BIO 105 Exam 1 Review Questions and
Answers 100% PASS
Define Biology - CORRECT ANSWER-study of living things
Know the steps in the scientific method - CORRECT ANSWER-1. Observation
2. Question
3. Hypothesis
4. Experiment
5. Analyze
6. Hypothesis- True
7. Report results
*6. Hypothesis-Fasle
*7. Revise hypothesis
Recognize what science can and cannot investigate - CORRECT ANSWER-it can
investigate reasoning: why, how, what...
, cannot investigate right or wrong
What special aspect determines an element's properties - CORRECT ANSWER-
number of protons and neutrons
Know how to determine the number of protons, electrons, and neutrons in an
element by its entry in the periodic table - CORRECT ANSWER-Atomic # (top)-
protons
Atomic mass (bottom)- sum of protons & neutrons
Period (columns)- # of shells (2 in first, up to 8 in others)
Group (rows)- # of electrons in outer shell
Know what an isotope is - CORRECT ANSWER-atoms of the same element that
diiffer in number of neutrons
Know the 4 major and 4 trace elements important to life - CORRECT ANSWER-
Carbon, oxygen, hydrogen, nitrogen
Calcium, phosphorus, potassium, sulfur
Know what a valence is - CORRECT ANSWER-outer shell
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
Answers 100% PASS
Define Biology - CORRECT ANSWER-study of living things
Know the steps in the scientific method - CORRECT ANSWER-1. Observation
2. Question
3. Hypothesis
4. Experiment
5. Analyze
6. Hypothesis- True
7. Report results
*6. Hypothesis-Fasle
*7. Revise hypothesis
Recognize what science can and cannot investigate - CORRECT ANSWER-it can
investigate reasoning: why, how, what...
, cannot investigate right or wrong
What special aspect determines an element's properties - CORRECT ANSWER-
number of protons and neutrons
Know how to determine the number of protons, electrons, and neutrons in an
element by its entry in the periodic table - CORRECT ANSWER-Atomic # (top)-
protons
Atomic mass (bottom)- sum of protons & neutrons
Period (columns)- # of shells (2 in first, up to 8 in others)
Group (rows)- # of electrons in outer shell
Know what an isotope is - CORRECT ANSWER-atoms of the same element that
diiffer in number of neutrons
Know the 4 major and 4 trace elements important to life - CORRECT ANSWER-
Carbon, oxygen, hydrogen, nitrogen
Calcium, phosphorus, potassium, sulfur
Know what a valence is - CORRECT ANSWER-outer shell
© 2026 Copyright. All Rights Reserved. This document is
protected by copyright law
