Quiz on Planets
1. Which planet is the densest in the Solar System? a) Mercury b) Venus c) Earth d) Mars Answer: c) Earth [^1^][2] 2. Which planet has a comet-like tail because of its proximity to the Sun? a) Mercury b) Venus c) Earth d) Mars Answer: a) Mercury [^1^][2] 3. Which planet rotates in the opposite direction to the rotation of all the other planets? a) Mercury b) Venus c) Earth d) Mars Answer: b) Venus [^1^][2] 4. Which planet has more moons than any other planet in the Solar System? a) Jupiter b) Saturn c) Uranus d) Neptune Answer: b) Saturn [^1^][2] 5. Which planet has a solid core consisting of rocks and a lower layer of clouds made of water? a) Jupiter b) Saturn c) Uranus d) Neptune Answer: c) Uranus [^1^][2]
