The Silent Valley National Park is known for its:

Tigers
Rainforests
Elephants
Waterfalls Answer: b

The correct answer is: b) Rainforests.

Silent Valley National Park is a national park in the Western Ghats of Kerala, India. It is known for its tropical rainforests, which are home to a variety of plant and animal life. The park is also home to the endangered Nilgiri tahr, a type of mountain goat.

The other options are incorrect because:

  • Tigers are not found in Silent Valley National Park.
  • Elephants are found in Silent Valley National Park, but they are not the main attraction of the park.
  • Waterfalls are found in Silent Valley National Park, but they are not as well-known as the rainforests.