1. Which planet is known as "Earth's twin" or "Earth's sister" ?   Mercury   Mars   Neptune   Venus   Hint Half-n-half Clue   2. Which planet has the most craters on its surface and greatly resembles the Moon ?   Mars   Mercury   Earth   Venus   Half-n-half Clue   3. Which planet is considered the twin of Uranus ?   Neptune   Pluto   Jupiter   Saturn   Half-n-half Clue   4. Which of the following is a Jovian (Jupiter-like) planet ?   Pluto   Neptune   Mars   Earth   Half-n-half Clue   5. Which planet has an orbit around the Sun whose angle is steeper than that of other planets ?   Uranus   Saturn   Neptune   Pluto   Half-n-half Clue   6. Which planet is most likely to support life after the Earth ?   Mercury   Jupiter   Mars   Venus   Half-n-half Clue   7. Which planet appears greenish in color and spins clockwise ?   Uranus   Pluto   Neptune   Saturn   Half-n-half Clue