Tree components (structural/biological order, root upward to reproductive): Arrange— a. Fruits, b. Roots, c. Trunks, d. Leaves, e. Flowers, f. Branches.

Introduction / Context:
Understanding tree structure helps in many reasoning problems. We move from underground support to trunk, to branching, to foliage, then to reproductive organs and products.

Given Data / Assumptions:

• Roots are foundational.
• Trunk supports branches.
• Branches carry leaves and flowers; fruits arise post-flowering.

Concept / Approach:
Order by structural containment and typical developmental flow.

Step-by-Step Solution:

Verification / Alternative check:
Fruits develop from flowers borne on branches; leaves are vegetative organs preceding fruit.

Why Other Options Are Wrong:
They place fruits or flowers before supporting structures.

Common Pitfalls:
Treating “trunk” and “branch” interchangeably.

Final Answer:
b, c, f, d, e, a