Join Our WhatsApp Channel for Exam Updates | Click here to Register for Olympiad Exams | Check Exam Dates here| See Marking Scheme here | Frequently Asked Questions (FAQs)

Subjects
- UMO
  Unicus Mathematics Olympiad (UMO)
  
  Syllabus (Year 2025-26)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Sample Papers (Year 2025-26)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Exam Date:
  
  Jul 15, 2025 / Aug 2, 2025
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UMO
  
  Olympiad Preparation
  
  FAQs
  USO
  Unicus Science Olympiad (USO)
  
  Syllabus (Year 2025-26)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Sample Papers (Year 2025-26)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Exam Date:
  
  Jul 10, 2025 / Jul 26, 2025
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About USO
  
  Olympiad Preparation
  
  FAQs
  UEO
  Unicus English Olympiad (UEO)
  
  Syllabus (Year 2025-26)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Sample Papers (Year 2025-26)
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Exam Date:
  
  Jul 19, 2025 / Jul 29, 2025
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UEO
  
  Olympiad Preparation
  
  FAQs
  UGKO
  Unicus General Knowledge Olympiad (UGKO)
  
  Syllabus (Year 2025-26)
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Sample Papers (Year 2025-26)
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Exam Date:
  
  Jul 5, 2025 / Jul 17, 2025
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UGKO
  
  Olympiad Preparation
  
  FAQs
  UCTO
  Unicus Critical Thinking Olympiad (UCTO)
  
  Syllabus (Year 2025-26)
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Sample Papers (Year 2025-26)
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Class 11
  
  Exam Date:
  
  Jul 12, 2025 / Jul 22, 2025
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UCTO
  
  Olympiad Preparation
  
  FAQs
  UGMO
  Unicus Global Mathematics Olympiad (UGMO)
  
  Syllabus (Year 2025-26)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Sample Papers (Year 2025-26)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Exam Date:
  
  Jan 23, 2026 / Jan 29, 2026
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UGMO
  
  Olympiad Preparation
  
  FAQs
  UGSO
  Unicus Global Science Olympiad (UGSO)
  
  Syllabus (Year 2025-26)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Sample Papers (Year 2025-26)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Exam Date:
  
  Jan 21, 2026 / Jan 28, 2026
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UGSO
  
  Olympiad Preparation
  
  FAQs
  UGEO
  Unicus Global English Olympiad (UGEO)
  
  Syllabus (Year 2025-26)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Sample Papers (Year 2025-26)
  
  Class KG
  
  Class 1
  
  Class 2
  
  Class 3
  
  Class 4
  
  Class 5
  
  Class 6
  
  Class 7
  
  Class 8
  
  Class 9
  
  Class 10
  
  Exam Date:
  
  Jan 16, 2026 / Jan 27, 2026
  
  Awards
  
  Marking Scheme
  
  How to Participate
  
  Ranking Criteria
  
  About UGEO
  
  Olympiad Preparation
  
  FAQs
UGKE Free
Exam Details
Results
Contact Us
Free Trial
Login/Sign-Up

Which planet is the smallest?

The smallest planet in our Solar System is Mercury.

It is smaller than all the other planets.
Mercury is very close to the Sun.
It is a rocky planet with many craters on its surface.

Examples:

Mercury is about the same size as the Moon, but it is a planet!
If you had a marble, Mercury would be like a tiny little pebble next to it.
Imagine how fast it goes around the Sun; it takes just 88 days to complete one trip!

Fun Fact: Even though Mercury is the smallest planet, it has a very special spot in our Solar System, being closest to the Sun!

More Links

Subscribe for Unicus International Olympiad Exams

70%