Start learning →

Which planet is the smallest in the Solar System?

AMars
BVenus
CMercury
DEarth
Answer & Solution
Correct answer: C. Mercury
Mercury has the smallest size of the eight planets and is also the nearest to the Sun.
Practise this question with Quill — Olympiad (Class 5) →

Keep practising Universe

Browse all Universe questions for Olympiad (Class 5), or explore more General Knowledge topics.

Start a Universe lesson →
Related questions