Article Detail Which is longest tributary river of India ? Answer: Yamuna Similar Questions : 1. Which is the highest waterfall in the world ? Answer: Angel, Venezuela 2. What is the name of tallest Animal ? Answer: Giraffe 3. Which is the Largest lake of the world ? Answer: Caspian Sea (371,000 sq km) 4. Which is the largest gulf ? Answer: Gulf of Mexico 5. Which is biggest planet ? Answer: Jupiter 6. Which is the largest desert in India ? Answer: Thar (Rajasthan) 7. Which is Largest Dome in World ? Answer: St. Peter's Basilica (Rome) Read more from - Longest and Largest