems
