everyday science MCQ #3383

The International System of Units (SI) has ___ base units of measurement.

everyday science MCQ #3383

  1. Question 1

    Q1. The International System of Units (SI) has ___ base units of measurement.

    • A) Two
    • B) Five
    • C) Seven
    • D) Nine

    Answer: Seven

    Explanation: SI (Système International) defines exactly seven base units: metre, kilogram, second, ampere, kelvin, mole, and candela, from which all other units are derived.