Mizoram is home to a variety of orchids and has a significant population of:

Wild orchids
Roses
Lotuses
Sunflowers

The correct answer is (a) Wild orchids.

Mizoram is a state in northeastern India. It is home to a variety of orchids, including the endangered Mizoram slipper orchid. The state also has a significant population of wild orchids, which are found in forests, grasslands, and other habitats.

Roses are a type of flowering plant that is native to Asia. They are popular ornamental plants and are used in a variety of products, including perfumes, cosmetics, and essential oils. Roses are not native to Mizoram and are not found in the wild there.

Lotuses are a type of aquatic plant that is native to Asia, Africa, and Australia. They are often used in religious ceremonies and are considered to be sacred in some cultures. Lotuses are not native to Mizoram and are not found in the wild there.

Sunflowers are a type of flowering plant that is native to North America. They are popular ornamental plants and are used in a variety of products, including seeds, oil, and medicine. Sunflowers are not native to Mizoram and are not found in the wild there.