AP®︎ Biology: Topic 1.1 Practice Test
Prepare for your quiz, test, or the AP exam with focused practice questions on Topic 1.1 of AP Biology – Structure of Water and Hydrogen Bonding.
Questions List
Topic 1.1
Question 1 Easy
This question tests the following: SYI-1.A
What type of molecule is water?
What You’re Being Tested On:
Explore the learning objectives taken directly from the College Board’s AP® Biology Curriculum. Ensure you’re prepared for the exact topics covered on the AP® exam, in-class tests, and quizzes, and gain confidence in your mastery of the material.
Topic 1.1: Structure of Water and Hydrogen Bonding
Learning Objective: 1.1.A
Explain how the properties of water that result from its polarity and hydrogen bonding affect its biological function.
Essential Knowledge: 1.1.A.1
Living systems depend on the properties of water to sustain life. i. Water has polarity, because of the formation of polar covalent bonds between hydrogen and oxygen within water molecules. This polarity contributes to hydrogen bonding between and within biological molecules. ii. Water has a high specific heat capacity, which allows for the maintenance of homeostatic body temperature within living organisms. iii. Water has a high heat of vaporization, which allows for the evaporative cooling of the surrounding environment. In living organisms, this property allows for body temperature to be maintained.
Essential Knowledge: 1.1.A.2
The hydrogen bonds between adjacent polar water molecules result in cohesion, adhesion, and surface tension.
