BIO 181 Lab Midterm Grand Canyon
University 2024/2025 Exam Questions
and Detailed Answers | Get it 100%
Correct Answers
What is a hypothesis? - 🧠ANSWER ✔✔- A tentative explanation thetas
given and can be tested.
- Predictions that can be tested by conducting observations or by
performing experiments.
What is a null hypothesis? - 🧠ANSWER ✔✔- Is a default assumption that
an explanation or prediction is false.
What is an alternative hypothesis? - 🧠ANSWER ✔✔- Is the alternative
explanation to the null hypothesis thetas accepted as a best explanation if
the null hypothesis is rejected.
What is a dependent variable? - 🧠ANSWER ✔✔- The elements measured
or counted by an investigator in response to a change in an experiment as
a result of a change in the independent variable.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, What is an independent variable? - 🧠ANSWER ✔✔- The variable that
drives/manipulates a change in the dependent variable. the investigator
assumes that experimental outcomes can be predicted and even changed
by changing/manipulating an independent variable.
What is an experimental group? - 🧠ANSWER ✔✔- The section of the
experiment involving manipulation of an independent variable.
What is the control group? - 🧠ANSWER ✔✔- The section of the experiment
in which an independent variable is omitted or set a standard value. The
control group helps to evaluate how the manipulation of the independent
variable affects the outcome of the experiment.
Why is it important to formulate a hypothesis? - 🧠ANSWER ✔✔- It involves
suggesting possible answers to proposed scientific questions in a
predictive and explanatory form.
What are the five steps in the scientific method? - 🧠ANSWER ✔✔1)
Making observations
2) Formulating a hypothesis
3) designing an experiment to test the hypothesis
4) Presenting and analyzing results
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
University 2024/2025 Exam Questions
and Detailed Answers | Get it 100%
Correct Answers
What is a hypothesis? - 🧠ANSWER ✔✔- A tentative explanation thetas
given and can be tested.
- Predictions that can be tested by conducting observations or by
performing experiments.
What is a null hypothesis? - 🧠ANSWER ✔✔- Is a default assumption that
an explanation or prediction is false.
What is an alternative hypothesis? - 🧠ANSWER ✔✔- Is the alternative
explanation to the null hypothesis thetas accepted as a best explanation if
the null hypothesis is rejected.
What is a dependent variable? - 🧠ANSWER ✔✔- The elements measured
or counted by an investigator in response to a change in an experiment as
a result of a change in the independent variable.
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 1
STATEMENT. ALL RIGHTS RESERVED
, What is an independent variable? - 🧠ANSWER ✔✔- The variable that
drives/manipulates a change in the dependent variable. the investigator
assumes that experimental outcomes can be predicted and even changed
by changing/manipulating an independent variable.
What is an experimental group? - 🧠ANSWER ✔✔- The section of the
experiment involving manipulation of an independent variable.
What is the control group? - 🧠ANSWER ✔✔- The section of the experiment
in which an independent variable is omitted or set a standard value. The
control group helps to evaluate how the manipulation of the independent
variable affects the outcome of the experiment.
Why is it important to formulate a hypothesis? - 🧠ANSWER ✔✔- It involves
suggesting possible answers to proposed scientific questions in a
predictive and explanatory form.
What are the five steps in the scientific method? - 🧠ANSWER ✔✔1)
Making observations
2) Formulating a hypothesis
3) designing an experiment to test the hypothesis
4) Presenting and analyzing results
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY 2
STATEMENT. ALL RIGHTS RESERVED
