BIOL 1001 | 2026 Exam – 60 Questions on Atoms, Chemical Bonds, Water, pH | Louisiana State University

This document features 60 expertly answered exam questions from Chapter 2 of BIOL 1001 – General Biology at Louisiana State University, tailored for the 2026 academic year. It provides an in-depth review of atomic structure, chemical bonding, water properties, and acid-base balance, all essential concepts for students enrolled in introductory biology. Topics covered include: Subatomic particles (protons, neutrons, electrons) and atomic neutrality Isotopes, electron shells, and chemical reactivity Ionic, covalent (polar and nonpolar), and hydrogen bonding Redox reactions, free radicals, and molecular stability The role of water in biology, including cohesion, hydrogen bonding, solvent capabilities, and thermal properties pH scale, acids, bases, buffers, and the bicarbonate buffering system in blood This resource is ideal for undergraduate students in biology, health sciences, biochemistry, pre-med, and other life science disciplines. It is particularly beneficial for those enrolled in BIOL 1001, BIOL 1201, or equivalent courses, and can be used to prepare for quizzes, unit exams, and standardized biology tests. Each question is paired with a concise, correct answer, making the document highly efficient for exam preparation, self-testing, and concept reinforcement. Its structured layout ensures clarity and fast navigation through the core principles of biological chemistry. Keywords: BIOL 1001, LSU, atomic structure, protons, neutrons, electrons, isotopes, covalent bonds, ionic bonds, hydrogen bonds, redox reactions, free radicals, water properties, cohesion, solvent, pH, acids, bases, buffers, bicarbonate, biology exam, scientific chemistry, introductory biology