Article Detail Which is the largest sea in the world ? Answer: Philippine Sea Similar Questions : 1. Which is Highest Gallantry Award in India ? Answer: Paramveer Chakra 2. Which is the longest River in the World ? Answer: Nile 3. Longest rail tunnel in the world ? Answer: Seikan Tunnel (Japan - 53.9 Km) 4. Which is smallest continent of world ? Answer: Australia 5. Which is the longest road in India ? Answer: Grand Trunk Road (2500 Km) 6. Which is Largest Dome in World ? Answer: St. Peter's Basilica (Rome) 7. What is the name of brightest star ? Answer: Sirius Read more from - Longest and Largest