FTCE General Knowledge Math Practice Test 2026 - Free Practice Questions and Study Guide

The conversion between ounces and grams is commonly used in cooking, nutrition, and scientific contexts. One ounce is equal to approximately 28.35 grams. Since the question asks for how many grams are in 1 ounce and the closest standard approximation is 28 grams, this option is the most accurate for practical purposes.

Therefore, when measuring ingredients or converting measurements, knowing that 1 ounce is roughly equal to 28 grams helps in ensuring precise quantities for recipes or analytical measurements. The other choices do not reflect the commonly accepted conversion and thus are less applicable in this context.