A proper GIA-style online test should mirror the standard exam format, often divided into three parts:

: Vitamins, water-salt balance, and the transformation of energy within the body.

: Blood composition (plasma and cells), blood types, immunity, and the circulatory system (heart and blood vessels).

For an 8th-grade biology online test aligned with GIA (State Final Examination) standards, the content primarily focuses on . The exam typically tests knowledge of body systems, health, and general biological laws. Core Exam Topics