HORTICULTURE

Detailed explanation-1: -The classic examples are poinsettia and bougainvillea. The colorful structures that have the appearance of flower petals are actually bracts, and the miniscule or insignificant flowers are tucked in their center. In many instances, the bracts are there to attract and guide pollinators to the small flowers.

Detailed explanation-2: -6: Showy bracts are brightly colored leaves modified to attract pollinators in Bougainvillea (left) and dogwood (right). Although bracts superficially look like petals, the actual petals are part of tiny flowers at the central point where the bracts meet.

Detailed explanation-3: -The petals of the flowers are colored structures and have a fragrance to attract pollinators for pollination. These are known as modified leaves of the plants, which smell sweet. Therefore, the correct answer is b. Petals.