Arunachal Pradesh is home to several species of orchids, making it known as the:

The correct answer is: a) “Land of Orchids”.

Arunachal Pradesh is home to over 5,000 species of orchids, making it the “Land of Orchids”. The state has a diverse range of habitats, from the high Himalayas to the lowland rainforests, which provide a home for a wide variety of orchids. The state’s orchids are known for their beauty and diversity, and many of them are found nowhere else in the world.

The other options are incorrect because:

• Arunachal Pradesh is not known as the “Land of Rhododendrons”. The state is home to a number of rhododendron species, but it is not known for them as much as other states in the Himalayas, such as Sikkim and Bhutan.
• Arunachal Pradesh is not known as the “Land of Bamboos”. The state does have a number of bamboo species, but it is not known for them as much as other states in the Himalayas, such as Uttarakhand and Himachal Pradesh.
• Arunachal Pradesh is not known as the “Land of Spices”. The state does produce some spices, but it is not known for them as much as other states in India, such as Kerala and Karnataka.