In coriander, the useful parts are

The Correct answer is Leaves & dried fruits.

Explanation:

• As its name suggests the coriander seeds are dried fruits and leaves
• Coriander is the common name of Coriandrum sativum.
• Coriander is a heavily consumed herb plant.
• Herbs generally refer to the leafy green.
• Herbs are plants with savory or aromatic properties.
• They are used for flavoring and garnishing food, for
  medicinal purposes, or for fragrances.