Article Detail Which is the lightest metal ? Answer: Lithium Similar Questions : 1. What is the name of tallest Animal ? Answer: Giraffe 2. Which is the highest dam in India ? Answer: Tehri Dam on Bhagirathi River in Uttarakhand (Height of 260 metres) 3. Which is the longest wall in world ? Answer: Great wall of China 4. Which is the largest Zoo in the World ? Answer: Berlin Zoological Garden (Germany) 5. Which is the shortest day in the year ? Answer: December 22 6. Which is smallest and largest bird ? Answer: Smallest Bird is Humming Bird and Largest bird is Ostrich 7. Which is Longest Dam in India ? Answer: Hirakod Dam (Orissa) Read more from - Longest and Largest