The correct answer is: a) Living root bridges.
Living root bridges are a unique feature of some forests in Meghalaya, India. They are formed when the roots of fig trees grow down from the branches and intertwine with each other to form a bridge. The bridges are used by people and animals to cross rivers and streams. They are also a popular tourist attraction.
Giant carnivorous plants are not found in Meghalaya. They are found in other parts of the world, such as North America, South America, and Australia. These plants have large, pitcher-like leaves that trap insects. The insects are then digested by the plant.
Bioluminescent fungi are not found in Meghalaya. They are found in other parts of the world, such as North America, Europe, and Asia. These fungi produce their own light, which is used to attract prey or to attract mates.
Tigers with wings are not found in Meghalaya. They are mythical creatures that are not found in any part of the world.