21. Which of the following is a Ramsar site known for its mangrove forests?
a) Bhitarkanika Mangroves
b) Pichavaram Mangrove Forest
c) Sambhar Lake
d) Renuka Lake
22. Which state in India has the highest number of national parks with mangroves?
a) Tamil Nadu
b) Odisha
c) Kerala
d) Maharashtra
23. The Great Nicobar Biosphere Reserve is located in which state?
a) Andaman and Nicobar Islands
b) Tamil Nadu
c) Kerala
d) Karnataka
24. Which of the following is a critically endangered species found in the mangroves of Sundarbans?
a) Royal Bengal Tiger
b) Indian Elephant
c) Gharial
d) Olive Ridley Turtle
25. Which of the following is the smallest national park in India known for its mangroves?
a) Kaziranga National Park
b) Bhitarkanika National Park
c) Keibul Lamjao National Park
d) Sunderbans National Park
