Biology I SOL Study Guide

Practice for the Biology I Virginia SOL test across all 8 standards and 8 strands. SOL Prep turns every standard into a diagnostic, guided notes, flashcards, and SOL-style practice questions — so you drill what you’re actually weak on instead of re-reviewing what you know.

Biology I SOL practice tests

Practice Biology I with 395 free questions from official Virginia Department of Education released tests, or drill standard by standard with SOL Prep.

What Biology I covers

Scientific and Engineering Practices

  • BIO.1Demonstrate understanding of scientific and engineering practices through inquiry, investigation, and communication.

Chemical and Biochemical Processes

  • BIO.2Investigate the role of chemical and biochemical processes in maintaining life.

Cell Structure and Function

  • BIO.3Investigate the structure and function of cells and their role in life processes.

Bacteria and Viruses

  • BIO.4Investigate the effects of bacteria and viruses on living systems.

Mechanisms for Inheritance

  • BIO.5Investigate common mechanisms for inheritance and genetic variation.

Classification Systems

  • BIO.6Use modern classification systems to organize and study organisms.

Populations Change Through Time

  • BIO.7Investigate how populations change over time through evolution.

Dynamic Equilibria in Ecosystems

  • BIO.8Investigate dynamic equilibria within populations, communities, and ecosystems.

Frequently asked questions

What is on the Biology I SOL test?

The Biology I Virginia SOL test is organized into 8 reporting strands: Scientific and Engineering Practices, Chemical and Biochemical Processes, Cell Structure and Function, Bacteria and Viruses, Mechanisms for Inheritance, Classification Systems, Populations Change Through Time, Dynamic Equilibria in Ecosystems. It assesses the 8 Standards of Learning listed on this page.

How many standards does Biology I cover?

Biology I covers 8 individual Virginia SOL standards across its 8 strands.

Where can I find Biology I SOL practice tests?

The Virginia Department of Education publishes official released tests and practice items at doe.virginia.gov — see our Virginia SOL practice tests guide for direct links. SOL Prep adds standard-by-standard practice for each of the 8 Biology I standards below.

How should I study for the Biology I SOL?

Start with a diagnostic to find which of the 8 Biology I standards you're weakest on, then focus practice there instead of re-reviewing what you already know. Work each standard's skills, then take a mixed practice check.